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Cylindrical unit cell type, e.g., cup container electrode, tubular electrode, casing, etc.

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429122000 - CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS

429163000 - Cell enclosure structure, e.g., housing, casing, container, cover, etc.

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429174000 Having seal material 39
429166000 Reactive metallic can, cup or tubular electrode 9
429165000 Having centrally located anode, i.e., "inside-out" type cell 1
20120208073ELECTROCHEMICAL STORAGE CELL - An electrochemical storage cell including a housing; a solid electrolyte tube, which defines an inner space of the housing as a first electrode chamber and a second electrode chamber; a first electrode material in the first electrode chamber; a second electrode material in the second electrode chamber; and an electron channel unit arranged in the second electrode chamber for guiding movement of electrons in the second electrode chamber, the electron channel unit having a non-constant thickness.08-16-2012
Entries
DocumentTitleDate
20080261108Rechargeable battery - A rechargeable battery that can stably fix an electrode assembly. The rechargeable battery is constructed with an electrode assembly that includes a cathode, an anode, and a separator interposed between the cathode and the anode, a case accommodating the electrode assembly and has a bottom boss formed at the bottom part, a cap assembly coupled with the case to close and seal the case and being electrically connected to the electrode assembly, and a current collecting plate disposed between the electrode assembly and the case and having an opening hole into which the bottom boss is inserted.10-23-2008
20100009253Battery Case and Battery - A battery case is provided, comprising a cylindrical body (01-14-2010
20090317711AA ALKALINE BATTERY - A positive electrode and a negative electrode are accommodated in a bottomed cylindrical battery case with a separator interposed therebetween, and an opening part of the battery case is sealed by means of a gasket. A body part of the battery case has a thickness in the range between 0.1 and 0.17 mm. The positive electrode is made of a material obtained by adding graphite to manganese dioxide. The density of the graphite in the material of the positive electrode is in the range between 0.12 and 0.23 g/cm12-24-2009
20100119935CYLINDRICAL SECONDARY BATTERY OF IMPROVED SAFETY - Disclosed herein is a cylindrical secondary battery constructed in a structure in which a crimping region, at which a cap assembly is mounted to the open upper end of a cylindrical container having an electrode assembly mounted therein, is formed at the upper end of the container, wherein the crimping region is constructed in a structure in which the upper end of the crimping region is gently bent at a predetermined radius of curvature (R), such that the crimping region surrounds a gasket located at the inside of the crimping region, the bent front end extends inward, such that the bent end presses the gasket, and an inclination of a predetermined angle is formed at the sidewall of the crimping region, such that the upper part of the crimping region is directed inward. According to the secondary battery of the present invention, the sealability of the gasket is improved, and external impacts are partially absorbed by the inclination formed at the crimping region. Consequently, the deformation of the crimping region is minimized, whereby the leakage of the electrolyte is prevented, and the safety of the battery is greatly improved.05-13-2010
20100092857METALLIC ZINC-BASED CURRENT COLLECTOR - A nickel zinc battery cell includes a metallic zinc-based current collection substrate as a part of the negative electrode. The metallic zinc-based current collector may be made of or be coated with a zinc metal or zinc alloy material and may be a foil, perforated, or expanded material. Battery cells incorporating the zinc-based current collector exhibit good cycle lifetime and initial charge performance.04-15-2010
20090269660ALKALINE BATTERY - An alkaline dry battery includes a positive electrode 10-29-2009
20100233525NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The nonaqueous electrolyte secondary battery includes a rolled electrode assembly 09-16-2010
20090087731Lithium secondary battery - A lithium secondary battery includes: a positive electrode having a positive electrode active material layer disposed on a positive electrode current collector, the positive electrode active material layer containing a positive electrode binder and a positive electrode active material containing a layered lithium-transition metal composite oxide; a negative electrode having a negative electrode current collector and a negative electrode active material layer disposed on the negative electrode current collector, the negative electrode active material layer containing a negative electrode binder and a negative electrode active material containing particles of silicon and/or a silicon alloy; and a non-aqueous electrolyte. Al04-02-2009
20110293999ALKALINE BATTERY - A positive electrode 12-01-2011
