Patent application number | Description | Published |
20080233479 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials for rechargeable lithium batteries are provided. One negative active material includes at least one Si active particle and a metal matrix surrounding the Si active particle. The metal matrix does not react with the Si active particle. The negative active material has a martensite phase when X-ray diffraction intensity is measured using a CuKα ray. The negative active material has improved efficiency and cycle-life. | 09-25-2008 |
20080233480 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Negative active materials and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes an intermetallic compound of Si and a metal, and a metal matrix including Cu and Al. The negative active material may provide a rechargeable lithium battery having high capacity and excellent cycle-life and cell efficiency. | 09-25-2008 |
20080248389 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials for rechargeable lithium batteries are provided. One negative active material includes a metal matrix, and an intermetallic compound including a Si active metal and an additive metal dispersed in the metal matrix. The intermetallic compound does not react with the metal matrix. | 10-09-2008 |
20080268338 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer disposed on the current collector. The negative active material layer includes a metal-based negative active material and sheet-shaped graphite and has porosity of 20 to 80 volume %. The negative electrode for a rechargeable lithium battery can improve cell characteristics by inhibiting volume change and stress due to active material particle bombardment during charge and discharge, and by decreasing electrode resistance. | 10-30-2008 |
20080292972 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode comprising lithium-vanadium oxide having the following Formula 1 and being capable of intercalating and deintercalating lithium ions, and a carbon-based material; a positive electrode comprising a positive active material capable of intercalating and deintercalating lithium ions; and an electrolyte comprising a monomer including alkylene oxide and a reactive double bond, a lithium salt, and a non-aqueous organic solvent. | 11-27-2008 |
20100273050 | NEGATIVE 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. | 10-28-2010 |
20110045333 | RECHARGEABLE BATTERY AND BATTERY MODULE - A rechargeable battery that can improve heat dissipating characteristics is provided. The rechargeable battery comprises: an electrode group including a positive electrode; an electrode group that has at least one terminal; a case that defines a recess that receives the electrode group wherein the case includes an opening that provides access to the recess; a film cover that extends over the opening so as to secure the electrode group within the recess of the case; and a heat dissipating member positioned on the case so as extend outward from the case to dissipate heat from the recess containing the electrode group. | 02-24-2011 |
20110052965 | BATTERY MODULE - A battery module includes a plurality of rechargeable batteries, each rechargeable battery including a case having an opening at one side and an electrode assembly inserted inside the case; and a sealing layer disposed between an opening of at least one case and a case of a neighboring rechargeable battery, wherein the opening of the at least case is covered by the case of the neighboring rechargeable battery. | 03-03-2011 |
20110083727 | PHOTOELECTRODE FOR DYE SENSITIZED SOLAR CELL, METHOD OF MANUFACTURING THE SAME, AND DYE SENSITIZED SOLAR CELL USING THE SAME - A photoelectrode for a dye sensitized solar cell, a method of preparing the same, and a dye sensitized solar cell using the photoelectrode. The photoelectrode includes mesoporous titanium dioxide particles with an average particle diameter in a range of about 100 to about 2000 nm and a specific surface area in a range of about 150 to about 300 m | 04-14-2011 |
20110086262 | RECHARGEABLE BATTERY - A rechargeable battery is disclosed. The rechargeable battery comprises: a central electrode portion comprising a positive electrode, a negative electrode and a separator; a first electrode portion extending from a first end of the central electrode portion; a second electrode portion extending from a second end of the central electrode portion opposite the first end; a central case enclosing the central electrode portion; a first electrode case enclosing the first electrode portion, wherein the first electrode case is coupled to the central case such that an overlapping part of the first electrode case encloses a part of the central electrode portion at the first end, and the central case encloses the overlapping part of the first electrode case; and a second electrode case enclosing the second electrode portion, wherein the second electrode case is coupled to the central case such that an overlapping part of the second electrode case encloses a part of the central electrode portion at the second end, and the central case encloses the overlapping part of the second electrode case. | 04-14-2011 |
20110097622 | RECHARGEABLE BATTERY - A rechargeable battery that includes: an electrode assembly generating a current; a case accommodating the electrode assembly therein; and a cap assembly coupled to the case so as to be electrically connected with the electrode assembly. The electrode assembly includes a first electrode, a separator, and a second electrode that are sequentially stacked, and the separator includes a main body part disposed between the first and second electrodes and protrusions formed that protrude from the main body part to the side of at least one of an end portion of the first electrode and an end portion of the second electrode. | 04-28-2011 |
20110101849 | PLASMA DISPLAY PANEL - A plasma display panel (PDP) includes: a front substrate facing a rear substrate; first and second discharge enhancement layers disposed between the front and rear substrates and arranged on both sides of a main discharge space; first and second barrier ribs respectively formed on the first and second discharge enhancement layers and defining first and second asymmetric stepped spaces along with the first and second discharge enhancement layers; a scan electrode and a common electrode inducing a mutual discharge in the main discharge space; an address electrode generating an address discharge along with the scan electrode and extending in a direction to intersect the scan electrode; a phosphor layer formed in at least the main discharge space; and a discharge gas filled in the main discharge space and the first and second stepped spaces. Accordingly, the PDP having high efficiency may operate with low power and obtain high luminous brightness. | 05-05-2011 |
