Patent application number | Description | Published |
20120135290 | OLIVINE-BASED POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY USING SAME - Disclosed is an olivine-based positive active material for a rechargeable lithium battery and a rechargeable lithium battery using the same, wherein the olivine-based positive active material for a rechargeable lithium battery is represented the following Formula 1. | 05-31-2012 |
20120225354 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING SAME AND LITHIUM SECONDARY BATTERY INCLUDING SAME - Disclosed are a positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the same. In particular, the positive active material has a carbon sheet having a structure including 1 to 200 polycyclic nano sheets comprising a plurality of hexagonal rings each having six carbon atoms condensed and substantially aligned in a plane containing the hexagonal rings, the polycyclic nano sheets layered in a vertical direction to the plane containing the hexagonal rings; and an olivine-based compound particle disposed on the surface of the carbon sheet. | 09-06-2012 |
20120270103 | Negative active for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same - A negative electrode for a lithium rechargeable battery includes a current collector, and a negative active material layer on the current collector, the negative active material layer including a silicon-based active material, a carbon-based active material, and an aqueous additive including an aqueous binder and an agent for increasing viscosity, the silicon-based active material being coated with an organic binder, wherein the aqueous additive is between portions of the silicon-based active material, between portions of the carbon-based active material, or between the silicon-based active material and the carbon-based active material. | 10-25-2012 |
20130065129 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided is a positive electrode for a rechargeable lithium battery including a positive active material including a lithium phosphate compound particle and fiber-type carbon attached inside the lithium phosphate compound particle, a method of preparing the same, and a rechargeable lithium battery including the same. | 03-14-2013 |
20130164622 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery including a compound represented by the following Chemical Formula 1: | 06-27-2013 |
20130302685 | COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY EACH USING THE SAME - In one aspect, a composite cathode active material including at least one large-diameter active material, and at least one small-diameter active material, a cathode including the composite cathode active material and a lithium battery including the cathode is provided. | 11-14-2013 |
20140065483 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide. | 03-06-2014 |
20150017535 | CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING THE CATHODE ACTIVE MATERIAL - A cathode active material, a preparation method thereof, and a cathode for a lithium secondary battery and a lithium secondary battery including the cathode active material, wherein the cathode active material includes a core active material represented by Formula 1 below; and a coating layer formed on a surface of the core active material, the coating layer including lithium gallium oxide: | 01-15-2015 |
20150017537 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. | 01-15-2015 |
20150024270 | ELECTRON COLLECTOR STRUCTURE AND LITHIUM BATTERY CONTAINING THE SAME - An electron collector structure and a lithium battery including the same are disclosed. The electron collector structure includes a conductive thin film; and a graphene layer that is coated on the surface of the conductive thin film and may improve the electrical conductivity of an electrode plate. As an electrode of the lithium battery includes the electron collector structure, the electrical conductivity of the electrode may be increased so that the energy consumption properties as well as the lifespan characteristics of the lithium battery may be also improved. | 01-22-2015 |
20150044563 | COMPOSITE PRECURSOR, COMPOSITE PREPARED THEREFROM, A METHOD OF PREPARING A COMPOSITE PRECURSOR AND A COMPOSITE, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. | 02-12-2015 |