20100035144ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY USING THE SAME - An electrode assembly and a lithium secondary battery including the same. Heat generation of the electrode tabs is reduced by providing the electrode tabs at the outermost parts of the electrode assembly. An insulation member is attached at the boundary of the electrode tabs and the respective electrode plates. An insulation member is also attached to the uncoated portions formed on the outer circumference of the electrode assembly, thereby preventing internal short circuits either between an uncoated portion and an active material layer or between the uncoated portions. The electrode assembly can be used in pouch, rectangular and cylindrical lithium secondary batteries to prevent an internal short circuit within the batteries.02-11-2010
20080292956SECONDARY BATTERY - A secondary battery is provided, which has an improved structure of a can or a case to make an outer thickness of the secondary battery uniform. The secondary battery includes: a bare cell including an electrode assembly and a can or a pouch-shaped casing accommodating the electrode assembly; a protection circuit board disposed at a side of the bare cell; and a label adhered on a side surface of the bare cell, wherein the can or pouch-shaped casing has a stepped portion. Further, another secondary battery includes: a bare cell including an electrode assembly and a can or a pouch-shaped casing accommodating the electrode assembly; a protection circuit board disposed at a side of the bare cell; an outer case member disposed at a side surface of the bare cell; and a label adhered on the outer case member, wherein the outer case member has a stepped portion.11-27-2008
20090317712RECHARGEABLE BATTERY AND MANUFACTURING METHOD THEREOF - A rechargeable battery is provided. The rechargeable battery comprises an electrode assembly, a case housing the electrode assembly, at least one lead tab accommodated in the case to electrically connect the electrode assembly to the case, and a welded joint joining the lead tab to the case. In the rechargeable battery, the case is connected to the lead tab without producing any spatter within the case. The welded joint extends from an outer bottom surface of the case to the lead tab. Further provided is a method for manufacturing the rechargeable battery.12-24-2009
20090263711Battery pack - A battery pack, including a cell including a cathode, an anode, and an electrode terminal having a bolt coupling region on a surface thereof, a circuit board electrically coupled to the cell and having a bolt through-hole at a position corresponding to the bolt coupling region, and a bolt passing through the bolt through-hole and coupled to the bolt coupling region.10-22-2009
20100099024METHOD FOR CONNECTION OF CONDUCTIVE MEMBER TO DEVICE - Disclosed herein are a method of coupling a conductive member for electric connection ('connection member) to a desired device by welding, wherein the connection member includes a corrosion prevention coating layer formed on a plate body of a high electrical conductivity and an embossed structure formed at one end thereof, and wherein the method comprises locating the connection member such that a protrusion of the embossed structure is brought into contact with a predetermined region of the device, at which the connection member will be connected to the device, making a welding rod come into contact with a depression opposite to the protrusion, and performing resistance welding, and a conductive connection member coupled by the coupling method. The coupling method has the effect of substituting for nickel, which has low price competitiveness, and solving the problems caused during the welding process, thereby greatly improving the productivity and greatly reducing a possibility of defect.04-22-2010
20090274957BATTERY CAN AND METHOD FOR PRODUCING THE SAME AND APPARATUS FOR PRODUCING BATTERY CAN - A bottomed cylindrical battery can of the present invention includes a bottom wall and a side wall each having a predetermined thickness and being uniform in thickness. Alternatively, the bottomed cylindrical battery can of the present invention includes a side wall having a predetermined thickness and being uniform in thickness therethroughout and a bottom wall having a bottom wall thickness increasing from the periphery to the center thereof. By thus configuring, it is possible to reduce the weight of the battery can without sacrificing the rigidity of the battery can, while achieving a reduction in the amount of material used.11-05-2009
20080206633NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a battery can container which houses a wound electrode body formed by winding a belt-shaped anode and cathode isolated by a separator together with an electrolytic solution, an anode terminal fixed to the battery can container through a gasket, and a safety valve incorporated between the anode terminal and the wound electrode body The safety valve includes a safety cover annularly formed, a stripper disk annularly formed, and a disk holder, annularly formed, which houses the stripper disk in the safety cover to fix and integrate the safety cover and the stripper disk therewith08-28-2008
20090111015MODULAR BATTERY SYSTEM - A battery system includes a plurality of sleeves modularly coupled together by members provided on an exterior surface of the sleeves. Each of the sleeves is configured to contain an electrochemical cell and comprises an inner surface. A plurality of features extend from the inner surface to define a space between the inner surface and an electrochemical cell provided within the sleeve. An end has a plurality of apertures that are aligned with the space to allow a cooling fluid to enter the sleeve through the apertures and pass adjacent the cell via the spaces to cool the cell.04-30-2009