20110104568 | Negative Electrode For Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and an active material layer formed on the current collector. The active material layer includes a solid solution of a metallic component, and an active material that is capable of forming a lithium-included compound, the metallic component selected from Cu, Ti, a Cu—X alloy, a Ti—X alloy, and a combination thereof. In the alloys, X is selected from an alkaline metal, an alkaline-earth metal, a Group | 05-05-2011 |
20110111289 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a current collector, a positive active material layer on the current collector and including a lithium manganese-based positive active material, and a protective layer on the positive active material layer and including a phosphite-based compound; a negative electrode; and an electrolyte coupled with the positive electrode and the negative electrode and including a lithium salt, a non-aqueous solvent, and an additive. | 05-12-2011 |
20110117438 | ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY USING THE SAME - An electrode assembly and a rechargeable battery using the same include a positive electrode including a positive current collector and a positive active material on the positive current collector; a negative electrode including a negative current collector and a negative active material on the negative current collector; an outer electrode including an outer current collector and an outer active material on the outer current collector, wherein the outer current collector includes an outer surface facing away from an outer separator and an inner surface facing toward the outer separator, and the outer active material is on both the outer surface and the inner surface, and wherein a thickness of the outer active material is less than at least one of a thickness of the positive active material or a thickness of the negative active material. | 05-19-2011 |
20110123855 | RECHARGEABLE BATTERY - A rechargeable battery comprises an electrode assembly comprising an anode, a cathode, and a separator, a case for receiving the electrode assembly, and an electrode terminal electrically connected to the electrode assembly and drawn outside the case. The anode and the cathode each comprises an electrode uncoated region exposed past the separator and including a current collector at an edge. The electrode terminal comprises a terminal plate having a first terminal portion adhered to a bottom surface of the current collector and a second terminal portion drawn outside the case, and a combiner installed on the terminal plate to surround and adhere to a side surface and a top surface of the current collector. | 05-26-2011 |
20110123857 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly having a plurality of first electrodes each including a first coated region coated with a first active material and a first uncoated region having a first alignment opening and a second alignment opening, a plurality of second electrodes each including a second coated region coated with a second active material and a second uncoated region having a third alignment opening and a fourth alignment opening, a separator between each first coated region and each second coated region; and a case housing the electrode assembly, wherein the first alignment openings are substantially aligned with each other, the second alignment openings are substantially aligned with each other, the third alignment openings are substantially aligned with each other, and the fourth alignment openings are substantially aligned with each other. | 05-26-2011 |
20110123863 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive electrode and a rechargeable lithium battery including the same, the positive electrode including a current collector and a positive active material layer disposed on the current collector. The positive active material layer includes a positive active material and a binder including an ion conductive polymer including a carboxylate group. | 05-26-2011 |
20110123864 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR MANUFACTURING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including a positive active material and a binder and having a thickness of about 150 μm or more, a method of manufacturing the same, and a rechargeable lithium battery including the same. | 05-26-2011 |
20110123869 | Flame retardant electrolyte solution for rechargeable lithium battery and rechargeable lithium battery including the same - Disclosed are a flame retardant electrolyte solution for a rechargeable lithium battery including a lithium salt, a linear carbonate-based solvent, an ionic liquid including ammonium cations, and a phosphoric acid-based solvent, and a rechargeable lithium battery including the same. | 05-26-2011 |
20110143198 | BINDER AND POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A rechargeable lithium battery includes a binder for a rechargeable lithium battery, and a positive active material composition. The binder for the rechargeable lithium battery includes a nitrile-based polymer nanoparticle and a fluorine-containing polymer nanoparticle. | 06-16-2011 |
20110151307 | RECHARGEABLE BATTERY - A rechargeable battery comprises: an electrode assembly comprising a plurality of positive electrode plates, a plurality of negative electrode plates, and a plurality of separators; and a case enclosing the electrode assembly; wherein each separator in the plurality of separators comprises a central portion facing at least one of the positive and negative electrode plates, and an extended portion that extends past the positive and negative electrode plates, and wherein each of the extended portion comprises an adhered portion that is adhered to adjacent extended portions. | 06-23-2011 |
20110165465 | Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same - A negative active material for a rechargeable lithium battery, a method of preparing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material has a composite of an active material and crystalline carbon. The active material includes a core and a carbon coating layer formed on the core and including amorphous carbon. The core includes a compound represented by a Chemical Formula LixTiyO | 07-07-2011 |
20110177378 | ELECTRODE ASSEMBLAGE AND RECHARGEABLE BATTERY USING THE SAME - An electrode assemblage includes a first electrode assembly with first electrodes. Each first electrode has a porous first electrode current collector with a plurality of pores, and first electrode active material layers attached to the porous first electrode current collector. The electrode assemblage further includes a second electrode having a second electrode current collector and second electrode active material layers attached to the second electrode current collector, and also includes a separator disposed between the first electrode assembly and the second electrode. | 07-21-2011 |
