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Samsung SDI Co., Ltd.

Samsung SDI Co., Ltd. Patent applications
Patent application numberTitlePublished
20120129295METHOD OF MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - Disclosed herein is a photoelectric conversion device having a semiconductor substrate including a front side and back side, a protective layer formed on the front side of the semiconductor substrate, a first non-single crystalline semiconductor layer formed on the back side of the semiconductor substrate, a first conductive layer including a first impurity formed on a first portion of a back side of the first non-single crystalline semiconductor layer, and a second conductive layer including the first impurity and a second impurity formed on a second portion of the back side of the first non-single crystalline semiconductor layer.05-24-2012
20120129040BATTERY ARRAY AND BATTERY PACK HAVING THE SAME - A battery array is disclosed. In one embodiment, the battery array includes a plurality of batteries arranged in N rows and three columns, wherein N is a natural number of 2 or more, wherein three batteries in each row are connected in parallel so as to make one bundle, wherein the batteries are sequentially arranged to form N bundles, and wherein the polarities of electrodes of the batteries, when seen from the same side of the battery array, are alternately arranged from a first bundle in the first row to an N-th bundle in the N-th row. The battery array may further include i) a plurality of connection taps configured to sequentially connect in series the first bundle to the N-th bundle and ii) first and second polarity output terminals provided in the first bundle and the N-th bundle, respectively.05-24-2012
20120129027BATTERY PACK - The present invention relates to a battery pack and the battery pack includes: a plurality of secondary batteries; a core pack including a protection circuit module; and a battery case composed of first and second sub-cases for accommodating the core pack, in which fastening portions combining the first sub-case with the second sub-case are formed, and adhesive members and grooves receiving the adhesive members are formed at the fastening portions.05-24-2012
20120129013BATTERY PACK - A battery pack includes a plurality of bare cells electrically connected in series or parallel to one another, and a protection circuit module provided with a thermistor. In the battery pack, the protection circuit module is electrically connected to the bare cells, and the thermistor is provided to be parallel in the length direction of the protection circuit module between the bare cells and the protection circuit module so as to measure a variable resistance by sensing a temperature of the bare cells and to transfer the measured resistance as an electrical signal to the protection circuit module.05-24-2012
20120129012SECONDARY BATTERY - Provided is a secondary battery in which an insertion hole where an electrode terminal is insertable is defined in a center of a bottom case disposed under a can to connect batteries to each other in series. The secondary battery includes an electrode assembly including a positive electrode tab and a negative electrode tab, a can in which the electrode assembly is received, an insulation case inserted into a top opening of the can, the insulation case having a first hole and a second hole through which the positive electrode tab and the negative electrode tab pass, a protective circuit module disposed on the insulation case, the protective circuit module being electrically connected to the positive electrode tab and the negative electrode tab, and a cap assembly including a cap plate disposed on the protective circuit module to close the top opening of the can, the cap plate being electrically connected to the protective circuit module and an electrode terminal inserted into a through hole defined in the cap plate.05-24-2012
20120127682PROTECTIVE CIRCUIT MODULE - A protection circuit board is disclosed. The protection circuit board includes a main printed circuit board and an auxiliary printed circuit board. In the auxiliary printed circuit board, a thermistor is electrically interposed between an external electrode terminal and auxiliary electrodes.05-24-2012
20120126749BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack and a method of controlling the same are disclosed. According to some aspects, the battery pack includes at least one chargeable battery cell, and a charge control circuit that receives a control signal from an external source. The charge control circuit is configured to control charging of the battery cell according to the control signal. As a result, a charging operation may be stably performed.05-24-2012
20120121953BATTERY PACK WITH ASSEMBLED LIGHT EMITTING PORTION - A battery pack assembly comprises at least one light emitting device, a switch for operating the light emitting devices, a case, and a battery pack. The battery pack assembly includes a support portion, an elastic connection portion, a button and an observation portion. The support portion is fixed to an inside of the case. The elastic connection portion is extended from one side of the support portion. The button is formed at an end portion of the elastic connection portion. The observation portion is fixed between the support portion and the case, and is configured to allow light emitted from the light emitting devices to pass therethrough. In the battery pack assembly, the button is exposed through the button hole, and light passing through the observation portion is exposed through the observation holes.05-17-2012
20120121945PROTECTION CIRCUIT MODULE AND BATTERY PACK INCLUDING THE SAME - A protection circuit module which is welded to a connection tab and a PTC device without affecting a printed circuit board, and a battery pack including the same are provided. One embodiment of the present invention provides a battery pack having a bare cell and a protection circuit module electrically connected to the bare cell. The protection circuit module includes a printed circuit board, a connection tab positioned on a bottom surface of the printed circuit board, and a positive temperature coefficient (PTC) device electrically connected to the connection tab. The PTC device has a first lead coupled to a bottom surface of the connection tab, a PTC body electrically connected to the first lead, and a second lead electrically connected to the PTC body.05-17-2012
20120121942BATTERY PACK - A battery having a can containing an electrode assembly and an electrolyte and a cap assembly with a cap plate having an electrolyte injection unit, the cap plate is coupled to the can and an upper cover is coupled to the cap plate. The battery further includes a gas sensor located within the cap assembly to detect leakage of the electrolyte into the cap assembly and a protective circuit module mounted to the upper cover and electrically coupled to the gas sensor, the protective circuit module is adapted to stop a charge/discharge operation of the battery and discharge the battery upon receipt of a signal from the gas sensor indicating detection of leakage of the electrolyte into the cap assembly.05-17-2012
20120121939PROTECTION CIRCUIT MODULE INCLUDING THERMISTOR AND SECONDARY BATTERY PACK HAVING THE SAME - A secondary battery comprises a bare cell and a protection circuit module comprising a printed circuit board and a thermistor. The thermistor comprises: a supporting member comprising an elastic material; a temperature sensor formed on the supporting member; a terminal configured to couple to a printed circuit board; and a conductive portion formed on the supporting member, wherein the conductive portion is connected to the terminal and to the temperature sensor.05-17-2012
20120121938WATERPROOF BATTERY PACK - A battery pack for an electric bicycle is disclosed. In one embodiment, the battery pack includes i) a lower case having a top, a bottom and an interior space formed between the top and bottom and ii) a battery cell placed in the interior space of the lower case, wherein the battery cell has first and second surfaces opposing each other, and wherein the first surface of the battery cell is closer to the bottom of the lower case than the second surface of the battery cell. The battery pack may further include i) a protection circuit board mounted on the second surface of the battery cell and placed in the interior space of the lower case, ii) an upper case formed over the top of the lower case and iii) a separator case formed between the protection circuit board and the upper case.05-17-2012
20120121937BATTERY PACK - A battery pack is constructed with a plurality of bare cells having first and second electrodes, a protection circuit module having at least one through-holes, a first electrode lead electrically connecting the first electrodes and a second electrode lead electrically connecting the second electrodes, and a holder case having supports that support the bare cells. One end of each first and second electrode leads passes through the through-hole of the protection circuit module. The first and second electrode leads electrically connect the bare cells and balance the bare cells by transmitting at least one of voltage and current of the bare cells to the protection circuit module.05-17-2012
20120121936BATTERY PACK - A battery pack including a battery cell including an electrode assembly arranged within a can and an electrode terminal electrically connected to the electrode assembly, the can having an opening sealed by a cap plate, a top case attached to the battery cell at a top portion of the battery cell, the top case having an inner space and a protective circuit module including a protection circuit board arranged within said inner space of said top case and electrically connected to the electrode assembly, wherein the top case includes a top portion opposite from the electrode assembly and first and second pairs of opposed sides, the first pair of opposed sides having an edge, a portion of the edge has a recessed interference preventing portion, the recessed interference preventing portion corresponds to a location of a weld connecting an electrode tap to the electrode terminal.05-17-2012
20120120569BATTERY CASE - A battery case having an anti-reverse insertion locking device is provided. A locking device includes a latch, a first case and a knob. The latch has one end at which a fixing projection is formed and the other end at which an elastic portion is formed. The latch has a first coupling groove formed therein. In the latch, the first coupling groove is asymmetric with respect to a length or width direction thereof. The first case has first and second through-holes formed therein. In the first case, the fixing projection enters/exits the second through-hole. The knob has a first coupling projection formed thereon. In the knob, the first coupling projection is inserted into the first coupling groove by passing through the first through-hole. Accordingly, it is possible to a knob and a latch, which have a directional property, from being in a reserve or wrong direction in a manufacturing process.05-17-2012
20120118376SEALING MEMBER FOR PHOTOELECTRIC CONVERSION DEVICE, PHOTOELECTRIC CONVERSION DEVICE HAVING THE SAME AND METHOD OF PREPARING THE SAME - A sealing member, a photoelectric conversion device having the same, and a method of preparing the same are disclosed. In one aspect, the sealing member for the photoelectric conversion device joins a first substrate and a second substrate, which face each other, and seals an electrolyte solution in a space therebetween. An edge of the sealing member may include a rounded portion and a radius of a circle including the rounded portion is about 50% or more of the width of the sealing member. The sealing member may serve to reduce leakage of the electrolyte solution due to lowered adhesion of the sealing member or a wrinkled sealing member, and thus, improve reliability of the photoelectric conversion device.05-17-2012
20120115053FUEL CELL SYSTEM - A fuel cell system configured to prevent fuel cell freezing is disclosed. The fuel cell system includes a fuel cell, a reformer in fluid communication with the fuel cell, the reformer including a reactor and a heat feeding unit. A moisture supplying pipe is in fluid communication with the reformer and a reformer exhausting pipe is in fluid communication with the reformer. The reformer exhaust pipe is in fluid communication with the moisture supplying pipe and configured to pass high temperature gas discharged from the reformer exhaust pipe to the moisture supplying pipe. The fuel cell system may remove moisture in the fuel cell and may also prevent the moisture from freezing by using thermal energy generated during operation of the heat feeding unit.05-10-2012
20120115020BATTERY PACK - A battery includes an electrode assembly fabricated with a positive electrode, a separator, and a negative electrode, each perforated by corresponding through voids along both of their respective opposite edge margins, stacked one upon another with the corresponding holes aligned. An arrangement of guide portions integrally formed simultaneously together with a surrounding case, accommodates stacking of the electrode assembly during fabrication of the battery. Aspects of the guide portions extend along a direction of stacking of the positive electrodes, negative electrodes and separators. The case and the arrangement of guide portions improve the internal alignment and facilitates the stack ability of electrode assemblies formed by the stacking of positive electrodes, negative electrodes and separators, and enhances the operational stability of the battery and the output performance of the battery, without detracting from the overall compactness of the battery.05-10-2012
20120112542METHOD OF TRIMMING A SOLAR ENERGY ASSEMBLY - A method of electrically eliminating defective solar cell units that are disposed within an integrated solar cells module and a method of trimming an output voltage of the integrated solar cells module are provided, where the solar cells module has a large number (e.g., 50 or more) of solar cell units integrally disposed therein and initially connected in series one to the next. The method includes providing a corresponding plurality of repair pads, each integrally extending from a respective electrode layer of the solar cell units, and providing a bypass conductor integrated within the module and extending adjacent to the repair pads. Pad-to-pad spacings and pad-to-bypass spacings are such that pad-to-pad connecting bridges may be selectively created between adjacent ones of the repair pads and such that pad-to-bypass connecting bridges may be selectively created between the repair pads and the adjacently extending bypass conductor.05-10-2012