20090104520Lithium-Iron Disulfide Cell Design - The invention relates to electrochemical cells having a jellyroll electrode assembly that includes a lithium-based negative electrode, a positive electrode with a coating comprising greater than about 94 wt. % of iron disulfide.04-23-2009
20090280403RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly, a case, a cap assembly, and a core. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case has a space for housing the electrode assembly. The cap assembly is connected to the case and electrically connected to the electrode assembly. The core is disposed inside the electrode assembly, and has a distance between the exterior and the center thereof at one end in a length direction that is greater than a distance between the exterior and the center thereof at the center in the length direction.11-12-2009
20080241674Electrode assembly and secondary battery including electrode assembly - An electrode assembly having a ceramic layer interposed between a positive electrode plate and a negative electrode plate, and a secondary battery including the electrode assembly includes: a positive electrode and a negative electrode plate having a ceramic layer coated on the positive electrode plate and the negative electrode plate and interposed between the two plates, and a rubber layer laminated on the ceramic layer to prevent deformation of the ceramic layer. The battery safety and reliability are improved by preventing cracking or separation of the ceramic layer from external shock by laminating the rubber layer on the ceramic layer.10-02-2008
20080305391ANODE AND BATTERY - A battery capable of improving cycle characteristics and a manufacturing yield is provided. An anode includes: an anode current collector; and an anode active material layer arranged on the anode current collector, in which the anode active material layer includes an anode active material including a plurality of pores, and the rate of change in the amount of mercury intruded into the plurality of pores is distributed so as to have a peak in a diameter range from 80 nm to 1200 nm both inclusive, the amount of mercury intruded being measured by mercury porosimetry.12-11-2008
20100136419Battery pack - Disclosed is a battery pack that can improve bonding strength between a bare cell and a case by combining a beading part of a bare cell with a projection on an inner surface of a case. The battery pack comprises a bare cell and an upper case. The bare cell includes an electrode assembly, a can receiving the electrode assembly, and a cap assembly covering an upper part of the can. The can includes a beading part inwardly pressed from an outer surface of the can. The beading part is at a higher position than an upper part of the electrode assembly. The upper case covers the beading part and upper part of the can, and includes a projection formed on an inner surface of the upper case. The projection is combined with the beading part of the can.06-03-2010
20120141865ELECTROCHEMICAL ELEMENT WITH A REDUCED INTERNAL RESISTANCE - An electrochemical element has a housing having an inside surface, a first electrode resting adjacent an inside surface of the housing and defining a cavity, the first electrode including at least two individual segments adjacent one another in a 2-dimensional manner via first contact surfaces and rest via further contact surfaces adjacent the inside surface, a second electrode of opposite polarity arranged inside the cavity, a separator arranged between the first and second electrodes, and at least one connector arranged between the first contact surfaces which connects the segments electrically conductively and which is annular or ring-shaped and includes at least one strip-shaped projection formed on an outside portion thereof06-07-2012
20090004560Electrochemically Self Assembled Batteries - The present invention relates to in situ formation of a single-layered electrochemical cell comprising a full tri-layer battery structure containing a discrete positive electrode, solid state electrolyte, and negative electrode from self-assembled nanocomposites. The single layered cell makes it possible to fabricate cells in three dimensions resulting in a very high energy density power source within very small and/or complex dimensions.01-01-2009
20090081535X-RAY SENSITIVE BATTERY SEPARATOR AND A METHOD FOR DETECTING THE POSITION OF A SEPARATOR IN A BATTERY - The instant application relates to an X-ray sensitive battery separator for a secondary lithium battery and a method for detecting the position of a separator in a secondary lithium battery. The X-ray sensitive battery separator includes a microporous membrane having an X-ray detectable element. The X-ray detectable element constitutes less than 0.1% by weight of the microporous membrane. The method for detecting the position of a separator in a battery includes the following steps: (1) providing a battery including an X-ray sensitive battery separator; (2) subjecting the battery to X-ray radiation; and (3) thereby detecting the position of said separator in said battery.03-26-2009
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
