Patent application number | Description | Published |
20110091770 | RECHARGEABLE BATTERY, BIPOLAR ELECTRODE, AND METHOD OF MANUFACTURING RECHARGEABLE BATTERY - A rechargeable battery that can have high energy density and high power density. The rechargeable battery includes: bipolar electrodes including a current collector, a sealing layer that is formed at the edge of the current collector, a first electrode active material layer that is inserted into a space in that is formed within the sealing layer, and a second electrode active material layer that is formed at the opposite side of the first electrode active material layer; and a separator that is disposed between the bipolar electrodes, wherein the sealing layer is bonded with the sealing layer of neighboring bipolar electrodes. | 04-21-2011 |
20110104568 | Negative Electrode For Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and an active material layer formed on the current collector. The active material layer includes a solid solution of a metallic component, and an active material that is capable of forming a lithium-included compound, the metallic component selected from Cu, Ti, a Cu—X alloy, a Ti—X alloy, and a combination thereof. In the alloys, X is selected from an alkaline metal, an alkaline-earth metal, a Group | 05-05-2011 |
20110189544 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery that includes a core including a compound represented by the following Chemical Formula 1, and a carbon layer disposed on the core and including low crystalline carbon. | 08-04-2011 |
20110206998 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a positive active material and an activated carbon, a negative electrode including a negative active material, and a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes about 30 volume % to about 90 volume % of propylene carbonate. | 08-25-2011 |
20110274973 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The positive active material for a rechargeable lithium battery includes a composite material of a microporous carbon-based material and a lithium composite compound and a carbon layer on the surface of the composite material. | 11-10-2011 |
20110274978 | NEGATIVE ELECTRODE FOR ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE INCLUDING SAME - Disclosed is a negative electrode for an energy storage device, which includes a negative active material, and an additive including a ceramic core and carbon disposed on the surface of the ceramic core. | 11-10-2011 |
20110274979 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY - A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active material includes carbon particles having interplanar spacing (d002) ranging from about 0.34 nm to about 0.50 nm at a 002 plane, measured by X-ray diffraction using CuKα, and nitrogen on the surface of the carbon particles. | 11-10-2011 |
20110281164 | NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING THE SAME - A negative electrode active material including mesoporous silica having mesopores filled with a metal and a lithium battery including the same. | 11-17-2011 |
20110294014 | NEGATIVE ELECTRODE FOR SECONDARY LITHIUM BATTERY, AND SECONDARY LITHIUM BATTERY - Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material. | 12-01-2011 |
20110311431 | CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2θ=23°±5.0° and 2θ=26.5°±1.0° when X-ray diffraction is measured using a CuKα ray. The peak height at 2θ=23°±5.0° is higher than the one at 2θ=26.5°±1.0°. | 12-22-2011 |
20120003534 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY WITH HIGH VOLTAGE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode for a rechargeable lithium battery capable of providing a high voltage and a high voltage rechargeable lithium battery including the same, wherein the positive electrode includes a positive active material and a capacitor-reactive carbonaceous material having a specific surface area at or between 10 m | 01-05-2012 |
20120009478 | CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbonaceous material with a controlled interlayer spacing and a method of manufacturing the same. In one embodiment, a crystalline carbonaceous material has a layered structure including a plurality of layers and where a filler is present between the layers. The layers with the filler have an interlayer spacing d002 at a (002) plane, and the interlayer spacing d002 is at or between 0.335 nm and 1 nm when its X-ray diffraction is measured using a CuKα ray. | 01-12-2012 |
20120034522 | Active material for rechargeable lithium battery and rechargeable lithium battery - An active material for a rechargeable lithium battery and a rechargeable battery, the active material including an active material core; and a thin film graphite layer on the core. | 02-09-2012 |
20120034523 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material may include a metal oxide in an amount of about 20 wt % or more, and has a specific surface area of about 500 m | 02-09-2012 |
20120040249 | Negative active material for a rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same - A negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same, the negative active material including carbon core particles; a metallic material on the carbon core particles; and a carbon thin film covering the carbon core particles and the metallic material, wherein the carbon core particles have an interplanar spacing (d002) of about 0.34 nm to about 0.40 nm at a (002) plane measured by X-ray diffraction (XRD) using a CuKα ray, and the carbon thin film has a thickness of about 1 nm to about 500 nm. | 02-16-2012 |