20110189544 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery that includes a core including a compound represented by the following Chemical Formula 1, and a carbon layer disposed on the core and including low crystalline carbon. | 08-04-2011 |
20110217588 | SECONDARY 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 |
20110223448 | RECHARGEABLE BATTERY - A rechargeable battery including: an electrode assembly; and a case including a receiving portion to house the electrode assembly, a junction portion disposed around the receiving portion, formed by bonded films of the case, and gas outlet disposed in the junction portion. The gas outlet includes a first block portion, a second block portion, and a buffering space disposed between the first and second block portions. | 09-15-2011 |
20110287301 | 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, 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 |
20110287308 | POUCH FOR RECHARGEABLE BATTERY, FABRICATING METHOD OF THE SAME, AND RECHARGEABLE BATTERY INCLUDING THE POUCH - A pouch for a rechargeable battery having stability by ensuring durability, a manufacturing method thereof, and a rechargeable battery including the same. The pouch includes a case having an opening and including a bottom surface portion, a side portion located along a periphery of the bottom surface portion and including at least one step portion, and a sealing portion located along a periphery of the side portion, and a cover configured to cover the opening of the case. | 11-24-2011 |
20120015244 | ELECTRODE 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 |
20120064398 | POSITIVE 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 |
20120094175 | NEGATIVE 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 |
20120104312 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The present invention relates to negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials. A negative active material for a rechargeable lithium battery includes a core including a material capable of carrying out reversible oxidation and reduction reactions and a coating layer formed on the core. The coating layer has a reticular structure. | 05-03-2012 |
20120107676 | RECHARGEABLE 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 |
20120107694 | Positive Electrode Protective Layer Composition, Rechargeable Lithium Battery Including Protective Layer for Positive Electrode and Method of Manufacturing Same - A positive electrode protective layer composition of a rechargeable lithium battery includes a polymer compound and an ionic liquid including a borate-based anion. A rechargeable lithium battery includes the positive electrode protective layer. A method of manufacturing the same is also provided. | 05-03-2012 |
20120107697 | Electrolyte for lithium ion battery, and lithium ion battery including same - An electrolyte for a lithium ion battery includes a non-aqueous organic solvent and a lithium salt. The non-aqueous organic solvent includes a flame-retardant solvent and a carbonate-based solvent. The flame-retardant solvent includes an ionic liquid including a fluorinated cation and a phosphorus-based solvent. | 05-03-2012 |
20120169129 | Energy Storage Device - An energy storage device formed by a combination of aqueous battery unit cells and non-aqueous battery unit cells is provided. The energy storage device comprises a first energy storage module formed by connecting at least one of aqueous battery unit cells in series and a second energy storage module formed by connecting at least one of lithium ion battery unit cells in series, wherein the first energy storage module and the second energy storage module are connected in parallel, the lithium ion battery unit cell is formed of a cathode active material such as LiFePO | 07-05-2012 |
20120231341 | POSITIVE ACTIVE MATERIAL, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE POSITIVE ACTIVE MATERIAL - Embodiments of the present invention are directed to a positive active material, an electrode including the positive active material, and a lithium battery including the electrode. Due to the inclusion of a phosphate compound having an olivine structure and a lithium nickel composite oxide in the positive active material, the positive active material has high electric conductivity and high electrode density. A lithium battery manufactured using the positive active material has high capacity and good high-rate characteristics. | 09-13-2012 |
20130011732 | SECONDARY BATTERY - A secondary battery includes a base material, an intermediate layer including a carbon material on the base material, and an active material layer on the intermediate layer. A secondary battery including an intermediate layer may improve adhesion between the base material and the active material layer, thereby reducing the risk of separation of the active material from the base material and improving the reliability and lifetime of the secondary battery. | 01-10-2013 |
20130087737 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials for rechargeable lithium batteries, manufacturing methods thereof, and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes a compound represented by the Formula Li | 04-11-2013 |
20130189585 | NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, A METHOD OF PREPARING THE SAME, AND A RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - Negative active materials for rechargeable lithium batteries, methods of manufacturing the negative active materials, and rechargeable lithium batteries including the negative active materials are provided. One negative active material includes an active metal core and a crack inhibiting layer formed on the core. The crack inhibiting layer includes a carbon-based material. | 07-25-2013 |
20140038032 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly, a case, and an electrode terminal. The electrode assembly including at least a central negative electrode, a pair of positive electrodes disposed on opposite side of the central negative electrode, and pair of outermost negative electrodes adjacent the pair of positive electrodes with a separator separating all the electrodes from each other. The pair of outermost negative electrodes respectively include a negative current collector and negative active material layers formed on both sides of the negative current collector. The case receives the electrode assembly. The electrode terminal includes a positive terminal connected to a positive electrode and a negative terminal connected to a negative electrode. | 02-06-2014 |
20140234535 | NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, A METHOD OF PREPARING THE SAME, AND A RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - The present invention relates to a negative active material for a rechargeable lithium battery, which includes a silicon-based composite having a silicon oxide of the form SiO | 08-21-2014 |