20120108001METHOD FOR MANUFACTURING SOLAR CELL - Disclosed are a relatively high-efficiency solar cell and a method for fabricating the same using a micro-heater array. The solar cell may include first and second micro-heaters intersecting each other or being parallel to each other on a substrate, and a plurality of In05-03-2012
20120107693NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material:05-03-2012
20120107691POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - A positive active material for a lithium secondary battery comprises a core comprising a compound that can reversibly intercalate and deintercalate lithium; and a compound attached to the surface of the core and represented by Chemical Formula 1:05-03-2012
20120107687POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1.05-03-2012
20120107676RECHARGEABLE BATTERY - A rechargeable battery improving safety by discharging a gas when swelling occurs. The rechargeable battery includes an electrode assembly having a first electrode plate and a second electrode plate arranged at opposite sides of a separator, a pouch to accommodate the electrode assembly, the pouch having a plurality of inner sides, a first tab connected to the first electrode plate and a second tab connected to the second electrode plate, the first tab and the second tab extending to an outside of the pouch and a safety device arranged within the pouch and including a bonding member bonded to one of the inner sides of the pouch, a fin member including a tip facing and being spaced-apart from one of the inner sides of the pouch, and a linking member in connecting the fin member to the bonding member.05-03-2012
20120107667RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator interposed between the positive and negative electrodes and including a ceramic material having a first metal oxide-containing core and a second metal oxide shell disposed on the surface of the core.05-03-2012
20120107655SECONDARY BATTERY - A secondary battery comprises: a plurality of cylindrical electrode assemblies, wherein each electrode assembly comprises a positive electrode plate and a negative electrode plate rolled together with a separator interposed between the positive electrode plate and the negative electrode plate; a can housing the plurality of electrode assemblies; a cap assembly sealing the can; a positive electrode tab coupled to the positive electrode plate in each electrode assembly; and a negative electrode tab coupled to the negative electrode plate in each electrode assembly, wherein a first plurality of positive electrode tabs is aligned along a first line when viewed in one direction, and wherein a first plurality of negative electrode tabs is aligned along a second line when viewed in the one direction.05-03-2012
20120107648LEAD PLATE WITH A MOUNTING PORTION BEING HEAVIER THAN ITS JOINT PORTION - A lead plate for connecting a printed circuit board (PCB) of a secondary battery to an bare cell includes a mounting portion connected to the PCB, a joint portion connected to the bare cell, a surface area of the joint portion facing the bare cell being smaller than a surface area of the mounting portion facing the PCB, and a step portion connecting the mounting portion and the joint portion to each other.05-03-2012
20120104334POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - A positive active material for a lithium secondary battery comprises a core comprising a compound that can reversibly intercalate and deintercalate lithium; and a compound attached to the surface of the core and represented by Chemical Formula 1:05-03-2012
20120103405SOLAR CELL - Disclosed are a relatively high-efficiency solar cell and a method for fabricating the same using a micro-heater array. The solar cell may include first and second micro-heaters intersecting each other or being parallel to each other on a substrate, and a plurality of In05-03-2012
20120094427METHOD FOR MANUFACTURING A SOLAR CELL - A method for manufacturing a solar cell comprises disposing a first doping layer on a substrate, forming a first doping layer pattern by patterning the first doping layer to expose a portion of the substrate, disposing a second doping layer on the first doping layer pattern to cover the exposed portion of the substrate, diffusing an impurity from the first doping layer pattern which forms a first doping region in a surface of the substrate, and diffusing an impurity from the second doping layer which forms a second doping region in the surface of the substrate, wherein the forming of the first doping layer pattern uses an etching paste.04-19-2012
20120094426METHOD FOR MANUFACTURING A SOLAR CELL - A method for manufacturing a solar cell comprises disposing a first doping layer on a substrate, forming a first doping layer pattern by patterning the first doping layer to expose a portion of the substrate, disposing a second doping layer on the first doping layer pattern to cover the exposed portion of the substrate, diffusing an impurity from the first doping layer pattern which forms a first doping region in a surface of the substrate, and diffusing an impurity from the second doping layer which forms a second doping region in the surface of the substrate, wherein the forming of the first doping layer pattern uses an etching paste.04-19-2012
20120094424GAS INJECTION DEVICE AND SOLAR CELL MANUFACTURING METHOD USING THE SAME - A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline.04-19-2012
20120094186SOLID ELECTROLYTE, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY COMPRISING SOLID ELECTROLYTE AND SOLID ELECTROLYTE PARTICLES - Disclosed is a solid electrolyte including particles comprising Li04-19-2012
20120094180ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles.04-19-2012
20120094175NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface.04-19-2012
20120094169SECONDARY BATTERY - Disclosed is a secondary battery. The secondary battery includes an electrode assembly including a first plate, a second plate, and a separator disposed between the first and second plates, a battery case accommodating the electrode assembly and an electrolyte, a cap assembly sealing an opening formed on one side of the battery case, and a gasket disposed between the cap assembly and the battery case. The battery case includes a crimping part formed on an upper portion of the battery case, and the crimping part is disposed on the gasket. A ratio of a second thickness of the gasket to a first thickness of the gasket is greater than 1.8 and is less than 4.8. The first thickness is a length between an internal surface of the battery case and an outermost edge of the cap assembly, and the second thickness is a length between the internal surface of the battery case and an outermost tip of the crimping part.04-19-2012
20120094160RECHARGEABLE BATTERY AND MANUFACTURING METHOD OF THE SAME - A rechargeable battery having an electrode assembly formed by depositing/spiral-winding an positive electrode and a negative electrode on respective surfaces of a separator; a can including a pipe having a side seam portion to enclose the electrode assembly and a bottom plate bonded to a first opening of the pipe by a bottom seam portion to close and seal the first opening and facing an end portion of the electrode assembly; and a cap assembly bonded to a second opening of the pipe formed at the other side of the bottom plate to close and seal the second opening.04-19-2012
20120094151BATTERY MANAGEMENT SYSTEM AND METHOD THEREOF, AND POWER STORAGE APPARATUS USING THE SAME - A battery management system is disclosed. The system includes a variable discharge resistor and a temperature measuring unit to measure the temperature of the discharge resistor. The resistance of the discharge resistor is modified based at least in part on the measured temperature.04-19-2012
20120089261GRID CONNECTED POWER STORAGE SYSTEM AND INTEGRATION CONTROLLER THEREOF - A grid connected power storage system is disclosed. According to some aspects, an integration controller controlling a grid-connected power storage system may include a controller configured to change parallel data to be transmitted to a plurality of external devices to serial bit streams, change serial bit streams received from the plurality of external devices to parallel data, and output a path control signal that instructs a communication path of the serial bit streams. According to some aspects, a communication unit configured to change a communication path and a ground path of the serial bit streams according to the path control signal, and transmit and/or receive the serial bit streams through the changed communication path is provided. A number of isolators and interfaces for data communication with a plurality of external devices is reduced such that the structure of an integration controller may be simplified, and the size and production cost of the integration controller can be reduced.04-12-2012
20120088132BATTERY UNIT AND BATTERY MODULE - A battery unit and a battery module including a stack of a plurality of the battery units. The battery unit includes: a battery cell including electrode terminals; and a case for housing the battery cell, wherein the case includes: a spacer that is disposed on facing portions of an edge of the case and protrudes in a thickness direction of the case, an inlet guide portion for guiding air for cooling the battery cell, and an outlet guide portion for guiding air to be discharged toward the electrode terminals.04-12-2012
20120088126BATTERY ASSEMBLY - A battery assembly comprises: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate; a case for accommodating the electrode assembly; and an alignment member for aligning the case, wherein a depressed portion is formed on at least one side of the case, corresponding to the alignment member.04-12-2012
20120086404APPARATUS AND METHOD OF CONTROLLING HIGH CURRENT AND POWER STORAGE APPARATUS USING THE SAME - A high current control apparatus is disclosed. The high current control apparatus receives a switching control signal from a battery management system, and controls a main switch of a battery with a second control signal according to the switching control signal. The second control signal is generated with a switching unit which is electromagnetically coupled to a switch control unit which receives the switching control signal from the battery management system.04-12-2012
20120086399BATTERY PACK, METHOD OF CONTROLLING THE SAME, AND ENERGY STORAGE SYSTEM INCLUDING THE BATTERY PACK - A battery pack, a method of controlling the same, and an energy storage system including the battery pack are disclosed. According to some aspects, the method may include calculating charge capacities of the battery cells, obtaining a first average value, which is an average value of the calculated charge capacities, establishing a first standard value for selecting an abnormal battery cell based on the first average value and determining a first battery cell having the lowest charge capacity from among battery cells having charge capacities greater than the first standard value. A second standard value for selecting a battery cell that is to be discharged during a cell balancing operation may be established. A cell balancing operation with respect to battery cells having charge capacities greater than the second standard value may then be performed. Accordingly, a cell balancing operation may be effectively performed in order to efficiently manage a battery pack.04-12-2012
20120082891SECONDARY BATTERY - Disclosed are a secondary battery including an electrode assembly which includes a first electrode plate and a second electrode plate arranged as a stack, and a separator interposed between the first electrode plate and the second electrode plate, the first electrode plate including a first active material coating part formed by coating a base with a first active material and a first non-coating part, the second electrode plate including the second active material coating part formed by coating a base with a second active material and a second non-coating part, and the first non-coating part including an insulating member in a portion corresponding to the second electrode plate.04-05-2012
20120077071POUCH-TYPE SECONDARY BATTERY - A pouch-type secondary battery including: an electrode assembly comprising a positive electrode plate, a negative electrode plate and a separator; a negative electrode tab electrically connected to the negative electrode plate and having a first tab tape; and a positive electrode tab electrically connected to the positive electrode plate and having a second tab tape wherein one or two of end portions which the positive electrode tab crosses are located inside a sealing portion.03-29-2012
20120071611POLYBENZOXAZINE-BASED COMPOUND, ELECTROLYTE MEMBRANE INCLUDING THE SAME, AND FUEL CELL EMPLOYING THE ELECTROLYTE MEMBRANE - A crosslinked object of a polybenzoxazine-based compound formed of a polymerized resultant of a first monofunctional benzoxazine-based monomer or a second multifunctional benzoxazine-based monomer with a crosslinkable compound, an electrolyte membrane including the crosslinked object, a method of preparing the electrolyte membrane, and a fuel cell employing the electrolyte membrane including the crosslinked object.03-22-2012
20120070765POLYBENZOXAZINE-BASED COMPOUND, ELECTROLYTE MEMBRANE INCLUDING THE SAME, AND FUEL CELL EMPLOYING THE ELECTROLYTE MEMBRANE - A method of preparing an electrolyte membrane comprising a crosslinked object of a polybenzoxazine-based compound formed of a polymerized resultant product of a first monofunctional benzoxazine-based monomer or a second benzoxazine-based monomer multifunctional benzoxazine-based monomer with a crosslinkable compound.03-22-2012
20120070745NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1.03-22-2012
20120070743POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material and a method of preparing a positive active material, and a lithium battery including the positive active material. In one embodiment, the positive active material includes single particles each being represented by Formula 1:03-22-2012
20120070704LITHIUM RECHARGEABLE BATTERY - A lithium rechargeable battery includes an insulation case positioned on top of an electrode assembly where the insulation case has least one hole to improve the stability of the battery by evacuating gas that may be generated by the electrode assembly.03-22-2012
20120070698BATTERY PACK - A battery pack includes a bare cell sealed by a cap plate, a circuit board disposed on the cap plate, a cover coupled to the cap plate, and a size control unit formed between the upper cover and the circuit board.03-22-2012
