Patent application number | Description | Published |
20130022870 | ANODE ACTIVE MATERIAL INCLUDING A MULTILAYER METAL NANOTUBE, ANODE INCLUDING THE ANODE ACTIVE MATERIAL, LITHIUM BATTERY INCLUDING THE ANODE, AND METHOD OF PREPARING THE ANODE ACTIVE MATERIAL - An anode active material, an anode including the anode active material, a lithium battery including the anode, and a method of preparing the anode active material. The anode active material includes: a multilayer metal nanotube including: an inner layer; and an outer layer on the inner layer, wherein the inner layer includes a first metal having an atomic number equal to 13 or higher, and the outer layer includes a second metal different from the first metal. | 01-24-2013 |
20130202968 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE NEGATIVE ELECTRODE - A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of a | 08-08-2013 |
20130260205 | FLEXIBLE SECONDARY BATTERY - A flexible battery a first electrode layer, a first current collector layer disposed on the first electrode layer, where a plurality of through-holes is defined in the first current collector layer, a separator disposed on the first current collector layer, a second current collector layer disposed on the separator, where a plurality of through-holes is defined in the second current collector layer, and a second electrode layer disposed on the second current collector layer. | 10-03-2013 |
20140079979 | FLEXIBLE SECONDARY BATTERY - A flexible secondary battery includes an electrode stack structure. The electrode stack structure includes a first electrode layer including a first metal current collector, a second electrode layer including a second metal current collector, an isolation layer between the first electrode layer and the second electrode layer, connection tabs respectively extended from an end portion of the first metal current collector at a first end portion of the first electrode layer and an end portion of the second metal current collector at a first end portion of the second electrode layer; and a fixing element which fixes the end portions of the first and second metal current collectors only at a first end portion of the electrode stack structure. Second end portions of the first and second electrode layers opposite to the first end portions thereof are movable. | 03-20-2014 |
20140120418 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE - A negative active material, a method of preparing the same, and a lithium secondary battery including the negative electrode. The negative active material includes a plurality of titanium oxide nanotubes, wherein the Raman shift of the negative active material includes a characteristic peak located at a Raman shift between about 680 cm | 05-01-2014 |
20140131630 | POLYMER COMPOSITION FOR LITHIUM SECONDARY BATTERY, ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - A polymer including a first repeating unit represented by Formula 1, a polymer composition for a lithium battery including the polymer, an electrode for a lithium battery including the polymer composition, and a lithium battery including the electrode: | 05-15-2014 |
20140170467 | STACK TYPE BATTERY - A stack type battery includes a stack including: a plurality of cathode sheets; a plurality of anode sheets, which are alternately disposed with the cathode sheets; and a plurality of separators, where each of the separator is disposed between a corresponding cathode sheet of the cathode sheets and a corresponding anode sheet of the anode sheets, where the stack includes first to third protrusions, the first protrusion includes a portion of the cathode sheets which does not overlap the anode sheets and the separators, and the second protrusion includes a portion of the anode sheets which does not overlap the cathode sheets and the separators. | 06-19-2014 |
20140295273 | ANODE, LITHIUM BATTERY INCLUDING THE ANODE, AND METHOD OF PREPARING THE ANODE - An anode, a lithium battery including the anode, and a method of manufacturing the anode. The anode includes: an anode active material including a metal alloyable with lithium; and a metal-carbon composite conducting agent having a density of 3.0 grams per cubic centimeter or greater. | 10-02-2014 |