20090098454SPHERICAL ELECTROLYTIC MANGANESE DIOXIDE AND ALKALINE PRIMARY BATTERY USING THE SAME - An object is to provide an electrolytic manganese dioxide with optimized properties, and a high capacity alkaline primary battery with excellent high-rate discharge characteristics. Disclosed is a spherical electrolytic manganese dioxide having an average circularity of 0.89 or more. The loss on heating from 200 to 400° C. of the spherical electrolytic manganese dioxide is preferably 2.5% by weight or more. Also disclosed is an alkaline primary battery including the above-described spherical electrolytic manganese dioxide as a positive electrode active material.04-16-2009
20090081536BATTERY CAN, BATTERY USING THE SAME, AND METHOD FOR MANUFACTURING THE SAME - A battery can is manufactured by drawing and ironing a nickel plated steel plate. The nickel plated steel plate includes a steel plate and a nickel plating layer made of nickel grains layered. Nickel grains present in a surface portion of the nickel plating layer are greater than nickel grains present in the vicinity of the interface with the steel plate.03-26-2009
20080318123Lithium cell - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS12-25-2008
20100183911BATTERY CAN, MANUFACTURING METHOD AND MANUFACTURING DEVICE THEREFOR, AND BATTERY USING THE SAME - A battery case is made by cutting from a blank case of a bottomed cylindrical battery case having an unwanted portion at an opening portion the unwanted portion from the case wall in the circumferential direction by a blade. The cutting of the case wall is performed so as to render a cutting-end portion higher than a cutting-start portion. Thus, re-cutting of the cutting-start portion by the blade after it has already completed one rotation can be avoided. As a result, the generation of thread-like chips from re-cutting of the cut surface can be avoided.07-22-2010
20100216013CYLINDER TYPE SECONDARY BATTERY - A cylinder type secondary battery includes a can having an opening, an electrode assembly in the can, a cap assembly covering the opening of the can, an upper insulating plate between the electrode assembly and the cap assembly; a support plate on the upper insulating plate; the support plate having a peripheral edge, wherein an area of the support plate is smaller than an area of the upper insulating plate, and a first electrode tab extending from the electrode assembly, the first electrode tab having a first section contacting the support plate, a second section contacting the cap assembly, and a bent section between the first section and the second section, wherein a portion of the bent section protrudes from the peripheral edge of the support plate.08-26-2010
20100233524CYLINDRICAL NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A cylindrical non-aqueous electrolyte secondary battery of the invention includes: an approximately columnar electrode group having a strip-shaped positive electrode including a positive electrode material mixture layer formed on a positive electrode current collector and a strip-shaped negative electrode including a negative electrode material mixture layer formed on a negative electrode current collector that are spirally wound with a strip-shaped separator interposed therebetween; a non-aqueous electrolyte; a bottomed cylindrical battery case housing the electrode group and the non-aqueous electrolyte; and a negative electrode lead electrically connecting the negative electrode and the battery case. The negative electrode includes a double-coated portion having a negative electrode material mixture layer formed on both surfaces of the negative electrode current collector, a single-coated portion having a negative electrode material mixture layer formed on one surface of the negative electrode current collector, and an uncoated portion where both surfaces of the negative electrode current collector are exposed. The single-coated and uncoated portions are disposed at an outermost layer of the electrode group. The negative electrode current collector exposed portions of the single-coated and uncoated portions are in direct contact with an inner surface of the battery case.09-16-2010
20090148766SECONDARY BATTERY - A secondary battery provided with a safety element (06-11-2009
20100304209ELONGATE BATTERY FOR IMPLANTABLE MEDICAL DEVICE - A battery assembly for a medical device having an axis. The battery assembly includes an elongate cathode, an elongate anode, an electrolyte, and an elongate housing assembly encapsulating the cathode, the anode, and the electrolyte. The housing assembly is substantially coaxial with the cathode and the anode. The battery assembly also includes a first electrode that is exposed from and electrically insulated from the housing assembly and disposed in the open end. One of the anode and the cathode is electrically coupled to the first electrode and the other is electrically coupled to the housing assembly. The cathode and the anode are coaxial and spaced apart in a direction substantially parallel to the axis.12-02-2010
20100310925CYLINDRICAL LITHIUM ION SECONDARY BATTERY - A cylindrical lithium ion secondary battery including a center pin that has a diameter greater than a diameter of a hole formed in the center of an insulating plate to reduce the noise generated by contacting the center pin with the bottom surface of the cylindrical can.12-09-2010