20120068545ENERGY STORAGE SYSTEM - An energy storage system includes a plurality of battery units; a plurality of thermistors detecting a temperature of the plurality of battery units; a multiplexer performing multiplexing on the plurality of thermistors, and connecting a thermistor selected from among the plurality of thermistors to a reference resistor; a power switch unit arranged between the reference resistor and a power voltage terminal; and a control signal input unit receiving a control signal applied to the multiplexer and the power switch unit, and receiving two or more control bits contained in the control signal. In the energy storage system, a temperature measurement operation is performed at a plurality of measurement positions, whereby a current state of a battery may be accurately detected, an entire circuit may be reduced and simplified, and low power consumption may be realized.03-22-2012
20120064411POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material, a method of preparing the same, and a lithium secondary battery including the positive active material.03-15-2012
20120064410POSITIVE ELECTRODE PLATE, METHOD OF MANUFACTURING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE PLATE - A positive electrode plate, a method of manufacturing the same, and a lithium battery including the positive electrode plate are disclosed. The positive electrode plate comprises particles of a nickel-based composite oxide represented by Formula 1, wherein the particles have an average particle diameter D03-15-2012
20120064405POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m03-15-2012
20120064398POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is rechargeable lithium battery that includes a positive electrode including a positive active material layer, a negative electrode including a negative active material and an electrolyte wherein the positive active material layer includes a positive active material, a binder, a conductive material, and an activated carbon, the activated carbon includes micropores in which manganese ions are adsorbed and trapped, and the activated carbon is included in an amount of about 0.1 wt % to about 3 wt % based on the total weight of the positive active material layer.03-15-2012
20120064377BATTERY PACK - A battery pack is described. In one aspect it can securely connect a connecting tab extending from a protective circuit board and a sensing tab drawn out from a sensing terminal of each battery cell using a connection hook extending from a case. According to some embodiments, the battery pack may include a plurality of battery cells connected in series with respect to at least one sensing terminal arranged from a first large current terminal to a second large current terminal, a sensing terminal circuit including a sensing tab having a first throughhole formed inward and drawn out from the sensing terminal. a protective circuit module including a connecting tab having a second throughhole corresponding to the first throughhole formed inward and overlapping and electrically connected to the sensing tab. and a battery case for receiving the plurality of battery cells, the sensing terminal circuit and the protective circuit module.03-15-2012
20120064376BATTERY PACK - A pouch-type battery pack that includes a bare cell, a protection circuit module and a top case. The bare cell has a plurality of electrode leads extending to the exterior of the bare cell. The protection circuit module is provided with electrode terminals that come in contact with the electrode leads, respectively. The top case is coupled to the bare cell while surrounding the protection circuit module.03-15-2012
20120058387ELECTRODE ASSEMBLY HAVING BENDING PORTIONS AND SECONDARY BATTERY INCLUDING THE SAME - A secondary battery having positive and negative electrode plates inserted into the interior of a pouch, and positive and negative electrode active material layers respectively coated on the positive and negative electrode plates are arranged at a constant interval. Bending portions are provided to bend positive and negative electrode non-coating portions respectively not coated with the positive and negative electrode active material layers.03-08-2012
20120058372BATTERY PACK - A battery cell for identifying a state of battery cell. The battery pack includes: a battery cell; a switch contact unit electrically connected to the battery cell; a switch unit comprising a viscoelastic unit disposed to face the switch contact unit and contacting the switch contact unit so as to generate an on-signal for displaying a state of the battery cell; and a display unit for displaying the state of the battery cell.03-08-2012
20120056586SECONDARY BATTERY PACK - A secondary battery pack is described that is rechargeable and has a large capacity. The secondary pack has multiple battery units and at least one controller. Each battery unit of the battery pack includes a cell unit and a cell balancing system. In one embodiment, the cell balancing system has at least three detachable connections for connecting the cell balancing system to the cell unit, the controller or to other cell balancing units. The connections allow the cell balancing systems to be detached from the battery units and reused.03-08-2012
20120045711SOLID ACID, POLYMER ELECTROLYTE MEMBRANE INCLUDING THE SAME, AND FUEL CELL USING THE POLYMER ELECTROLYTE MEMBRANE - A solid acid having a core of calixarene or calix resorcinarene. The solid acid is an ion conducting compound in which at least one of the hydroxyl groups is substituted by an organic group having a cation exchange group at a terminal end, a polymer electrolyte membrane including the same, and a fuel cell using the polymer electrolyte membrane. The polymer electrolyte membrane can provide low methanol crossover and high ionic conductivity. Accordingly, a fuel cell having high efficiency can be obtained by using the polymer electrolyte membrane.02-23-2012
20120045697ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are an electrolyte for a rechargeable lithium battery that includes a lithium salt, a non-aqueous organic solvent, and an additive including a triazine-based compound represented by the following Chemical Formula 1 and fluoroethyl carbonate, and a rechargeable lithium battery including the electrolyte.02-23-2012
20120045677APPARATUS FOR CHARGING AND DISCHARGING - An apparatus for charging and discharging includes a support portion, first and second racks, first and second vertical partition walls and a pinion. The support portion supports a secondary battery. The first and second racks are moved in a horizontal direction. The plurality of first vertical partition walls are fixed to the first rack at a constant interval. The plurality of second vertical partition walls are provided between the respective first vertical partition walls and fixed to the second rack at a constant interval. The pinion moves the first and second racks in the opposite directions. Accordingly, a charging and discharging operation, a high-temperature aging operation, and the like are performed in a formation process while limiting the expansion of a battery can through a simple operation regardless of differences for each manufacturer and for each model, thereby saving time and, cost.02-23-2012
20120045674JELLY ROLL AND ELECTRODE ASSEMBLY HAVING THE SAME - Embodiments of the present invention facilitate a winding process and enable auxiliary current collectors to be securely fixed to a main current collector, thereby minimizing deformation during battery charging and discharging and maintaining sufficient strength. The jelly roll includes a first auxiliary current collector, a second auxiliary current collector, a mandrel insulating layer, and an electrode plate. The first auxiliary current collector and the second auxiliary current collector are spaced apart from each other and each has a mandrel protrusion on an opposite end portion. The mandrel insulating layer insulates the auxiliary current collectors from each other and insulates the auxiliary current collectors from an exterior. The electrode plate is formed by layering a separator, a first electrode plate, a separator and a second electrode plate and is wound on an external surface of the mandrel insulating layer.02-23-2012
20120045666BATTERY PACK - A battery pack having a holder case capable of preventing short-circuit between a cap plate and an electric terminal, instead of a washer, thereby increasing a coupling force between the holder case and a bare cell while minimizing the volume of the battery pack. The battery pack includes a bare cell including an electrode assembly, a can accommodating the electrode assembly, and a cap assembly for finishing an upper opening of the can, a holder case including a bottom portion covering one side surface of the bare cell, first and second support portions formed at first and second sides of the bottom portion, and an insulating portion fixed while covering a portion of a cap plate forming the cap assembly, a protection circuit module coupled to an upper portion of the holder case, and a cover case fixed to one side surface of the bare cell while covering the holder case and the protection circuit module.02-23-2012
20120045665BATTERY PACK - The embodiment relates to a battery pack having improved durability and safety by forming fixing ribs in a holder case mounted on a plurality of battery cells to fix the battery cells and a lead wire in implementing the battery pack. A battery pack according to the present invention includes: a plurality of battery cells electrically connected by connection tabs; a holder case covering a portion of the outer surfaces of the battery cells; a protection circuit module mounted on the holder case; and a lead wire connecting the protection circuit module with the battery cells, in which the holder case has at least one fixing rib that fixes the battery cells and guides the lead wire.02-23-2012
20120044234PLASMA DISPLAY DEVICE AND DRIVING APPARATUS THEREOF - In a plasma display device, a secondary coil of a transformer is connected across a panel capacitor formed by a scan electrode and a sustain electrode performing a sustain discharge. The plasma display device uses resonance between a secondary coil of a transformer and a panel capacitor to apply a sustain discharge pulse to a scan electrode and a sustain electrode in a sustain period.02-23-2012
20120043939CHARGER AND DISCHARGER FOR SECONDARY BATTERY - A charger and discharger for a secondary battery includes a secondary battery coupled to an output stage of the charger and discharger, a first converter circuit including a first pulse voltage generator that outputs a first pulse voltage according to a first duty ratio, and a first inductor that outputs a first current in proportion to a value of an integral of the outputted first pulse voltage with respect to time to a positive electrode terminal of the secondary battery, a second converter circuit including a second pulse voltage generator that outputs a second pulse voltage according to a second duty ratio, and a second inductor that outputs a second current in proportion to a value of an integral of the outputted second pulse voltage with respect to time to a negative electrode terminal of the secondary battery, and first and second controllers controlling the duty ratios of the first and second pulse voltage generators, respectively.02-23-2012
20120043408APPARATUS FOR CORRECTING BELT-MEANDERING FOR SECONDARY BATTERY - An apparatus of correcting belt-meandering for a secondary battery is disclosed. In one embodiment, the apparatus includes i) upper and lower rollers configured to receive a base material therebetween, wherein the base material comprises positive and negative electrode materials and an insulating material interposed between the electrode materials and ii) a driver portion configured to rotate the upper and lower rollers such that the base material is transferred in a first direction during the rotation. The apparatus may also include i) a support portion configured to support shafts of the driver portion and the upper and lower rollers and ii) a transverse moving mechanism configured to move the support portion in a second direction substantially perpendicular to the first direction.02-23-2012
20120040275Fuel Cell Module and Manufacturing Method Thereof - A fuel cell module includes at least one unit cell formed by sequentially stacking a first electrode current collector, a first electrode layer, an electrolyte layer, a second electrode layer and a second electrode current collector. At least one of the first and second electrode current collectors is connected to an anti-oxidation unit positioned at the exterior of the unit cell. The anti-oxidation unit includes a metal material having a higher ionization tendency than the at least one of the first and second electrode current collectors, connected to the anti-oxidation unit. Accordingly, as an anti-oxidation unit is provided to the fuel cell module in consideration of the reactivity difference between metals, the fuel cell module is designed by substituting a low-priced current collector for a high-priced current collector, so that the degree of freedom of the design of the fuel cell module is increased and manufacturing cost is decreased.02-16-2012
20120037846POSITIVE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING THE SAME - A positive active material including a lithium composite oxide and a transition metal oxide including a transition metal having an oxidation number smaller than an oxidation number when the transition metal is in the most stable state hinders generation of oxygen occurring during charging and provides a lithium battery with high-temperature preservation characteristics and high stability.02-16-2012
20120034549SEPARATOR FOR FUEL CELL, AND FUEL CELL SYSTEM INCLUDING SAME - A fuel cell separator and a fuel cell system including the same. The separator includes a main body including a plurality of cell barriers and a flow channel disposed between the cell bathers, and a hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel of the main body. The hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel has a contact angle less than a contact angle of a side surface of at least one of the cell barriers by approximately 10° to approximately 60°.02-09-2012
20120034523NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material may include a metal oxide in an amount of about 20 wt % or more, and has a specific surface area of about 500 m02-09-2012
20120034514BATTERY PACK - A battery pack having excellent assembling efficiency and strength against drop impact. The battery pack includes: an electrode assembly; a case that has a space accommodating the electrode assembly and includes a wing portion having a plurality of through-holes in at least one direction of the outer circumference; and a frame that includes a frame body disposed to encompass the outer circumference of the case and a frame coupling unit integrally formed with the frame body and coupling the case to the frame body via the through-holes.02-09-2012
