Patent application number | Description | Published |
20120094186 | SOLID ELECTROLYTE, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY COMPRISING SOLID ELECTROLYTE AND SOLID ELECTROLYTE PARTICLES - Disclosed is a solid electrolyte including particles comprising Li | 04-19-2012 |
20120135318 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - Disclosed is a positive active material for a rechargeable lithium battery, which includes an active material capable of reversibly intercalating/deintercalating lithium and lithium polysulfide. | 05-31-2012 |
20120183853 | Positive Active Material for Rechargeable Lithium Battery, Method of Manufacturing the Same and Rechargeable Lithium Battery Using the Same - A positive active material for a rechargeable lithium battery includes a positive active material compound including a metal compound for intercalating and deintercalating lithium, a coating particle having an embedded portion embedded into the active material compound and a protruding portion protruding from the surface of the active material, and a rechargeable lithium battery including the positive active material. | 07-19-2012 |
20120231322 | Positive active material for rechargeable lithium battery, method of manufacturing the same and rechargeable lithium battery using the same - A positive active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery using the same, the positive active material including a secondary particle formed of a plurality of primary particles, the primary particles being made of a metal compound capable of intercalating/deintercalating lithium; and a coating layer on a surface of the secondary particle in an island arrangement, the coating layer including a metal oxide, wherein the secondary particle includes pores formed by the primary particles, the pores including a surface pore on the surface of the secondary particle and an internal pore inside the secondary particle, and the metal oxide of the coating layer fills a portion of the surface pore of the secondary particle. | 09-13-2012 |
20120231349 | SOLID ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A solid electrolyte for a rechargeable lithium battery includes a compound represented by Li | 09-13-2012 |
20120251882 | COMPOSITE, ELECTRODE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY INCLUDING THE COMPOSITE, METHOD OF PREPARING THE COMPOSITE, ANODE FOR SECONDARY LITHIUM BATTERY INCLUDING THE ELECTRODE ACTIVE MATERIAL, AND SECONDARY LITHIUM BATTERY INCLUDING THE ANODE - A composite includes a compound selected from the group consisting of a lithium lanthanum zirconium oxide and a lithium lanthanum tantalum oxide; a lanthanum oxide; and an oxide selected from the group consisting of a lanthanum zirconium oxide and a lanthanum tantalum oxide. An electrode active material for a secondary lithium battery may include such composite. Methods of preparing the composite, an electrode for a secondary lithium battery including the electrode active material, and a secondary lithium battery including the electrode are disclosed. | 10-04-2012 |
20120301788 | ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, ELECTRODE FOR LITHIUM SECONDARY BATTERY WHICH INCLUDES THE SAME, AND LITHIUM SECONDARY BATTERY USING THE ELECTRODE - An electrode active material including a core active material and a coating layer, including a compound represented as the following Formula 1, on a surface of the core active material, a method of preparing the same, an electrode for a lithium secondary battery which includes the same, and a lithium secondary battery using the electrode. | 11-29-2012 |
20120328958 | SOLID ELECTROLYTE, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY CONTAINING THE SOLID ELECTROLYTE - A solid electrolyte includes a sulfide-based electrolyte and a coating film including a water-resistant, lithium conductive polymer on a surface of the sulfide-based electrolyte, a method of preparing the solid electrolyte, and a lithium battery including the solid electrolyte. | 12-27-2012 |
20130089786 | ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE ELECTRODE ACTIVE MATERIAL, ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME - An electrode active material for a lithium secondary battery, a method of preparing the electrode active material, an electrode for a lithium secondary battery which includes the same, a lithium secondary battery using the electrode. The electrode active material includes a core active material and a coating layer including magnesium aluminum oxide (MgAlO | 04-11-2013 |