20100310926BATTERY CELL OF A CYLINDRICAL LITHIUM ION BATTERY - A battery cell of a cylindrical lithium ion battery includes an anode plate and a cathode plate wounded together with an insulating separator disposed between the anode plate and the cathode plate. The anode plate includes an anode current collector and an anode film formed on the anode current collector. The anode current collector is formed with an anode exposed portion without the anode film formed thereon. The anode exposed portion is soldered with a number of anode terminals. The cathode plate includes a cathode current collector and a cathode film formed on the cathode current collector. The cathode current collector is provided with a cathode exposed portion without the cathode film formed thereon. The cathode exposed portion is soldered with a number of cathode terminals. The anode terminals and the cathode terminals are disposed at two opposite sides of the battery cell.12-09-2010
20090068558RECYCLABLE BATTERY - A recyclable battery includes a metal tube, a contact bar having a head formed on a distal end of the contact bar and extending out of the metal tube and a pole extending out of the head, a plug to block the first opening and having a channel defined through the plug to correspond to and allow the pole to extend therethrough with the head remaining on top of the plug, a sponge to sandwich active carbon with the plug and a cap securely received in the metal tube to block the second opening and having a hole defined through the cap to communicate with an interior of the metal tube and ambient air. Water is able to flow into the metal tube for absorption by the sponge such that the active carbon in close contact with the sponge is able to be reactivated by the water.03-12-2009
20090068557Battery Can and Method of Manufacturing the Same - To provide a battery can into which an electrode assembly can be housed smoothly without causing damage to the electrode assembly while ensuring the strength of the opening portion. In the battery can including a cylindrical side portion, a bottom, and an opening portion, the cylindrical side portion includes a first side portion formed at the bottom side, and a second side portion formed at the opening portion side. The thickness T03-12-2009
20090035651ANODE AND BATTERY - A battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer including an anode active material on an anode current collector, the anode active material including silicon (Si) and having a plurality of pores, in which after electrode reaction, the volumetric capacity of a pore group with a diameter ranging from 3 nm to 200 nm both inclusive per unit weight of silicon is 0.3 cm02-05-2009
20110008671NEGATIVE ELECTRODE FOR NONAQUEOUS BATTERY, ELECTRODE GROUP FOR NONAQUEOUS BATTERY AND METHOD FOR PRODUCING THE SAME, AND CYLINDRICAL NONAQUEOUS SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A negative electrode for a nonaqueous battery includes a double-coated part (01-13-2011
20110086261LITHIUM SECONDARY BATTERY - A lithium secondary battery including: an electrode assembly including a center pin inside of the electrode assembly; a can including the electrode assembly; and a cap assembly coupled to a side of the can. At least one end of the center pin includes a deforming end to deform due to an impact power caused by a collision of the deforming end with an inner surface of the can and/or the cap assembly, preventing the center pin from protruding to an outside of the can and/or the cap assembly. Accordingly, the lithium secondary battery is safer by preventing a center pin from protruding when the cylindrical lithium secondary battery explodes due to an increase in internal pressure.04-14-2011
20090311594SECONDARY BATTERY - Disclosed is a secondary battery, which includes: an electrode assembly; a can receiving the electrode assembly; and an insulation case provided at an upper part of the electrode assembly inside the can, where a stepped part thinner than the can is formed on an inner surface of an upper part of the can. The insulation case can be inserted to the stepped part and the cap plate can be seated on a second stepped part formed at the upper part of the stepped part. The insulation case and cap plate are stably assembled to the can, thereby improving reliability of the process to weld the cap plate to the upper part of the can.12-17-2009
20100055561NEGATIVE ELECTRODE CAN FOR BATTERY AND MANGANESE DRY BATTERY UTILIZING THE SAME - A virtually lead additive-free but highly reliable and practical anode zinc can for a battery with improved process-ability and corrosion resistance. A manganese dry battery comprising such a zinc can. A manufacturing method for making the zinc can and a battery.03-04-2010
20110059352RECHARGEABLE BATTERY - A rechargeable battery is disclosed. In one embodiment, the battery includes: i) a first current collecting plate, ii) a plurality of electrode assemblies electrically connected in parallel with each other via the first current collecting plate, wherein each of the electrode assemblies comprises two opposing ends and an outer side formed between the two ends, and wherein the first current collecting plate is electrically connected to one of the two ends of the electrode assemblies and iii) a can configured to accommodate the first current collecting plate and the plurality of electrode assemblies, wherein the can comprises at least one non-linear portion, and wherein an inner surface of the non-linear portion faces the outer side of at least one electrode assembly.03-10-2011
20090317714ELECTRODE ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - A secondary battery includes an electrode assembly having a first electrode plate, second electrode plate and separator between the first electrode plate and the second electrode plate wound such that the separator defines an inner circumference of the electrode assembly. A can is provided for receiving the electrode assembly through a can opening and a cap assembly is provided for covering the can opening. An electrically conductive plate is on the inner circumference of the electrode12-24-2009