20120034513SECONDARY BATTERY - A secondary battery is disclosed. In one embodiment, the battery includes i) an electrode assembly and ii) first and second electrode tabs spaced apart from each other and extending from the electrode assembly, wherein the first and second electrode tabs have first and second outer surfaces, respectively. The battery may further include i) an electrolyte, ii) a movement prevention tape attached to at least a portion of at least one of the first and second outer surfaces, wherein at least part of the movement prevention tape is configured to become adhesive upon contacting the electrolyte and iii) a can accommodating the electrode assembly, electrode tabs and movement prevention tape.02-09-2012
20120034495BATTERY PACK - A battery pack comprises a battery cell, a circuit module electrically connected to the battery cell, a first case covering one side of the battery cell, a second case covering an opposite side of the battery cell and one side of the circuit module, wherein the second case is coupled to the first case, and a third case covering an opposite side of the circuit module, wherein the third case is coupled to the first case and the second case.02-09-2012
20120034380VACUUM CHAMBER SYSTEM OF COATING APPARATUS AND COATING METHOD USING THE SAME - There are provided a vacuum chamber system of a coating apparatus and a coating method using the same that prevents the attraction phenomenon of a coating solution in intermittent coating, so that the failure rate of coating is reduced, thereby improving the quality of products. In one embodiment, a vacuum chamber system of a coating apparatus includes a vacuum chamber connected to a coating solution outlet of the coating apparatus. A sound pressure generating unit is connected to one region of the vacuum chamber to generate sound pressure. A buffer tank is provided between the vacuum chamber and the sound pressure generating unit. In the vacuum chamber system, a control unit is further provided between the vacuum chamber and the buffer tank. The control unit controls air to be selectively inhaled or blocked from the vacuum chamber and the sound pressure generating unit.02-09-2012
20120032936PLASMA DISPLAY AND DRIVING APPARATUS THEREOF - A plasma display is disclosed. In the plasma display, a first transistor for applying a low level voltage of a sustain pulse is connected to a high voltage terminal of a scanning circuit and a second transistor for applying a high level voltage of the sustain pulse is connected to a low voltage terminal of the scanning circuit. The first and the second transistors are alternatively turned on during sustain period, and the sustain pulse is applied to the scan electrode.02-09-2012
20120032646BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack, and a method of controlling the battery pack are disclosed. The battery pack detects consumption current when a load is not turned on, and shuts off power when a load is turned off or in stand-by mode, thereby preventing consumption current of the load from flowing.02-09-2012
20120032641BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack and a method of controlling the same is disclosed. The battery pack determines a cell deviation after the battery pack is fully charged or over-discharged, and thus the battery pack can reduce the cell deviation by performing cell balancing.02-09-2012
20120032639BATTERY PACK, CHARGER, AND CHARGING SYSTEM - A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged.02-09-2012
20120029744ELECTRIC VEHICLE AND METHOD OF CONTROLLING THE SAME - An electric vehicle and a method of controlling the electric vehicle are disclosed. In one embodiment, the electric vehicle includes i) a battery configured to provide electric energy to the motor, ii) a remaining energy-amount detector configured to detect a remaining energy-amount of the battery and iii) a manipulation unit configured to receive target information from a user. The vehicle also includes a guide information generator configured to generate driving guide information based at least in part on the remaining energy-amount of the battery and the target information and a display unit configured to display the driving guide information.02-02-2012
20120023739METHOD OF MANUFACTURING SECONDARY BATTERY - A secondary battery and a method of manufacturing the same are disclosed. In one embodiment, the secondary battery includes an electrode assembly including an external surface, an electrolyte, a sealing tape including an adhesive layer attached to at least portion of an outer surface of the electrode assembly and contacting the external surface of the electrode assembly and a base sheet disposed on an adhesive layer and formed of a material having directionality, and a can receiving the electrode assembly, the electrolyte, and the sealing tape, wherein the base sheet loses directionality and is shrunk and deformed in shape by contact with the electrolyte, and at least portion of the base sheet contacts an inner surface of the can to prevent the electrode assembly from being freely moved within the can.02-02-2012
20120021338METHOD FOR PREPARING METAL CATALYST AND ELECTRODE - A method for preparing a metal catalyst includes a proton conductive material coating layer formed on the surface of a conductive material. Also, an electrode may be prepared using the metal catalyst. The method for preparing the metal catalyst comprises mixing the conductive catalyst material, the proton conductive material, and a first solvent, casting the mixture onto a supporting layer and drying the mixture to form a conductive catalyst containing film. The method further comprises separating the conductive catalyst containing film from the supporting layer and pulverizing the conductive catalyst containing film to obtain the metal catalyst. The method for preparing the electrode comprises mixing the metal catalyst with a hydrophobic binder and a second solvent, coating the mixture on an electrode support, and drying it.01-26-2012
20120021287POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING THE SAME - Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a first active material represented by Formula 1: Li01-26-2012
20120021284POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING THE SAME - Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 Li01-26-2012
20120021255BATTERY PACK AND METHOD FOR CONTROLLING OF CHARGING AND DISCHARGING OF THE SAME - A battery pack capable of safely control charging and discharging and a method of controlling this charging and discharging. The battery pack includes a battery assembly at least one battery cell, a protective circuit board electrically connected to the battery assembly, and an outer terminal electrically connecting the battery assembly to an external power supply or an external load. The protective circuit board includes a charging and discharging device charging and discharging the battery assembly, a temperature device measuring the temperature of the battery assembly; and a charging and discharging controller electrically connected to the battery assembly, the charging and discharging device, and the temperature device and controlling the charging and discharging of the battery assembly. The temperature device is set to measure the temperature of the battery assembly in the state in which the charging and discharging of the battery assembly stops.01-26-2012
20120015276SOLID OXIDE FUEL CELL AND FUEL CELL STACK - A solid oxide fuel cell including a unit cell formed into a structure in which a first electrode, an electrolytic layer and a second electrode are sequentially stacked is disclosed. The unit cell of solid oxide fuel cell may include a plurality of contact grooves formed on an outer circumferential surface of the second electrode and may include current collectors respectively mounted on and in surface contact with the contact grooves of the second electrode. The current collectors may be symmetrically arranged with respect to the center axis of the unit cell. Current collection efficiency may thus be enhanced. Further, current collectors may be shared by adjacent unit cells, so that it is possible to manufacture a stack with excellent economical efficiency.01-19-2012
20120015275SOLID OXIDE FUEL CELL AND FUEL CELL STACK - A solid oxide fuel cell and a fuel cell stack are disclosed. The fuel cell stack may include a current collector electrically connected to inner and outer circumferential surfaces of a unit cell and a cap structure. The connection process between the current collector and the unit cell may be easily performed. As an external current collecting portion may be formed to surround the outer circumferential surface of the unit cell. Unit cells may be coupled to manifolds and electrically connected to one another.01-19-2012
20120015261FUEL CELL SYSTEM AND STACK THEREOF - A fuel cell system having improved driving performance is disclosed. The fuel cell system includes a stack, which may include a membrane electrode assembly, a separator and end plates provided on the both sides of the stacked membrane electrode assembly and the separator. The membrane electrode assembly may include an anode electrode, a cathode electrode, and an electrolyte membrane. The separator may be positioned with respect to the anode electrode and the cathode electrode, respectively. The end plate may include an oxidant inlet configured to supply oxidant to the cathode electrode, an unreacted oxidant outlet configured to output the unreacted oxidant from the cathode electrode, and a absorption member in fluid communication between the oxidant inlet and the unreacted oxidant outlet.01-19-2012
20120015252POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5±2°, 21±2°, 38±2°, and 64±2° 2-theta (2θ) and represented by Formula 1: Li01-19-2012
20120015248POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material, a method of preparing the same, and a lithium battery including the same.01-19-2012
20120015244ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY USING THE SAME - An electrode assembly comprises a first electrode including a first electrode current collector and a first electrode active material layer, a second electrode including a second electrode current collector and a second electrode active material layer, a separator disposed between the first electrode and the second electrode, and an electrode absorbing member in contact with the first electrode.01-19-2012
20120015237SECONDARY BATTERY - An Example relates to a secondary battery including an electrode assembly and an electrolyte contained in a can. The electrode assembly includes an anode plate, a cathode plate and a separator. The electrolyte contains an organic solvent and a lithium salt at a concentration of about 0.5 M to about 1 M in the organic solvent.01-19-2012
20120015215RECHARGEABLE BATTERY PACK AND MANUFACTURING METHOD OF THE SAME - A rechargeable battery pack comprises a cell pack comprising unit cells formed with rechargeable batteries; a protection circuit module; a temperature sensor attached to a unit cell having the fastest speed of temperature increase among the unit cells, and connected to the protection circuit module. A method includes a classifying step including selecting unit cells within a predetermined range of voltage-current characteristic and classifying the unit cells by a speed of temperature increase; a cell packing step connecting the unit cells, disposing a unit cell having the fastest speed of temperature increase to a position where a temperature sensor is connected and then connecting the classified unit cells to form a cell pack; a connecting step for installing a protection circuit module to a position where the temperature sensor is connected and then connecting the temperature sensor with the unit cell and the protection circuit module with the temperature sensor.01-19-2012
20120013051POROUS ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND ANODE AND LITHIUM BATTERY EMPLOYING THE SAME - Provided are a porous anode active material, a method of preparing the same, and an anode and a lithium battery employing the same. The porous anode active material includes fine particles of metallic substance capable of forming a lithium alloy; a crystalline carboneous substance; and a porous carboneous material coating and attaching to the fine particles of metallic substance and the crystalline carboneous substance, the porous anode active material having pores exhibiting a bimodal size distribution with two pore diameter peaks as measured by a Barrett-Joyner-Halenda (BJH) pore size distribution from a nitrogen adsorption. The porous anode active material has the pores having a bimodal size distribution, and thus may efficiently remove a stress occurring due to a difference of expansion between a carboneous material and a metallic active material during charging and discharging. Further, the anode electrode and the lithium battery comprising the anode active material have excellent charge/discharge characteristics.01-19-2012
20120012150Photoelectric Conversion Module - A photoelectric conversion module including an island type connecting member. A photoelectric conversion module includes: a first substrate and a second substrate, which are disposed to face each other; a sealing member disposed between the first and second substrates, and defining a plurality of photoelectric cells performing photoelectric conversion; and an island type connecting member connecting neighboring photoelectric cells from among the plurality of photoelectric cells.01-19-2012
20120012149DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell is disclosed. The dye-sensitized solar cell may include a first substrate and a second substrate positioned to face each other and a plurality of unit cells arranged between the first substrate and the second substrate. Each of the unit cells may include first and second conductive transparent electrodes formed on internal surfaces of the first substrate and the second substrate, respectively. The dye-sensitized solar cell may include a first electrode formed on the first conductive transparent electrode and including an oxide semiconductor layer in which a dye is absorbed and a second electrode positioned on the second conductive transparent electrode opposite to the first electrode. The dye-sensitized solar cell may also include an electrolyte disposed between the first electrode and the second electrode. The second electrode may include an opening.01-19-2012
20120009476NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY USING THE NICKEL-BASED POSITIVE ELECTRODE ACTIVE MATERIAL - A nickel (Ni)-based positive electrode active material, a method of preparing the same, and a lithium battery using the Ni-based positive electrode active material.01-12-2012
20120009473NEGATIVE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY - Disclosed are a negative active material for a secondary lithium battery and a secondary lithium battery including the same. The negative active material for a secondary lithium battery includes an amorphous silicon-based compound represented by the following Chemical Formula 1.01-12-2012
20120009468NEGATIVE ELECTRODE AND NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity.01-12-2012
