Patent application number | Description | Published |
20110305944 | Electrode 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 |
20120107667 | RECHARGEABLE 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 |
20120244437 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m | 09-27-2012 |
20130011731 | CATHODE SLURRY COMPOSITION, CATHODE PREPARED FROM THE SAME, AND LITHIUM BATTERY COMPRISING THE CATHODE - A cathode slurry composition, a cathode prepared from the same, and a lithium battery comprising the cathode. The cathode slurry composition may include an aqueous binder, a cathode active material, and a non-transition metal oxide. | 01-10-2013 |
20130017442 | CATHODE ACTIVE MATERIAL COMPOSITION, CATHODE PREPARED BY USING THE SAME, AND LITHIUM BATTERY INCLUDING THE CATHODEAANM Cha; Jun-KyuAACI Yongin-siAACO KRAAGP Cha; Jun-Kyu Yongin-si KRAANM Han; Seung-HunAACI Yongin-siAACO KRAAGP Han; Seung-Hun Yongin-si KRAANM Jeong; Hye-SunAACI Yongin-siAACO KRAAGP Jeong; Hye-Sun Yongin-si KRAANM Kim; Ki-JunAACI Yongin-siAACO KRAAGP Kim; Ki-Jun Yongin-si KR - A cathode active material composition includes a cathode active material, a water-based binder, and a transition metal oxide. A cathode is prepared using the cathode active material composition. A lithium battery includes the cathode. The lithium battery has improved high-rate characteristics and lifespan characteristics by preventing an increase in internal resistance due to the corrosion of an electrode base material. | 01-17-2013 |
20130177807 | BINDER FOR ELECTRODE OF LITHIUM BATTERY AND LITHIUM BATTERY CONTAINING THE BINDER - A binder for an electrode of a lithium battery, and a lithium battery containing the binder. The binder includes: a carbon nanotube; and a polymer chemically bonded to the carbon nanotube, and thus may form a conducting path by improving dispersion of the carbon nanotube. Accordingly, the binder may have high capacity and improve the lifetime of the lithium battery. | 07-11-2013 |
20130177812 | Positive Electrode Material for Lithium Battery, Positive Electrode Prepared from the Positive Material, and Lithium Battery Including the Positive Electrode - A positive electrode material for a lithium battery, a positive electrode prepared from the positive electrode material, and a lithium battery including the positive electrode are disclosed. The positive electrode material includes a positive active material, an aqueous binder, and tungsten trioxide. Due to the inclusion of the positive active material, the aqueous binder, and the tungsten trioxide (WO | 07-11-2013 |
20130323592 | BINDER FOR ELECTRODE OF LITHIUM BATTERY, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE BINDER - A binder for an electrode of a lithium battery, an electrode including the binder, and a lithium battery including the binder. The binder includes an epoxy-phenolic resin and a rubber-based resin, and prevents deformation of an electrode even when expansion and contraction of an active material occur from charging and discharging operations of a lithium battery, and thus improves lifetime of the lithium battery. | 12-05-2013 |
20140038046 | ANODE, LITHIUM BATTERY COMPRISING THE ANODE, BINDER COMPOSITION, AND METHOD OF MANUFACTURING THE ELECTRODE - An anode including; an anode active material; and a porous binder including a nanopore, wherein an anode mixture density is about 1.5 g/cc or greater, a lithium battery including the anode, a binder composition, and a method of manufacturing the electrode. | 02-06-2014 |
20140106218 | POLYMER ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE POLYMER AND LITHIUM SECOND BATTERY EMPLOYING THE ELECTRODE - A polymer includes a first repeating unit having a cationic group and a second repeating unit having an anionic group. The polymer may further include a third repeating unit having a non-ionic group. The polymer may include first and second polymers, each of which includes a first repeating having a cationic group and a second repeating unit having an anionic group. The cationic group of the first polymer may form an intermolecular bond with the anionic group of the second polymer, and the anionic group of the first polymer may form an intermolecular bond with the cationic group of the second polymer. An electrode for a lithium secondary battery includes the polymer, and a lithium secondary battery employs the electrode. | 04-17-2014 |
20140308565 | SEPARATOR AND LITHIUM BATTERY INCLUDING THE SEPARATOR - A separator including a porous base material layer and a coating layer disposed on at least one surface of the porous base material layer, wherein the coating layer includes the binder composition, and a binder film comprising the binder composition has an elongation of 10% or less measured after maintaining the binder film under a load of 50 g at 150° C. for 10 minutes, and a lithium battery including the same. | 10-16-2014 |