Patent application number | Description | Published |
20080220336 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - The electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent including 10 to 20 volume % of cyclic carbonate, a dinitrile-based compound, and a lithium salt. The electrolyte can prevent a voltage drop when the rechargeable lithium battery is exposed to high temperatures for a long period of time. | 09-11-2008 |
20080248397 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: | 10-09-2008 |
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 |
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 |
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 |
20110117442 | Polymer Composition for Rechargeable Lithium Battery, Method of Preparing Same, and Rechargeable Lithium Battery Including Same - A polymer composition for a rechargeable lithium battery including a polymer of a first monomer selected from methylmethacrylate (MMA), acrylonitrile (AN), or a combination thereof, and a second monomer of ethylene oxide (EO), as well as a lithium salt. | 05-19-2011 |
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 |
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 |
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 |
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 |
20130095364 | SECONDARY BATTERY - A secondary battery including: an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; a safety device on the cap plate and including a first lead; and an electrode terminal electrically connecting the electrode assembly and the first lead, the cap plate including a conductive member and an insulating portion, and the first lead is supported on the insulating portion, and the conductive member and the insulating portion being integrally formed. | 04-18-2013 |
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 |
20140147704 | RECHARGEABLE BATTERY AND RECHARGEABLE BATTERY PACK INCLUDING THE SAME - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, a can having a hexahedral shape with one opened side to accommodate the electrode assembly therein, the can further including a first side surface and a second side surface, the second side surface being opposite to the first side surface, a cap plate sealing the opened side of the can, and an insulation film attached to at least one side surface selected from the first side surface and the second side surface. | 05-29-2014 |
20140170473 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, an electrolyte having viscosity of about 1 Pa·s to about 15 Pa·s at a temperature from about 20° C. to about 25° C., a can having an opening on one surface through which the electrode assembly is inserted, the electrode assembly and the electrolyte being accommodated inside the can, and a cap plate that seals the opening of the can. A ratio of the height of the can to a cross-sectional area of the can is from about 12.5% to about 25%. | 06-19-2014 |
20140170474 | RECHARGEABLE BATTERY - A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly that comprises a first electrode plate, a second electrode plate, and a separator interposed between the first and second electrode plates. The battery also includes a can having an opening and accommodating the electrode assembly therein, wherein the can comprises a plurality of corner units, wherein at least one of the corner units is rounded, and wherein the outer radius of curvature of the at least one corner unit is greater than the inner radius of curvature thereof. The battery further includes a cap plate substantially sealing the opening of the can. | 06-19-2014 |
20140212709 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate, a can having an opening at one side thereof through which the electrode assembly is inserted, the electrode assembly being accommodated in the inside of the can, and a cap plate that seals the opening of the can. The can includes a first vent on a first side surface of the can, and a second vent on a second side surface of the can. | 07-31-2014 |
20140220424 | RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate, a can in which the electrode assembly is accommodated, the can including an opening at one side, the opening being hermetically sealed by a cap plate, and a top plate on the cap plate. The top plate includes a first welding unit and a second welding unit that are coupled to the cap plate, and a third welding unit that is between the first welding unit and the second welding unit. The first welding unit is connected to the cap plate and includes first through third welding points. The first through third welding points collectively forming a triangular shape. | 08-07-2014 |