20120009467Rechargeable Battery - A rechargeable battery having improved temperature detection performance of a resistor element. The rechargeable battery comprises a pouch in which an electrode assembly is embedded, a first terminal and a second terminal that are connected to the electrode assembly to be drawn out s to one side of the pouch, a resistor element connected to the first terminal, and a pressing member that is coupled to the pouch and closely contacts one surface of the resistor element, having a positive temperature coefficient, to the pouch.01-12-2012
20120009451SECONDARY BATTERY - A secondary battery that can easily adjust power by disposing a plurality of jelly-rolls for the secondary battery in a case and connecting electrodes of the jelly-rolls in either electrical series or in electrical parallel, with corresponding welds. The secondary battery is constructed with a plurality of jelly-rolls each having a first electrode tab and a second electrode tab protruding from the jelly-roll, a case having an opening accommodating insertion of the jelly-rolls, and a cap plate sealing the opening of the case and bearing electrode terminals on a bottom side of the cap plate facing the jelly-rolls. The first electrode tabs protruding from the jelly-rolls are electrically connected to the electrode terminals and the second electrode tabs protruding from the jelly-rolls are electrically connected to the cap plate.01-12-2012
20120009444BATTERY PACK - An embodiment of the present invention relates to a battery pack including a plurality of bare cells each having a cap assembly and a bottom positioned to correspond to the cap assembly; a protection circuit module mounted on the bare cells; a cover frame covering the bare cells and composed of a first frame and two second frames; and an enclosure member covering the bare cells.01-12-2012
20120009443Battery Pack for a Lithium Polymer Battery - A polymer battery pack assembly comprising a mounting frame having a first cavity defining a first mounting location and a second cavity defining a second mounting location, the first and second cavities being separated from each other; a top case mounted on the second mounting location, the top case having a third cavity defining a third mounting location; a lithium polymer battery cell mounted within the first mounting location, the battery cell having a positive tap and a negative tap extending beyond the first cavity towards the second mounting location; and a protection circuit module mounted in the third mounting location, the protection circuit module being electrically connected to the positive tap and the negative tap when the top case is mounted to the mounting frame such that the protection circuit module fits into said second cavity.01-12-2012
20120007479CASE HAVING SUPPORT DEVICE - A case of a portable computing device is disclosed. The case includes: a case body including a bottom wall, which includes a hole, a support device including a support portion and an insert portion integral with the support portion, and where the support device is engaged with the case such that the insert portion is inserted through the hole while the support portion is positioned over an exterior surface of the bottom wall, where the support portion is bonded to the exterior surface with an adhesive.01-12-2012
20120006377PHOTOELECTRIC CONVERSION MODULE - A photoelectric conversion module is disclosed. The photoelectric conversion module includes a light receiving substrate and a counter substrate facing each other and a first unit photoelectric cell and a second unit photoelectric cell formed between the light receiving substrate and the counter substrate. The first unit photoelectric cell includes a first optical electrode formed on the light receiving substrate and a first counter electrode formed on the counter substrate, a second unit photoelectric cell including a second optical electrode formed on the counter substrate and a second counter electrode formed on the light receiving substrate. The first optical electrode includes a first semiconductor layer, the second optical electrode includes a second semiconductor layer and a first width of the first semiconductor layer is asymmetric to a second width of the second semiconductor layer.01-12-2012
20120003566FUEL CARTRDIGE FOR FUEL CELL - A fuel cartridge for a fuel cell capable of accurately measuring the residual amount of fuel is disclosed. A fuel cartridge for a fuel cell may include a housing and a pouch contained within the housing and forming an inner space. The inner space of the pouch is formed by mechanically connecting a first plane portion and a second plane portion parallel to each other with a side portion intersecting both the first plane portion and the second plane portion. The pouch may be configured to contract or expand according to a residual amount of fuel in the inner space. The pouch may include a fuel path formed on the upper portion thereof. First and second electrodes may be positioned facing each other at opposite sides of the side portion with the pouch in the housing positioned therebetween when viewed in a plane. The first electrode and the second electrode may also have a plurality of opposite directions.01-05-2012
20120003553FUEL CELL SYSTEM AND DRIVING METHOD OF THE SAME - A method of driving a fuel cell system is disclosed. The method of driving the fuel cell system may include supplying water to a reformer by pressing a pump pipe to pressing members to move the pressing members in a first direction, stopping power generation including stopping a supply of fuel and oxidant to the reformer, and discharging water in the reformer by moving the pressing members in a second direction opposite to the first direction while pressing the pump pipe with the pressing members. A fuel cell system is also disclosed. The fuel cell system includes a reformer, a fuel cell stack and a water transferring pump. The water transferring pump includes pressing members and a pump pipe. The pump pipe is in fluid communication with a water transferring pipe.01-05-2012
20120003541POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - A positive active material for lithium secondary battery containing a composite that includes a composite of lithium aluminum oxide and lithium nickel oxide and lithium secondary battery using the same.01-05-2012
20120003506ELECTRODE ASSEMBLY, METHOD OF FABRICATING ELECTRODE ASSEMBLY, AND SECONDARY BATTERY INCLUDING ELECTRODE ASSEMBLY - An electrode assembly that includes a positive electrode assembly including a number of positive electrodes each having a positive electrode non-coating portion at a certain position, and a positive electrode tab coupling all the positive electrode non-coating portions, a negative electrode assembly including a plurality of negative electrodes each having a negative electrode non-coating portion at a certain position, and a negative electrode tab coupling all the negative electrode non-coating portions, and a separator disposed between each positive electrode and each negative electrode to insulate a region between the positive electrode and the negative electrode. The positive electrodes of the positive electrode assembly and the negative electrodes of the negative electrode assembly are stacked alternately.01-05-2012
20120000506PHOTOVOLTAIC MODULE AND METHOD OF MANUFACTURING THE SAME - A photovoltaic module includes a plurality of solar cells, and a plurality of solar cell separation regions separating adjacent solar cells. Each of the solar cells includes a first electrode layer on a transparent substrate and electrically separated from the first electrode layer of an adjacent solar cell, a second electrode layer over the first electrode layer and electrically separated from the second electrode layer of the adjacent solar cell, first and second electrical and optical photovoltaic layers between the first and second electrode layers, and a conductive interlayer between the first and second photovoltaic layers. At least one of the solar cell separation regions includes a first separation groove which extends through the first electrode layer; and a second separation groove which extends through the first photovoltaic layer which fills the first separation groove, and the interlayer.01-05-2012
20110318664FUEL CELL SYSTEM AND DRIVING METHOD FOR THE SAME - A fuel cell system including a fuel cell stack having a plurality of unit cells is provided. A method of driving the fuel cell stack is also provided. The method may include supplying a fuel to a fuel cell stack, supplying an oxidizer to the fuel cell stack, controlling supply of the fuel and the oxidizer to operate the fuel cell stack, calculating a total operation time of the fuel cell, and/or varying a stack activation period in which the oxidizer is blocked to the fuel cell stack according to the total operation time and a stack activation cycle of which the stack activation period is generated.12-29-2011
20110318634SECONDARY BATTERY - A secondary battery having a cap assembly that prevents the end of the terminal plate from coming undone or detached by forming a fixing member having a hook shape at an insulating plate such that the terminal plate is retained by the fixing member. The cap assembly includes a fixing member having a hook shape on the bottom of an insulating plate positioned between a cap plate and a terminal plate, in which the terminal plate is retained by the fixing member. According to this configuration, it is possible to improve weldability between the electrode tabs drawn out of the electrode assembly and the terminal plate.12-29-2011
20110318620RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly that includes a positive electrode and a negative electrode and a separator and is configured of any one of a winding type and a stacking type and a case receiving the electrode assembly together with an electrolyte solution. A positive electrode includes a positive current collector and a negative electrode includes a negative current collector. At least one of a positive current collector and a negative current collector is positioned at a base layer to which an active material is applied and protruding portions that are positioned at one end of the base layer and are formed at a larger thickness than the base layer to surface-contact each other at the wound or stacked electrode assembly.12-29-2011
20110315198PHOTOELECTRIC CONVERSION MODULE AND METHOD OF MANUFACTURING THE SAME - A photoelectric conversion module and a method of manufacturing the same are disclosed. The photoelectric conversion module may include a light-receiving substrate in which a first functional layer having a photoelectrode is formed, a counter substrate that faces the light-receiving substrate and is electrically coupled to the light-receiving substrate and in which a second functional layer having a counter electrode is formed. The photoelectric conversion module may include a sealant formed between the light-receiving substrate and the counter substrate and positioned so as to divide a plurality of unit photoelectric cells formed between the light-receiving substrate and the counter substrate. The photoelectric conversion module may include a plurality of interconnection units electrically connecting adjacent unit photoelectric cells. The light-receiving substrate and the counter substrate may be divided into a photoelectric conversion area in which the unit photoelectric cells are formed, a sealing area in which the sealant is formed outside the photoelectric conversion area and a non-photoelectric conversion area outside of the sealing area. The interconnection units may be electrically connected to each other by a bypass unit, which may be configured to electrically connect a plurality of functional unit photoelectric cells and bypass a defective unit photoelectric cell.12-29-2011
20110314627APPARATUS FOR REMOVING FOREIGN MATERIALS ON CAN OF RECHARGEABLE BATTERY - An apparatus for removing foreign materials on a can of a rechargeable battery according to an embodiment comprises: a can in which an electrode assembly is embedded; a puck on which the can is mounted; and a suction tube configured to remove foreign materials attached to an end of the can by forming a flow of air at an end of an opening formed on one side of the can.12-29-2011
20110311862SECONDARY BATTERY - The embodiment relates to a pouch-typed secondary battery, which includes: an electrode assembly having electrode taps connected to two electrode having different polarities; a case accommodating the electrode assembly with the electrode taps led to the outside; and bonding members sealing the case, in which the bonding members are disposed where the case is bonded. Further, the bonding members of the pouch-typed secondary battery according to the present invention may be composed of one or more layers.12-22-2011
20110311859COUPLING STRUCTURE FOR ELECTRODE TABS OF SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - A coupling structure for electrode tabs of a stacked-type secondary battery and a secondary battery using the same are disclosed. A coupling structure for electrode tabs of a secondary battery comprises: an electrode assembly formed by stacking a plurality of electrode plates; a tab portion formed by stacking electrode tabs protruding from one side of the electrode plates of the electrode assembly; and a coupling member that surrounds an outer surface of the tab portion so that the electrode tabs of the tab portion are connected to one another.12-22-2011
20110311858COUPLING MEMBER BETWEEN BATTERY CELLS AND BATTERY CELL ASSEMBLY USING THE SAME - A coupling member between battery cells and a battery cell assembly using the same are disclosed. Specifically, a coupling member between battery cells comprises a coupling body having battery insertion holes at first and second sides of the coupling body, and an insertion space in an interior of the coupling body; and a conductor installed in the insertion space to partition the insertion space into the first and second sides, the conductor configured to contact an electrode of the battery cells.12-22-2011
20110311843LITHIUM POLYMER BATTERY WITH EXTERNAL SHEATH - A lithium polymer battery comprising an internal sheath, reinforcement members, and an external sheath and a method for manufacturing the same are provided. The lithium polymer battery comprises a pouch-type internal sheath with an electrode assembly positioned therein and a protective circuit module that is attached to the surface thereof to control the charging and discharging processes of the electrode assembly. The battery further comprises reinforcement members that couple with surfaces of the internal sheath and an external sheath for integrally enclosing the internal sheath and the reinforcement members. The external sheath may comprise a tube, a thermally contractible tube, or a melted resin.12-22-2011
