Patent application number | Description | Published |
20140183407 | CATHODE ACTIVE MATERIAL COMPOSITION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a cathode active material composition including an xLi | 07-03-2014 |
20150104707 | CATHODE MATERIAL COMPOSITE HAVING IMPROVED CONDUCTIVITY, CATHODE AND ELECTROCHEMICAL DEVICE HAVING THE SAME - The present disclosure refers to a cathode material composite having improved conductivity, and a cathode and electrochemical device having the cathode material composite. In accordance with one embodiment of the present disclosure, a conductive polymer is positioned on the surface of a shell present in the form of a tetragonal structure in the lithium manganese oxide, thereby enhancing electrical conductivity to be highly involved in reaction around 3V, and providing a conductive path to improve the capacity, life and rate characteristics of an electrochemical device. | 04-16-2015 |
20150118524 | METHOD FOR REMOVING GAS GENERATED IN LITHIUM SECONDARY BATTERY - The present disclosure provides a method for removing gases generated in a lithium secondary battery using a cathode active material of the following formula (I) | 04-30-2015 |
20150118542 | METHOD FOR PREPARING LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY PREPARED THEREFROM - The present disclosure provides a method for preparing a lithium secondary battery by bringing a first cell using a first cathode active material of formula (I) | 04-30-2015 |
20150357671 | STACK-FOLDING TYPE ELECTRODE ASSEMBLY - The present disclosure provides a stack-folding type electrode assembly in which a plurality of full cells or bicells as unit cells is stacked on top of each other and surrounded by a second separator, each cell including a positive electrode, a negative electrode, and a first separator interposed between the positive electrode and the negative electrode, wherein a first binder is coated on at least a partial surface of the first separator, a second binder is coated on at least a partial surface of the second separator, and a content of the second binder is higher than a content of the first binder, to inhibit a loose phenomenon inside a battery, make the battery less prone to expansion, and have deformation resistance to an external impact. | 12-10-2015 |
20150364760 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to a positive electrode for a lithium secondary battery including an electrode current collector, and a positive electrode active material layer coated on at least a part of the electrode current collector, wherein the positive electrode active material layer includes a manganese-based positive electrode active material, and a porosity is from 30% to 35%, to improve high-temperature storage characteristics and high-temperature cycle characteristics. | 12-17-2015 |