20090317713ELECTRODE ASSEMBLY AND LITHIUM SECONDARY BATTERY WITH SAME - An electrode assembly and a lithium secondary battery comprising the same are disclosed.12-24-2009
20080226980Protection circuit board for secondary battery and secondary battery using the protection circuit board - A protection circuit board for a secondary battery includes an insulation substrate, a protection circuit part including an electrode tap connection terminal and a charge/discharge terminal, arranged on the insulation substrate, and a printed circuit board including a passive element and a positive element, connected to a printed circuit board pattern. A static electricity absorbing part is arranged at a periphery of the printed circuit board pattern.09-18-2008
20080213655SAFE LITHIUM ION BATTERY - The present invention discloses a safe lithium ion battery to solve the short circuit problem of short circuit caused by metal grains produced during the production of the battery on the neck of the lithium ion battery. The lithium ion battery comprises a cylindrical shell, a battery cover, an anode, a membrane, a cathode, an organic electrolyte, and a concave is provided on the round neck of the cylindrical shell, wherein a round tape is provided on the surface of the inner wall of the concave round neck. The lithium ion battery may completely solve the problem of metal grain produced during the production of the neck of the battery shell falling into the shell causing short circuit. It may also solve the problem of damage on the neck of the battery shell during the production of the battery, and short circuit caused by metal grain produced in the using of the battery.09-04-2008
20080226979Protection circuit board for secondary battery and secondary battery using the same - A protection circuit board for a secondary battery is constructed with an electrically insulating substrate, a printed circuit board pattern formed on the electrically insulating substrate, a protection circuit part electrically connected to the printed circuit board pattern, a charge-and-discharge terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part, and a test terminal formed on the electrically insulating substrate and electrically connected to the printed circuit board pattern and the protection circuit part. The test terminal is constructed with an electroless plated layer formed on the test terminal.09-18-2008
20110020695METHOD AND DEVICE FOR MAKING ELECTRIC ENERGY STORAGE ASSEMBLIES - The invention relates to a method for making an electric energy storage assembly (01-27-2011
20110052974SECONDARY BATTERY - A secondary battery including an electrode assembly and a can housing the electrode assembly, wherein the can has at least one recessed portion in a side surface thereof. Here, a value obtained by subtracting a diameter of the electrode assembly from a gap length between facing inner surfaces of the can ranges from about −0.12 mm to about 0.10 mm.03-03-2011
20110052973Cylinder type lithium ion secondary battery - Provided is a cylinder type lithium ion secondary battery capable of preventing an internal electrical short due to compression of a center pin in compression and collision. The cylinder type lithium ion secondary battery includes a cylindrical can, an electrode assembly housed in the cylindrical can, a center pin inserted into the electrode assembly, and a cap assembly sealing the cylindrical can. The center pin has a hollow inner space and a wall surrounding the inner space. Outer diameters of an upper portion and lower portion of the center pin are larger than an outer diameter of a central portion of the center pin. Therefore, an internal electrical short due to compression of the center pin can be prevented in compression and collision.03-03-2011
20110081571SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME - A secondary battery, including an electrode assembly having a positive sheet and a negative sheet and a separator is interposed therebetween; a tape to wrap an outer surface of the electrode assembly; and a case to receive the electrode assembly. After a remainder of the tape is formed to extend beyond a lower surface of the electrode assembly and joined by a press, the remainder is positioned between a bottom surface of the case and the lower surface of the electrode assembly. According to the embodiment of the present invention, since a junction portion of the tape extended to the outside of the lower surface of the electrode assembly is bent and inserted into the case, a shock-absorbing action is provided to reduce an external shock applied to the secondary battery. Further, an additional tape process can be omitted to simplify a manufacturing process of the secondary battery.04-07-2011
20090176154COIN-SHAPED STORAGE CELL - A coin-shaped storage cell (07-09-2009
20120015239Cable-Type Secondary Battery - Provided is a cable-type secondary battery including at least one anode extending longitudinally and having a horizontal cross section of a predetermined shape, a first electrolyte layer surrounding the anode and serving as an ion channel, at least one cathode extending longitudinally and having a horizontal cross section of a predetermined shape, the anode and the cathode arranged in parallel, a second electrolyte layer serving as an ion channel commonly surrounding the anode and the cathode, and a protection coating surrounding the second electrolyte layer. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. Introduction of the electrolyte layer on the electrode prevents a short circuit. The presence of a plurality of electrodes leads to an increased contact area therebetween and consequently a high battery rate. By adjusting the number of the anodes and the cathodes, it is easy to control the capacity balance therebetween.01-19-2012