20110311431CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2θ=23°±5.0° and 2θ=26.5°±1.0° when X-ray diffraction is measured using a CuKα ray. The peak height at 2θ=23°±5.0° is higher than the one at 2θ=26.5°±1.0°.12-22-2011
20110308856CONNECTING TAB OF BATTERY PACK, COUPLING STRUCTURE BETWEEN THE CONNECTING TAB AND WIRE, AND COUPLING METHOD THEREOF - Embodiments of the present invention provide a connecting tab of a battery pack, which allows a wire to be firmly coupled to a battery cell or a protective circuit module, a coupling structure between the connecting tab and a wire, and coupling method thereof. In one embodiment of the present invention, the connecting tab coupled to a battery cell or a protective circuit module includes a first conductive layer electrically connected to the battery cell or the protective circuit module, and a second conductive layer formed on the first conductive layer and coupled to a wire. The second conductive layer may include a pair of coupling protrusions upwardly protruding for connection of the wire. A solder may further be formed on the coupling protrusions and the wire.12-22-2011
20110305969FUEL CELL STACK - A fuel cell stack including membrane-electrode assemblies and separators formed between each of the membrane-electrode assemblies is disclosed. The membrane-electrode assemblies may each include an electrolyte membrane, an anode formed on a first surface of the electrolyte membrane, and a cathode formed on a second surface of the electrolyte membrane. Each of the separators may include an anode separator facing the anode and a cathode separator facing the cathode. Each of the separators may include at least two manifolds, a channel separated from the manifolds and facing either the anode or the cathode, and a connection channel fluidly connecting the manifold and the channel. The separator may also include a buffer protrusion system in the connection channel configured to disperse the flow of the fuel or the oxidant.12-15-2011
20110305966FUEL CELL STACK AND REPLACEMENT DEVICE FOR MEMBRANE-ELECTRODE ASSEMBLY OF FUEL CELL STACK - A fuel cell stack including an electricity generating unit and a pair of end plates is disclosed. The electricity generating unit includes membrane-electrode assemblies and separators interposed between the membrane-electrode assemblies. The separators have recess portions formed on side faces thereof and may be configured to hold an external device for replacement of a single membrane-electrode assembly within the fuel cell stack. The end plates are located sandwiching the electricity generating unit by using fastening members to press the electricity generating unit.12-15-2011
20110305960FUEL CELL STACK - A fuel cell stack configured to alleviate pressure and decrease the flow rate of at least one of a fuel and an oxidant is disclosed. The fuel cell stack includes a membrane-electrode assembly, an anode separator, a cathode separator and a filing member. The membrane-electrode assembly may include an electrolyte membrane, an anode formed on a first surface of the electrolyte membrane, and a cathode formed on a second surface of the electrolyte membrane. The anode separator may include a fuel channel, a fuel inlet manifold in fluid communication with the fuel channel, and a fuel outlet manifold in fluid communication with the fuel channel. The cathode separator may include an oxidant channel, an oxidant inlet manifold in fluid communication with the oxidant channel, and an oxidant outlet manifold in fluid communication with the oxidant channel. The filling member may be positioned within at least one of the fuel inlet manifold and the oxidant inlet manifold.12-15-2011
20110305956ELECTRODE CONDUCTIVE MATERIAL, ELECTRODE MATERIAL INCLUDING THE CONDUCTIVE MATERIAL, AND ELECTRODE AND LITHIUM BATTERY EACH INCLUDING THE ELECTRODE MATERIAL - An electrode conductive material, an electrode material including the electrode conductive material, an electrode including the electrode material, and a lithium battery including the electrode material. When the electrode conductive material is used, the amount of a conductive material required is decreased, capacity of the lithium battery is improved, and a charge and discharge rate is increased.12-15-2011
20110305954POSITIVE ACTIVE MATERIAL PRECURSOR FOR SECONDARY LITHIUM BATTERY, POSITIVE ACTIVE MATERIAL USING SAME, AND SECONDARY LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - Disclosed is a positive active material precursor for a secondary lithium battery, which is represented by the following Chemical Formula 1 and has an intensity ratio of I12-15-2011
20110305952NEGATIVE ACTIVE MATERIAL, ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING ELECTRODE - A negative active material, an electrode including the same, and a lithium battery including the electrode. The negative active material has no volumetric expansion and has high solubility with respect to lithium. In addition, the negative active material is in the form of spherical particles, and thus does not require a separate granulating process. Moreover, the negative active material may enhance the capacity of a lithium battery.12-15-2011
20110305947POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a positive active material for a lithium rechargeable battery and a lithium rechargeable battery using the same, and the positive active material is represented by the following Chemical Formula 1, and has an effective magnetic moment of about 2.4 μ12-15-2011
20110305944Electrode Assembly and Rechargeable Battery Using Same - An electrode assembly according to an exemplary embodiment of the present invention comprises: a first electrode which includes a first electrode current collector and a first electrode active material layer formed on the first electrode current collector; a second electrode which includes a second electrode current collector and a second electrode active material layer formed on the second electrode current collector; and a separator disposed between the first electrode and the second electrode. A supporting portion is formed of a groove or a protrusion at an edge of the first electrode current collector, and a combination portion is combined with the supporting portion on the first electrode active material layer.12-15-2011
20110305942RECHARGEABLE BATTERY PACK - A rechargeable battery pack according to an embodiment of the present invention includes: a first unit cell and a second unit cell formed by rechargeable batteries; a connection tab including a first plate portion and a second plate portion facing each other while forming a bent portion, wherein the connection tab is configured to connect an electrode terminal of the first unit cell to the first plate portion and is configured to connect an electrode terminal of the second unit cell to the second plate portion, wherein the first plate portion includes a first protrusion portion spaced from the bent portion by a predetermined distance and protruding toward the second plate portion, and the second plate portion includes a second protrusion portion protruding toward the first plate portion to contact the first protrusion portion.12-15-2011
20110305937METHOD FOR MANUFACTURING POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME - A method for preparing a positive active material for a rechargeable lithium battery includes: a) providing a furnace and a crucible that is included in the furnace; b) putting a mixture of a composite metal precursor and a lithium compound into the crucible; and c) preparing a positive active material for a rechargeable lithium battery by firing the mixture in the crucible, wherein during the process b), the mixture in the crucible is positioned so that a minimum distance from a predetermined position inside the mixture to an exterior of the mixture in the crucible is about 5 cm or less. A rechargeable lithium made by this method is disclosed.12-15-2011
20110305930BATTERY PACK - A battery pack includes a battery group including battery rows consecutively disposed adjacent to each other, with the battery rows including secondary batteries disposed parallel to each other and spaced apart from each other, a frame for surrounding the battery group, and a plurality of first ribs that are each disposed between adjacent battery rows. The first ribs include supporting grooves that are formed in lateral surfaces of the first ribs and accommodate portions of edges of the secondary batteries, and ends of each of the first ribs are coupled to the frame.12-15-2011
20110305926BATTERY PROTECTING CIRCUIT, METHOD OF CONTROLLING THE SAME, AND BATTERY PACK - A battery pack is disclosed. The battery pack has an analog front end which senses if a failure occurs in a microcontroller, and interrupts charging and discharging of the battery in response to the failure.12-15-2011
20110304302BATTERY PROTECTION CIRCUIT AND METHOD OF CONTROLLING THE SAME - A battery protection circuit and a method of controlling the same are disclosed. The battery protection circuit includes a first current path that includes a charge control switch and a discharge control switch, and a second current path in parallel to the first current path and has an electric resistance less than that of the first current path.12-15-2011
20110304299SYSTEM OF CHARGING BATTERY PACK AND METHOD THEREOF - A system and method of charging a battery pack in a state in which a battery management unit (BMU) is stably woken up. In one embodiment, the system of charging a battery pack includes a battery including at least one battery cell, a connector electrically connected to the battery and a battery management unit electrically connected to the battery and to the connector, the battery management unit to control charging and discharging operations of the battery, wherein the connector includes an auxiliary power supply terminal to provide a path of supplying auxiliary power to the battery management unit when a total voltage of the battery is less than a wake-up voltage of the battery management unit.12-15-2011
20110304212RENEWABLE ENERGY STORAGE SYSTEM - A bidirectional inverter of a renewable energy storage system is disclosed. In one embodiment, the bidirectional inverter includes a switching unit including a first switch connected to the DC link in series and a second switch connected to the DC link in parallel, an inductor electrically connected to the switching unit, a full-bridge switching unit electrically connected to the inductor, and a controller electrically connected to the switching unit, and the full-bridge switching unit.12-15-2011
20110300452ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY INCLUDING ADDITIVES, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive including a compound represented by the following Chemical Formula 1, and a rechargeable lithium battery including the electrolyte for a rechargeable lithium battery.12-08-2011
20110300437RECHARGEABLE BATTERY AND METHOD OF INJECTING ELECTROLYTE THEREINTO - Provided is a pouch-type rechargeable battery. A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case receiving the electrode assembly; an electrolyte solution injection member positioned at one side of the case and forming an injection hole; and a sealing member covering and sealing the injection hole.12-08-2011
20110300425BATTERY STORAGE TRAY - A battery tray for storing a battery comprises: a battery storage unit comprising: a first side and a second side facing each other, and a third side and a fourth side facing each other, wherein the third and fourth sides have planar portions for accommodating a prismatic battery cell and round portions for accommodating a cylindrical battery cell; a first guiding unit extending from a lower portion of the third side to secure a first end of a prismatic battery cell; and a second guiding unit extending from a lower portion of the fourth side to secure a second end of a prismatic battery cell.12-08-2011
20110300423RECHARGEABLE BATTERY - A rechargeable battery prevents an electrolyte solution from being leaked from a can connector and improves the productivity of a can. A rechargeable battery constructed as an embodiment of the present invention includes an electrode assembly formed by stacking and winding a positive electrode, a separator, and a negative electrode; a can receiving the electrode assembly, and the can including a body formed by a polygonal tube and a bottom plate bent from at least one surface among multiple surfaces at an opening of the body and physically connected to the rest of the multiple surfaces of the body; and a cap assembly sealing another opening of the body and the cap assembly being disposed opposite to the bottom plate.12-08-2011
20110294039SOLID OXIDE ELECTROLYTE, SOLID OXIDE FUEL CELL INCLUDING THE SOLID OXIDE ELECTROLYTE, AND METHOD OF PREPARING THE SOLID OXIDE ELECTROLYTE - A solid oxide electrolyte including an oxide represented by Formula 1:12-01-2011
20110294014NEGATIVE ELECTRODE FOR SECONDARY LITHIUM BATTERY, AND SECONDARY LITHIUM BATTERY - Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material.12-01-2011
20110291547PLASMA DISPLAY PANEL (PDP) - A Plasma Display Panel (PDP) enabling optimization of a process to apply phosphor paste in order to achieve mass production using a jet nozzle method includes dummy areas structured to determine whether application conditions such as an ejecting pressure or the like are stable by measuring a depth of the applied layer after applying phosphor paste at a portion thereof in advance. The PDP includes: a first substrate and a second substrate opposing each other; address electrodes arranged on the first substrate; display electrodes arranged on the second substrate along a direction perpendicular to the address electrodes; barrier ribs arranged in a space between the first substrate and the second substrate to define a plurality of discharge cells, and phosphor layers arranged in each of the discharge cells.12-01-2011
20110291479ENERGY STORAGE SYSTEM AND METHOD OF CONTROLLING THE SAME - An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a bidirectional converter, and a bidirectional inverter based on conditions of the power generation system, the battery, and the load.12-01-2011
20110290276Laser Cleaning Device for Electrode Tab of Battery and Laser Cleaning Method Using the Same - A laser cleaning device, and a laser cleaning method using the same, for removing an electrolyte solution stuck to an electrolyte tab during a process of injecting the electrolyte solution are disclosed. The laser cleaning device for an electrode tab of a battery includes: a cleaning housing, in which a battery case for receiving an electrode group, an electrolyte solution and an electrode tab exposed to the outside are embedded; a laser generator which includes a laser source for generating a laser beam and an output controller for controlling output of the laser beam; a laser transmitter which transmits the laser beam generated by the laser generator; and a laser emitting unit which is installed inside the cleaning housing, and which irradiates the laser beam transmitted by the laser transmitter onto the electrode tab so as to remove liquid pollutants stuck to the electrode tab. The laser cleaning method comprises steps generally corresponding to the latter functions of the laser cleaning device.12-01-2011