20120045695 | Negative electrode for a rechargeable lithium battery and rechargeable lithium battery including the same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a negative active material; and a lithium ion adsorbent having a specific surface area of about 10 m | 02-23-2012 |
20120064405 | POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m | 03-15-2012 |
20120070745 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1. | 03-22-2012 |
20120107687 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1. | 05-03-2012 |
20120107693 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material: | 05-03-2012 |
20120196181 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive electrode includes a current collector; and a positive active material layer including an additive which is Li | 08-02-2012 |
20120301388 | CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2θ=23°±5.0° and 2θ=26.5°±1.0° when X-ray diffraction is measured using a CuKα ray. The peak height at 2θ=23°±5.0° is higher than the one at 2θ=26.5°±1.0°. | 11-29-2012 |
20130029220 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive electrode for a rechargeable lithium battery including a current collector and a positive active material layer disposed on the current collector, a method of manufacturing the positive electrode, and a rechargeable lithium battery including the positive electrode. Here, the positive active material layer includes a positive active material and a coating layer on the surface of the positive active material, wherein the coating layer is formed of a coating layer composition including carbon nano particles, polyvinylpyrrolidone, and polyvinylidene fluoride. | 01-31-2013 |
20130164624 | POSITIVE ACTIVE MATERIAL AND METHOD OF PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a positive active material that includes a core particle including a lithium-containing compound configured to reversibly intercalate and deintercalate lithium, and a coating layer on a surface of the core particle, the coating layer including a material including a carbon-fluorine (C—F) bond, a method of manufacturing the same, and a rechargeable lithium battery including the positive active material. | 06-27-2013 |
20130260252 | COMPOSITE ELECTRODE ACTIVE MATERIAL, ELECTRODE AND LITHIUM BATTERY CONTAINING THE COMPOSITE ELECTRODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE COMPOSITE ELECTRODE ACTIVE MATERIAL - In some aspects, a composite electrode active material including a core capable of intercalating and deintercalating lithium and a coating layer formed on at least a part of the surface of the core, wherein the coating layer includes a porous carbonaceous material is provided. | 10-03-2013 |
20130288111 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material. | 10-31-2013 |
20130288114 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A positive electrode for a rechargeable lithium battery includes a positive active material and activated carbon, wherein an average particle diameter of the activated carbon is about 100% to about 160% relative to 100% of an average particle diameter of the positive active material. | 10-31-2013 |
20130288125 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY INCLUDING SAME AND METHOD OF PREPARING RECHARGEABLE LITHIUM BATTERY - A positive electrode for a rechargeable lithium battery includes a positive active material, and a solid electrolyte interface (SEI) passivation film including an inorganic material and an organic material, the SEI passivation film having an average thickness of about 1 nm to about 20 nm on a surface of the electrode. | 10-31-2013 |
20130288130 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY INCLUDING SAME AND METHOD OF PREPARING RECHARGEABLE LITHIUM BATTERY - A negative electrode for a rechargeable lithium battery that includes a negative active material layer including a carbon-based material having a peak of about 20 degrees to 30 degrees at a (002) plane in an X-ray diffraction pattern using a CuKα ray, and an SEI (solid electrolyte interface) passivation film including at least one material selected from an organic material and an inorganic material and having an average thickness of about 10 nm to about 50 nm on the surface of the active material layer of the electrode. | 10-31-2013 |
20140120410 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode includes a current collector and a positive active mass layer on the current collector. The positive active mass layer includes a positive active material, active carbon, a conductive material, and a binder. The active mass density of the positive active mass layer and the thickness of the positive active mass layer satisfy Equation 1. | 05-01-2014 |
20140178764 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - In an aspect, a negative active material for a rechargeable lithium battery that includes amorphous carbon, wherein the amorphous carbon may generally have a relatively larger average lattice distance (d | 06-26-2014 |
20150229005 | ELECTROLYTE FOR LITHIUM BATTERY FOR SOLID STATE DRIVE BACKUP POWER AND LITHIUM BATTERY FOR SOLID STATE DRIVE BACKUP POWER INCLUDING THE SAME - An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBF | 08-13-2015 |
20150349335 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery includes a composite carbon particle including a core particle including crystalline-based carbon and a coating layer positioned on the surface of the core particle and including amorphous carbon. A peak intensity (I | 12-03-2015 |