20120064393BUTTON CELL AND METHOD FOR PRODUCTION THEREOF - A button cell has a multiple-part housing for holding electrodes and a separator, wherein there is an interlocking connection between the housing and at least one of the electrodes, in particular the anode. A method for producing button cells includes a step wherein an electrode material is introduced into a housing half-part, the inside of which has at least one recess provided with at least one undercut to create an interlocking connection between the resultant electrode and the housing half-part.03-15-2012
20100092856ANODE AND SECONDARY BATTERY - A secondary battery capable of improving the cycle characteristics and the initial charge and discharge characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a crystalline anode active material having silicon as an element, and is linked to the anode current collector.04-15-2010
20100209765CYLINDRICAL SECONDARY BATTERY - A cylindrical secondary battery including an electrode assembly including a positive electrode having a positive electrode active material layer containing lithium carbonate (Li08-19-2010
20120135299CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an electrode assembly and a cover member surrounding the electrode assembly, the electrode assembly including first and second electrodes of an elongated shape and a separator or an electrolyte interposed between the first and second electrodes, each electrode including a current collector having a cross section of a circular, asymmetrical oval or polygonal shape perpendicular to the lengthwise direction thereof and an electrode active material applied onto the surface of the current collector, wherein the cover member has at least partially a predetermined concavo-convex pattern in the direction of the electrode assembly. 05-31-2012
20100173192RECHARGEABLE LITHIUM BATTERIES COMPRISING MEANS FOR THE SORPTION OF HARMFUL SUBSTANCES - Rechargeable lithium batteries are described, comprising an airtight container, electrodes immersed in an electrolytic solution and spaced apart by means of one or more separators, electrical contacts connected to the electrodes and means (07-08-2010
20100040945BATTERY CELL CASE AND BATTERY CELL - A battery cell case comprises a cylindrical body (02-18-2010
20100035143Lithium battery - The present invention is to provide a lithium battery can be exempted from short circuit problems caused by metallic particles agitated through the manufacturing process and later usage. Said lithium battery includes a battery cover, anode films, separators, cathode films, an organic electrolyte, a cylindrical housing with a neck portion formed on an upper portion of the cylindrical housing. Said neck portion is spread with a layer of polymeric based composite materials onto an inner wall inside the neck portion, damages happened to the neck portion will not cause short circuit also.02-11-2010
20090061305BATTERY CONTAINER UNIT - A battery container unit including: an enclosure; and a plurality of battery modules of cylindrical shape, wherein each adjacent pair of the electrode terminals is serially connected by a conductive linking member, the plurality of battery modules are provided in matrix form within the enclosure by a support member, a first cooling medium flow path is provided which linearly flows a cooling medium along in parallel with the electrode terminals and the conductive linking members of the plurality of battery modules in a region within the enclosure near an end in the axial direction of the plurality of battery modules, and a second cooling medium flow path is provided in a gap along the axial direction of the battery modules, between adjacent battery modules within the enclosure, which flows the cooling medium toward the first cooling medium flow path.03-05-2009
20120219848GALVANIC ELEMENT AS A DEVICE BATTERY - An improved housing for a galvanic element as a device battery, features an outer cup made of metal or plastic, which outer cup is coated, in particular galvanically, on the inside and outside with nickel or tin or cobalt or with an alloy containing nickel/cobalt, wherein the outer coating is arranged only in the two end areas of the cup, and the outer intermediate area between the two end areas does not have a coating. A method of making the device battery includes the steps of first, forming a substrate into a cylindrical cup shape, then coating all of the cup interior, but only exterior end regions of the cup with a coating of tin, nickel, or cobalt or a nickel- or cobalt-containing alloy, and finally applying an insulating layer along the entire axial exterior length of the cup, leaving the cup bottom free for use as a contact area. Leaving an exterior intermediate region uncoated conserves coating or plating material.08-30-2012
20110039151BATTERY LABEL - A battery label including an oriented face film having a front side and a rear side. An adhesive layer is on the rear side of the face film. The adhesive layer includes pressure sensitive adhesive. The face film includes cyclic olefin copolymer. A battery including a battery label and a method of forming a battery label.02-17-2011