20110289766WINDER FOR ELECTRODE ASSEMBLY OF RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY MANUFACTURING METHOD USING THE SAME - An exemplary embodiment provides a winder for an electrode assembly of a rechargeable battery capable of improving productivity by shortening a winding cycle. A winder for an electrode assembly of a rechargeable battery according to an exemplary embodiment includes: a nip roll catching and feeding a positive plate and a negative plate, and a separator; a rotor disposed below the nip roll to rotate; and a plurality of winding cores arranged in the rotor at a regular interval in a rotation direction of the rotor to rotate and move forward or backward from the rotor, wherein the center of the nip roll, the center of any one winding core among the plurality of winding cores, and one surface of an electrode assembly of another winding core which is winding-completed form a straight line.12-01-2011
20110287322RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery including: a positive electrode; a negative electrode including a negative current collector including a copper foil having elongation of about 5% to about 10% and a particle size of about 1 μm to about 20 μm, and a negative active material layer provided on the negative current collector; and an electrolyte solution.11-24-2011
20110287302SECONDARY BATTERY - A secondary battery is disclosed. In one embodiment, the battery includes i) an electrode assembly, ii) an electrolyte, iii) a tape attached to at least part of an outer surface of the electrode assembly and iv) a case accommodating the electrode assembly, electrolyte and tape. The tape includes a base layer, and wherein at least a portion of the base layer is configured to exhibit an adhesive property when contacting the electrolyte so as to contact an inner surface of the case.11-24-2011
20110287301RECHARGEABLE BATTERY - A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including a positive electrode, a negative electrode, a separator disposed between the positive and negative electrodes and having an expanded portion protruding to the outside of the positive and negative electrodes; a fixing member including a first support contacting a first outer side of the expanded portion, a second support contacting a second outer side, facing the opposite direction of the first outer side, and a joining portion joining the first and second supports; and a terminal electrically connected with the electrode assembly.11-24-2011
20110287294POUCH-TYPE SECONDARY BATTERY - A pouch-type secondary battery including: an electrode assembly comprising a positive electrode plate, a negative electrode plate and a separator; a negative electrode tab electrically connected to the negative electrode plate and having a first tab tape; and a positive electrode tab electrically connected to the positive electrode plate and having a second tab tape wherein one or two of end portions which the positive electrode tab crosses are located inside a sealing portion.11-24-2011
20110287284BATTERY PACK - A battery pack which can improve welding efficiency of a lead plate by performing welding in a state in which the lead plate is in close contact with a bare cell, and can prevent leakage of an electrolyte by preventing welding failure of the lead plate. The battery pack includes a bare cell having an electrode terminal protruding on a first surface of the bare cell, a circuit module disposed on the first surface of the bare cell, and a first lead plate coupled to one side of the circuit module and connected to the first surface of the bare cell. The first lead plate includes at least one bent portion, and a first notch recess is formed in the at least one bent portion.11-24-2011
20110287171ACTIVE MATERIAL COATING APPARATUS AND COATING METHOD USING THE SAME - The present invention provides an active material coating apparatus to form an active material layer having a uniform thickness in a width direction of a substrate when forming the active material layer on a substrate.11-24-2011
20110281205MESOPOROUS CARBON COMPOSITE CONTAINING CARBON NANOTUBE - Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs.11-17-2011
20110281189CONNECTION STRUCTURE BETWEEN OXIDIZER AND FUEL VAPORIZER IN FUEL REFORMER AND METHOD FOR FORMING THE SAME - A connection structure between a fuel vaporizer and an oxidizer in a fuel reformer is disclosed. Fuel reformers having the connection structure may be included in fuel cell systems. Methods for forming the connection structure are also disclosed. The method includes forming the fuel vaporizer and forming the oxidizer. Forming the fuel vaporizer may include forming through-holes in a bottom panel and a top panel to form the fuel vaporizer, forming an inner side panel protruding in a direction substantially normal to a frame of the bottom panel through-hole and welding a top portion of the inner side panel to the frame of the top panel through-hole. Forming the oxidizer may include welding a top portion of an inner wall of the oxidizer to a bottom surface of the frame of the bottom panel through-hole.11-17-2011
20110281188PREFERENTIAL OXIDATION REACTOR AND FUEL CELL SYSTEM USING THE SAME - A preferential oxidation reactor for removing carbon monoxide in a hydrogen mixture gas is disclosed. The preferential oxidation reactor may include a housing having a catalytic layer provided therein, a mixture gas supply portion inserted into the interior of the housing and penetrating the catalytic layer, a condensate receiving portion contained within the housing and in fluid communication with a gas outlet port of the mixture gas supply portion and condensate control tubes arranged in the catalytic layer of the housing and in fluid communication with the condensate receiving portion. The condensate control tubes may have a capillary structure. A fuel cell system including the preferential oxidation reactor is also disclosed.11-17-2011
20110281164NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING THE SAME - A negative electrode active material including mesoporous silica having mesopores filled with a metal and a lithium battery including the same.11-17-2011
20110281151BATTERY PACK - A battery pack comprises: a plurality of secondary batteries, wherein each battery comprises a terminal; and a tab coupling a terminal of a first secondary battery to a terminal of a second secondary battery; wherein a first end of the tab comprises a first region having a first welding portion and a second region having a second welding portion, and wherein the first and second regions of the first end of the tab are separated by a first space.11-17-2011
20110281141BATTERY PACK - A battery pack includes a bare cell including an electrode assembly arranged within a can having an opening that is sealed by a cap plate, a protective circuit module (PCM) arranged on the cap plate, a lead member connecting the PCM to the cap plate; a coupling member inserted into the cap plate and coupled to the lead member. The coupling member is made out of a different material than that of the cap plate, each of the coupling member and the lead member include nickel. By including such a coupling member, the strength and durability of the weld connecting the cap plate to the PCM is improved and the contact resistance is lowered.11-17-2011
20110274979NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY - A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active material includes carbon particles having interplanar spacing (d002) ranging from about 0.34 nm to about 0.50 nm at a 002 plane, measured by X-ray diffraction using CuKα, and nitrogen on the surface of the carbon particles.11-10-2011
20110274978NEGATIVE ELECTRODE FOR ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE INCLUDING SAME - Disclosed is a negative electrode for an energy storage device, which includes a negative active material, and an additive including a ceramic core and carbon disposed on the surface of the ceramic core.11-10-2011
20110274973POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The positive active material for a rechargeable lithium battery includes a composite material of a microporous carbon-based material and a lithium composite compound and a carbon layer on the surface of the composite material.11-10-2011
20110274929LITHIUM TITANATE AGGREGATE AND METHOD OF PREPARING THE SAME - A lithium titanate aggregate and a method of preparing the same. In the lithium titanate aggregate, a single primary particle has a median diameter (D11-10-2011
20110269058SOLID OXIDE FUEL CELL AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing an SOFC, a cathode current-collecting wire is spirally wound around the outer circumferential surface of a unit cell having a cylindrical anode, a cylindrical electrolyte and a cylindrical cathode, sequentially stacked therein. In the method, the length of a portion at which the cathode current-collecting wire is wound is shorter than that of a portion at which the cathode is formed. Accordingly, the stability of the SOFC can be improved by preventing a phenomenon that the SOFC is shorted due to the breakdown of an electrolyte in the operation of the SOFC.11-03-2011
20110269015CONDUCTIVE AGENT, POSITIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT, AND LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT - A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent.11-03-2011
20110262820FUEL CELL SYSTEM HAVING A REFORMER - A fuel cell system includes a fuel cell stack, an oxidizer supply unit, a reformer, a fuel tank, and a water tank. The reformer generates a hydrogen-containing reformed gas reformed from hydrocarbon-based fuel and supplies it to the fuel cell stack. The fuel tank supplies the hydrocarbon-based fuel to the reformer. The water tank supplies water to the reformer. The reformer includes a reforming unit configured to have a reforming reaction generated therein, a combustion unit configured to supply heat energy to the reforming unit, and a carbon monoxide reduction unit configured to reduce the concentration of carbon monoxide in a reformed gas discharged from the reforming unit. A combustion gas pipe is connected to the combustion unit. A reformed gas pipe is disposed between the reforming unit and the carbon monoxide reduction unit. At least one of the combustion gas pipe and the reformed gas pipe is configured to pass through the inside of the water tank or to raise a temperature of the water tank through contact with the water tank, thereby preventing the freezing of the water tank.10-27-2011
20110259405PHOTOELECTRIC CONVERSION MODULE - A photoelectric conversion module, for example, a dye-sensitized solar cell, for generating electrical energy from light is disclosed. In one aspect, the module includes a light-receiving substrate, a first functional layer formed on the light receiving substrate and a first bus electrode formed on at least two edge regions of the light receiving substrate. The photoelectric conversion module may have a counter substrate having a second functional layer formed thereon and a second bus electrode formed on at least two edges of the counter substrate an electrolyte layer disposed between the first functional layer and the second functional layer. A first connection line may be electrically connected to the second bus electrode and a second connection line may be electrically connected to the first bus electrode is disclosed. Further, the first bus electrode may be electrically connected to the first functional layer and the second functional layer may be electrically connected to the second bus electrode.10-27-2011
20110250489BATTERY PACK - A battery pack that includes a case and a bare cell. The battery pack further includes a screw for combining the case and the bare cell to each other. The screw includes: a head portion having a screw groove formed in a first surface thereof; a body portion disposed on a second surface of the head portion and including a screw thread; and a connection portion disposed between the head portion and the body portion, wherein a thickness of the head portion is within 0.3 to 1 mm.10-13-2011
20110250474SECONDARY BATTERY - A secondary battery comprises a bare cell comprising an electrode assembly and a pouch housing the electrode assembly, wherein the bare cell comprises a first side at one end of the bare cell; a molded portion covering at least a part of the first side of the bare cell; and a circuit module disposed over the molded portion.10-13-2011
20110250473SECONDARY BATTERY PACK - A second battery pack is provided. Since a plurality of wires electrically connected to the output terminals of a PCB are installed surrounding at least a part of the PCB, the tensile strength of the wires may be improved.10-13-2011
20110244363ELECTRODE CATALYST FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING SAME, AND FUEL CELL SYSTEM INCLUDING SAME - An electrode catalyst for a fuel cell including a carbon-based carrier and an active metal supported in the carrier, for example, an electrode catalyst for a fuel cell includes a carrier and an active metal supported in the carrier, wherein the electrode catalyst has an X value of 95 to 100% in Equation 1.10-06-2011
20110244362CATALYST FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY INCLUDING SAME, AND FUEL CELL SYSTEM INCLUDING SAME - A catalyst for a fuel cell including a carrier and an active metal dispersion that is supported in the carrier is disclosed. The catalyst may have a dispersity (Dp) represented by General Formula 1 and that ranges from between about 0.01 to about 1.0.10-06-2011
20110244318SECONDARY BATTERY - A secondary battery includes an electrode assembly comprising a first electrode plate, a second electrode plate and a separator interposed therebetween, and an electrolyte. A case accommodates the electrode assembly and an electrolyte. A finishing material is attached to an outer surface of the electrode assembly. In the secondary battery, the finishing material has an adhesive property on at least one surface.10-06-2011
20110244315POUCH TYPE SECONDARY BATTERY AND THE FABRICATION METHOD THEREOF - A method of forming a secondary battery comprises: positioning an electrode assembly between a first pouch sheet and a second pouch sheet; initially sealing outer portions of the first pouch sheet and of the second pouch sheet on at least one side of the first and second pouch sheets; and additionally sealing outer portions of the first pouch sheet and of the second pouch sheet on the at least one side of the first and second pouch sheets.10-06-2011
