Patent application number | Description | Published |
20090155692 | SURFACE TREATED ANODE ACTIVE MATERIAL AND METHOD OF MAKING THE SAME, ANODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - An anode includes a collector; and an anode active material layer disposed on the collector comprises an anode active material, which is lithium oxide coated Li | 06-18-2009 |
20090191464 | ORGANIC ELECTROLYTIC SOLUTION COMPRISING CYCLOOLEFIN MONOMER AND LITHIUM BATTERY EMPLOYING THE SAME - An organic electrolytic solution includes a lithium salt; an organic solvent containing a high dielectric constant solvent; and a polymerizable cycloolefin monomer, and an lithium battery employing the same. The organic electrolytic solution prevents decomposition of an electrolyte, and thus the lithium battery employing the organic electrolytic solution has improved cycle characteristics and lifetime. | 07-30-2009 |
20100143804 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - An anode active material includes a material alloyable with lithium coated with an oxide including lithium or coated with a complex of an oxide including lithium and an electrically conductive material. An anode of a lithium secondary battery includes the anode active material. | 06-10-2010 |
20120100439 | ELECTROLYTE SOLUTION FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY INCLUDING THE ELECTROLYTE SOLUTION - An electrolyte solution for a secondary lithium battery, the electrolyte solution including: a lithium salt, a non-aqueous organic solvent, and a phenanthroline-based compound having a polar substituent. The electrolyte solution enables production of a secondary lithium battery having good high-temperature lifetime characteristics and good high-temperature preservation characteristics. | 04-26-2012 |
20120121990 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte comprising: a lithium salt, a non-aqueous organic solvent, and an additive represented by Formula 1 below: | 05-17-2012 |
20120251892 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery including a lithium salt, a nonaqueous organic solvent, and an additive, in which the additive is composed of one or more compounds including a purinone or a purinone derivative. The lithium secondary battery with improved life and high-temperature storage may be provided by using the electrolyte for a lithium secondary battery according to an embodiment of the present invention. | 10-04-2012 |
20120251895 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by Formula 1 below: | 10-04-2012 |
20130078533 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and a polar additive based on a substituted hetero-bicyclic compound. Oxidation of the electrolyte is prevented by formation of a polar thin film on a surface portion of the positive electrode, which facilitates transfer of lithium ions. The lithium secondary batteries using the electrolyte have excellent high temperature life characteristics and high temperature conservation characteristics. | 03-28-2013 |
20140377655 | COMPOSITE CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY EACH INCLUDING THE COMPOSITE CATHODE ACTIVE MATERIAL - A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material. | 12-25-2014 |
20150064578 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt; a non-aqueous organic solvent; and a piperazine derivative represented by Formula 1 having an oxidation potential lower than an oxidation potential of the non-aqueous organic solvent by about 2 V to about 4 V: | 03-05-2015 |
20150079465 | COMPOSITE CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND CATHODE AND LITHIUM BATTERY CONTAINING THE SAME - A composite cathode active material including a lithium metal oxide including an oxide Formula 1 and sulfur, | 03-19-2015 |