20110045341CYLINDRICAL SECONDARY BATTERY - A secondary battery that includes a cylindrical can, an electrode assembly arranged in a jelly-role configuration within the cylindrical can and having a core extending about an axis thereof and a hollow center pin arranged within the core of the electrode assembly and having an inner diameter and an outer diameter, the outer diameter forming ones of a pair of radial lengths diametrically opposite from each other, each of said pair of radial lengths extending from the outer diameter of the center pin to an external surface of the core, wherein the sum of the pair of radial lengths is in the range of 5% to 54% of the inner diameter of the center pin.02-24-2011
20110229756CYLINDRICAL AAA ALKALINE DRY BATTERY - The invention relates to a cylindrical AAA alkaline dry battery including: a positive terminal protruding from one end face of the alkaline dry battery; a negative terminal protruding from the other end face; and an external label covering the alkaline dry battery. The diameter Dp (mm) and protruding height Hp (mm) of the positive terminal and the diameter Dn (mm) and protruding height Hn (mm) of the negative terminal satisfy the relation (1): 2.5≦Dn−Dp≦4.1 (1), and the relation (2): 0.8≦Hp−Hn≦1.1 (2). This permits easy and reliable identification of the polarities of the terminals, making it possible to provide a cylindrical AAA alkaline dry battery which is unlikely to be installed reversely.09-22-2011
20110236749SODIUM-METAL-HALIDE ENERGY STORAGE DEVICE WITH SODIUM LEVEL CONTROL MECHANISM - An energy storage device includes a housing having an interior surface defining a volume and a plurality of solid electrolyte elements disposed in the volume. Each solid electrolyte element has a first surface that defines at least a portion of a first, cathodic chamber, and a second surface that defines a second, anodic chamber. A plurality of individual anode chambers are thus provided, a majority of which are in ionic communication with the cathode chamber through a majority of the solid electrolyte elements and which are also provided with a sodium level control mechanism.09-29-2011
20100233526BATTERY - The metal foil of the positive electrode 09-16-2010
20100143791CATHODE ACTIVE MATERIAL, CATHODE INCLUDING THE CATHODE ACTIVE MATERIAL, AND LITHIUM BATTERY INCLUDING THE CATHODE - A cathode active material, a cathode including the cathode active material, and a lithium battery including the cathode. The cathode active material includes a lithium composite oxide and a lithium titanium oxide, wherein the lithium titanium oxide includes titanium having an average oxidation number of 4-y (006-10-2010
20100003596ALKALINE BATTERY - An alkaline battery includes a cathode mix containing a compound oxide of silver, cobalt, and nickel represented by Ag01-07-2010
20100167119METHOD FOR MANUFACTURING BATTERY CASE AND METHOD FOR MANUFACTURING HERMETIC BATTERY - A battery case is formed by drawing a metallic plate thin to form a cylindrical body 07-01-2010
20100167120Rechargeable battery - A rechargeable battery including an electrode assembly having an inner surface and including a positive electrode, a negative electrode, and a separator interposed therebetween, a case having a space for internally housing the electrode assembly, a cap assembly coupled to the case and electrically connected to the electrode assembly, and a core inside the electrode assembly, wherein the core has a length and includes a plurality of support portions contacting the inner surface of the electrode assembly, and a plurality of avoidance surfaces between the support portions and separated from the inner surface of the electrode assembly.07-01-2010
20080220327Electrode assembly and secondary battery with the same - An electrode assembly for a battery that can improve safety of the ceramic layer and increase lifetime capacity and high rate charge/discharge capacity and low temperature charge/discharge capacity of the electrode assembly. The electrode assembly having a porous ceramic layer coated on at least one surface of the positive electrode plate or the negative electrode plate to prevent an electrical short between the positive electrode plate and the negative electrode plate, where a main peak of pore size of the ceramic layer is in the range of 20 nm to 80 nm, and a secondary battery including the electrode assembly.09-11-2008
20130101894BATTERY, METHOD OF FORMING A BATTERY CELL CONTAINER, AND ELECTRONIC DEVICE - The present invention provides a battery, a method of forming a battery cell container, and an electronic device. The battery of the present invention comprises: a battery cell, and a battery cell container composed of two folded container portions formed by stretching in one thin sheet, wherein, in each container portion, among the planes where the walls of each container exist, at least two planes are inclined to the plane where the thin sheet section for forming the container portion exists. Through the implementation of the present invention, a larger volume of battery container can be obtained with the same or less material as well as easy positioning.04-25-2013

Patent applications in class Cylindrical unit cell type, e.g., cup container electrode, tubular electrode, casing, etc.

Patent applications in all subclasses Cylindrical unit cell type, e.g., cup container electrode, tubular electrode, casing, etc.