20110236795METAL-DOPED OXIDE, METHOD OF PREPARING THE SAME, AND SOLID OXIDE ELECTROLYTE USING THE METAL-DOPED OXIDE - A method of preparing a metal-doped oxide, the method including: preparing a precursor solution including a zirconium precursor or cerium precursor, a dopant metal precursor, a solvent, and a chloride salt; and heat-treating the precursor solution to prepare the metal-doped oxide.09-29-2011
20110236777FUEL CELL SYSTEM TO PREHEAT FUEL CELL STACK - A fuel cell system including: a reformer to convert a fuel into hydrogen; a reformer chamber to contain air heated by the reformer; a fuel cell stack to convert the hydrogen into electricity; a first pump to supply an oxidant to the stack; and a second pump to supply the heated air to the stack, to preheat the stack. The system may also include a controller to control the operation of the system, such that the heated air is not supplied until it reaches a predetermined temperature, and the oxidant is not supplied and the stack is not operated, until the stack reaches a predetermined temperature.09-29-2011
20110236775Fuel Cell System - A fuel cell system quickly and efficiently preheats a frozen stack. The fuel cell system includes: a reformer which generates a reformate gas by reforming a fuel and is heated by a heat source unit; a stack which generates electricity by electrochemically reacting an oxidizer with hydrogen in the reformate gas; and a fluid flow controller which moves air around the reformer into an area around the stack, and which controls airflow on the basis of a temperature change of the stack, wherein the air is heated by the surface temperature of the reformer.09-29-2011
20110234232SORTING MACHINE OF BATTERY CELL AND SORTING METHOD THEREOF - A battery cell sorting machine includes an inserting unit into which a battery cell is inserted, a measuring unit on which the inserted battery cell is placed, an open circuit voltage (OCV) measuring unit configured to measure an OCV of the battery cell placed on the measuring unit, a loading unit configured to discharge the battery cell placed on the measuring unit, a discharge voltage measuring unit configured to measure a discharge voltage of the battery cell discharged by the loading unit, and a control unit configured to sort battery cells placed on the measuring unit into different groups, wherein the control unit is configured to calculate a voltage differential between the OCV and the discharge voltage of each of the battery cells and to sort the battery cells having corresponding voltage differential ranges between the OCV and the discharge voltage into one group.09-29-2011
20110234171BATTERY PACK AND METHOD OF CONTROLLING THE BATTERY PACK - A battery pack and a method of controlling the battery pack. The battery pack includes a battery cell and a capacitor connected in parallel to the battery pack. Accordingly, the battery power and the distance travelled by an electric transport device that requires an instantaneous high power output, such as an E-bike, may be increased.09-29-2011
20110232763SPIROBIFLUORENE-BASED COMPOUND AND DYE-SENSITIZED SOLAR CELL USING THE SAME - A spirobifluorene-based compound and a dye-sensitized solar cell using the spirobifluorene-based compound as a dye.09-29-2011
20110232739PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device is disclosed. One aspect includes a first substrate and a second substrate spaced apart from each other, an inner sealing portion formed between the first substrate and the second substrate, and an outer sealing portion formed between the first substrate and the second substrate and spaced apart from an outer edge of the inner sealing portion. Furthermore, a plurality of first electrodes may be formed on a surface of the first substrate that faces the second substrate and a current collecting electrode may be formed electrically connecting the first electrodes to each other. The inner sealing portion may be positioned to define a photoelectric conversion region. The current collecting electrode may be formed on the first substrate to extend from a contact with the plurality of first electrodes past an outer sealing region of the outer sealing portion.09-29-2011
20110223515MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM - A membrane-electrode assembly for a fuel cell is disclosed. The membrane-electrode assembly may include a polymer electrolyte membrane, an adhesive layer disposed on the polymer electrolyte membrane and a catalyst layer formed, as part of the adhesive layer. The polymer electrolyte membrane, the adhesive layer and the catalyst layer may be positioned between a cathode substrate and an anode substrate. The cathode may include a cathode substrate and the anode may include an anode substrate. A method for manufacturing a membrane-electrode assembly and a system incorporating a membrane-electrode assembly are also disclosed.09-15-2011
20110223474REINFORCED POUCH TYPE SECONDARY BATTERY - A pouch type secondary battery having enhanced reliability by protecting the battery from external impacts is described. A reinforcement structure may be installed on a pouch casing and an electrode assembly housed in the pouch casing. Short-circuits inside the pouch casing may be minimized. The pouch type secondary battery has an electrode assembly with positive and negative electrode plates with a separator interposed therebetween, and positive and negative terminal portions extending from the positive and negative electrode plates. A first reinforcement member is closely adhered to one or more planes of the electrode assembly. A second reinforcement member may be adhered to the pouch casing and used with or without the first reinforcement member.09-15-2011
20110223461SECONDARY BATTERY - A secondary battery comprises an electrode assembly comprising a first electrode plate, a second electrode plate and a separator interposed between the first and second electrode plates; and a battery case accommodating the electrode assembly, the battery case comprising a first portion, a second portion, and an adhesive layer that contacts a surface of the first portion and a surface of the second portion, wherein the adhesive layer is continuous between the first and second portions.09-15-2011
20110220202PHOTOELECTRIC CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF - A photoelectric conversion device includes first and second substrates on which first and second electrodes are respectively formed, arranged to face each other, an electrolyte injected into a gap between the first and second substrates through an electrolyte injection hole formed in the first substrate, and an injection hole sealing member for sealing the electrolyte injection hole. The injection hole sealing member includes a cover portion for covering an entrance end of the electrolyte injection hole and an insertion portion extending from the cover portion along the electrolyte injection hole.09-15-2011
20110217591ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE SAME - An electrode assembly according to an embodiment of the present invention comprises: at least one first electrode plate comprising a first electrode tab extending from the first electrode plate; at least one second electrode plate comprising a second electrode tab extending from the second electrode plate; at least one first intermediate electrode comprising a first intermediate electrode tab extending from the first intermediate electrode; at least one second intermediate electrode comprising a second intermediate electrode tab extending from the second intermediate electrode; and a separator disposed between the first electrode plate and the second electrode plate, and a separator disposed between the first intermediate electrode and the second intermediate electrode; wherein the first electrode plate is disposed at an outermost side in the electrode assembly with respect to the first intermediate electrode, and the second electrode plate is disposed at an outermost side in the electrode assembly with respect to the second intermediate electrode; and wherein the first electrode tab and the first intermediate electrode tab together constitute a first electrode lead, and the second electrode tab and the second intermediate electrode tab together constitute a second electrode lead.09-08-2011
20110217588SECONDARY BATTERY AND METHOD OF FABRICATING OF THE SECONDARY BATTERY - Disclosed is a secondary battery which includes an electrode assembly comprising inner stacked electrodes and at least one outermost electrode positioned on at least one end of the inner stacked electrodes; and a case configured to house the electrode assembly. Herein, the at least one outermost electrode comprise an inactive material.09-08-2011
20110217587BATTERY PACK HAVING IMPROVED HEAT DISSIPATION AND MOUNTING STRUCTURE AND BATTERY PACK ASSEMBLY INCLUDING THE SAME - A battery pack and a battery pack assembly including the battery pack. The battery pack includes a holder case to define a plurality of cell spaces, a plurality of battery cells arranged within the plurality of cell spaces, respectively and at least one mounting aperture perforating the holder case and being surrounded by the plurality of cell spaces.09-08-2011
20110217571BATTERY PACK AND METHOD OF MANUFACTURING SAME - A battery pack comprising a bare cell and a protection circuit module positioned on top of the cap plate of the bare cell and a cover. Threaded connectors are used to connect the cover to the bare cell. The threaded connectors are chemically polished to enhance the engagement between the connectors and the cap plate.09-08-2011
20110209907LIQUID-REPELLENT FILM FORMER, METHOD FOR FORMING LIQUID-REPELLENT FILM, METHOD FOR FORMING FINE WIRING USING THE SAME, AND SUBSTRATE COMPRISING THE SAME - Disclosed are a liquid-repellent film former, a method for forming a liquid-repellent film, a method for forming fine wiring based on the same, and a printed circuit board including the same. The liquid-repellent film former includes a first coupling agent including a compound represented by the following Chemical Formula 1, a second coupling agent including a compound represented by the following Chemical Formula 2, and an alcohol solvent.09-01-2011
20110206998RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a positive active material and an activated carbon, a negative electrode including a negative active material, and a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes about 30 volume % to about 90 volume % of propylene carbonate.08-25-2011
20110206987NEGATIVE ELECTRODE, LITHIUM BATTERY EMPLOYING THE SAME, AND METHOD OF PREPARING THE NEGATIVE ELECTRODE - A negative electrode, a lithium battery employing the negative electrode, and a method of preparing the negative electrode. The negative electrode includes a current collector, and a negative electrode active material layer disposed on the current collector. The negative electrode active material layer includes: composite negative electrode active material particles comprising tin (Sn), and conductive metal particles. The conductive metal particles form an intermetallic compound with the Sn, and an average particle size of the conductive metal particles is at least 10 μm.08-25-2011
20110206986NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative active material for a rechargeable lithium battery including a flake powder including a plurality of flakes, each flake including a plurality of silicon atoms and a plurality of oxygen atoms, wherein an oxygen atom amount for each flake ranges from 5 wt % to 38 wt % based on a total amount of silicon atoms and oxygen atoms, each flake having a thickness ranging from 30 nm to 500 nm and a ratio of an average longest dimension to the thickness ranging from 10 to 100.08-25-2011
20110200854RECHARGEABLE BATTERY - A rechargeable battery according to an embodiment of the present invention includes: an electrode assembly; a battery case accommodating the electrode assembly; and a cap assembly comprising: a cap plate comprising a top portion and at least one opening; and a vent member comprising two or more notches and a supporting portion, wherein the vent member is configured to break at the two or more notches and bend along two or more lines adjacent to the supporting portion.08-18-2011
20110196051Electrolyte membrane using polybenzoxazine based compound - An electrolyte membrane includes a cross-linked reaction product of a benzoxazine monomer and a cross-linkable compound. The electrolyte membrane is impregnated with 300 to 600 parts by weight of phosphoric acid based on 100 parts by weight of the electrolyte membrane, and has a yield strain 0.5% or less, and a yield stress 0.3 Mpa or less. The cross-linked material has a strong acid trapping ability with respect to the benzoxazine compound and excellent mechanical properties due to a cross-linkage. Also, the solubility of the cross-linked material in polyphosphoric acid is low, thereby showing excellent chemical stability. Accordingly, when the cross-linked material is used, an electrolyte membrane having an excellent liquid supplementing ability and excellent mechanical and chemical stability at a high temperature can be obtained. The cross-linked material can be obtained by a simple polymerization process by combining a benzoxazine monomer and a crosslinkable compound and by using heat instead of using a polymerization initiator or a cross-linking agent.08-11-2011
20110195331FUEL CELL STACK - A fuel cell stack includes membrane-electrode assemblies and separators that are closely disposed to both sides of the membrane-electrode assembly. Each membrane-electrode assembly includes an electrolyte membrane, an anode electrode that is formed on one surface of the electrolyte membrane, a cathode electrode that is formed on the other surface of the electrolyte membrane, and a protective layer formed at an oxidant inlet region where oxidant is first injected into the respective cathode electrode.08-11-2011
20110195282CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME - A cap assembly for a secondary battery in which an insulating member is disposed in a partial or entire terminal plate, resulting in improved stability. The cap assembly includes a terminal plate and an insulating member. The insulating member is disposed in a partial or entire region of the terminal plate other than a region to which a negative electrode tab is welded.08-11-2011
20110195281SECONDARY BATTERY - The secondary battery includes an electrode assembly, an outer case housing the electrode assembly, and a protective circuit module electrically connected to a first electrode tab and a second electrode tab that extend from the electrode assembly. The protective circuit module includes a circuit board including a first connecting pad and a second connecting pad that are connected to the first electrode tab and the second electrode tab, respectively. One of the first connecting pad and the second connecting pad is formed of a material including copper, and is embedded by a certain depth into the circuit board.08-11-2011

Patent applications by Samsung SDI Co., Ltd.