Patent application number | Description | Published |
20130273426 | SECONDARY BATTERY HAVING IMPROVED SAFETY - Disclosed is a secondary battery comprising an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode, the secondary battery comprising a HF scavenger. | 10-17-2013 |
20130273427 | SECONDARY BATTERY HAVING IMPROVED SAFETY - Disclosed is a secondary battery comprising an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode, the secondary battery comprising a moisture scavenger. | 10-17-2013 |
20130295440 | MOISTURE-LIMITED ELECTRODE ACTIVE MATERIAL, MOISTURE-LIMITED ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an electrode active material containing moisture in an amount less than 2,000 ppm per 1 g of lithium metal oxide or moisture in an amount less than 7,000 ppm per 1 cm | 11-07-2013 |
20130295455 | METHOD FOR PREPARING ELECTRODE MIX AND THE ELECTRODE MIX PREPARED BY USING THE SAME - Disclosed are a method for preparing an electrode mix comprising (i) adding an electrode active material, a conductive material and a binder to a solvent, (ii) further adding a surfactant to the mixture of step (i), and (iii) mixing the resulting mixture of step (ii) and an electrode mix for secondary batteries prepared by the method. | 11-07-2013 |
20130302668 | ELECTROLYTE FOR SECONDARY BATTERY AND THE SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an electrolyte for a secondary battery which includes a non-aqueous solvent and a lithium salt and a secondary battery including the same. The electrolyte includes 1 to 13 wt % of a silane-based compound based on a total weight of the electrolyte and thus improves safety of a secondary battery including the electrolyte. | 11-14-2013 |
20130302677 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode active material comprising a lithium manganese composite oxide with a spinel structure represented by the following Formula 1, wherein the lithium manganese composite oxide is surface-coated with a conductive polymer in an area of 30 to 100%, based on the surface area of the lithium manganese composite oxide: | 11-14-2013 |
20130302680 | ANODE ACTIVE MATERIAL AND THE SECONDARY BATTERY COMPRISING THE SAME - Disclosed is an anode active material comprising a lithium metal oxide represented by the following Formula 1, wherein the anode active material is surface-coated with a silane compound and a silicon content of the silane compound is 0.01 to 5% by weight, based on the total amount of the anode active material: | 11-14-2013 |
20130302681 | CATHODE ACTIVE MATERIAL AND THE SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode active material comprising a lithium nickel manganese composite oxide with a spinel structure represented by the following Formula 1, wherein the cathode active material is surface-coated with a silane compound and a silicon content of the silane compound is 0.01 to 5% by weight, based on the total amount of the cathode active material: | 11-14-2013 |
20130316223 | ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is an anode active material for secondary batteries enabling intercalation and deintercalation of lithium ions, the anode active material comprising lithium metal oxide containing a halogen atom. | 11-28-2013 |
20130320256 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is cathode active material comprising a combination of a lithium manganese composite oxide having a spinel structure represented by the following Formula 1 with a lithium nickel composite oxide represented by the following Formula 2, the cathode active material having a broad potential region at 3.0 to 4.8V upon initial charge: | 12-05-2013 |
20130330597 | ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material comprising a lithium metal oxide, and a metal powder reacting with lithium ions present in an electrolyte to form a lithium alloy, or a metal oxide, the metal powder or the metal oxide having a content of not lower than 1% by weight and not higher than 30% by weight, based on the total weight of an anode mix, and a lithium secondary battery comprising the same. | 12-12-2013 |