20130196233 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE - A negative active material for a rechargeable lithium battery includes a Si—Al—Fe alloy represented by Formula 1. The Si—Al—Fe alloy includes a Si phase and an alloy phase, and the alloy phase includes Si, Al, and Fe in a ratio of atomic percentages of about 3:3:2: | 08-01-2013 |
20130202967 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery includes a matrix including an Si—X based alloy, where X is not Si and is selected from alkali metals, alkaline-earth metals, Group 13 elements, Group 14 elements, Group 15 elements, Group 16 elements, transition elements, rare earth elements, or combinations thereof; silicon dispersed in the matrix; and oxygen in the negative active material, the oxygen being included at 20 at % or less based on the total number of atoms in the negative active material. A rechargeable lithium battery includes the negative active material. | 08-08-2013 |
20130216912 | ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE ELECTRODE, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - An electrode for a lithium secondary battery includes a silicon-based alloy, and has a surface roughness of about 1 to about 10 μm and a surface roughness deviation of 5 μm or less. A method of manufacturing the electrode includes mixing an electrode composition, milling the composition, coating the milled composition on a current collector, and drying the milled composition. A lithium secondary battery includes the electrode. | 08-22-2013 |
20130266865 | NEGATIVE ACTIVE MATERIAL, LITHIUM BATTERY INCLUDING THE MATERIAL, AND METHOD FOR MANUFACTURING THE MATERIAL - A negative active material having controlled particle size distribution of silicon nanoparticles in a silicon-based alloy, a lithium battery including the negative active material, and a method of manufacturing the negative active material are disclosed. The negative active material may improve capacity and lifespan characteristics by inhibiting (or reducing) volumetric expansion of the silicon-based alloy. The negative active material may include a silicon-based alloy including: a silicon alloy-based matrix; and silicon nanoparticles distributed in the silicon alloy-based matrix, wherein a particle size distribution of the silicon nanoparticles satisfies D10≧10 nm and D90≦75 nm. | 10-10-2013 |
20140023927 | SILICON ALLOY BASED NEGATIVE ACTIVE MATERIAL AND COMPOSITION INCLUDING SAME AND METHOD OF PREPARING SAME AND LITHIUM RECHARGEABLE BATTERY - A silicon alloy-based negative active material includes a particle including a core including a silicon alloy-based material, and a coating layer including an organic binder. | 01-23-2014 |
20140038051 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM BATTERY, METHOD OF PREPARING THE NEGATIVE ACTIVE MATERIAL, AND LITHIUM BATTERY EMPLOYING THE NEGATIVE ACTIVE MATERIAL - A negative active material for a lithium battery with an improved cycle characteristic and capacity retention rate, and the negative active material comprises a plurality of particles comprising a plurality of first particles comprising Si, Ti, and Ni; and composite particles comprising a plurality of second particles in which at least one element selected from the group consisting of Cu, Fe, Ni, Au, Ag, Pd, Cr, Mn, Ti, B, and P is partially or completely deposited on surface(s) of other of first particles, a method of preparing the negative active material, and a lithium battery including a negative electrode including the negative active material. | 02-06-2014 |
20140147750 | ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY EMPLOYING THE SAME, AND METHOD OF PREPARING THE ANODE ACTIVE MATERIAL - An anode active material, a lithium battery including the anode active material, and a method of preparing the anode active material are provided. The anode active material includes an alloy containing silicon (Si), titanium (Ti) and nickel (Ni) elements, wherein the alloy includes a Si phase and an alloy phase, and a peak intensity ratio (I | 05-29-2014 |
20140212694 | COMPOSITE ANODE ACTIVE MATERIAL, ANODE INCLUDING THE SAME, LITHIUM BATTERY INCLUDING THE ANODE, AND METHOD OF PREPARING THE COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material, an anode including the composite anode active material, a lithium battery including the anode, and a method of preparing the composite anode active material, the composite anode active material including a core including a ternary alloy, the ternary alloy being capable of intercalating and deintercalating lithium; and a carbonaceous coating layer on the core. | 07-31-2014 |
20140272572 | ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - In an aspect, an electrode active material for a lithium secondary battery, the electrode active material including a silicon-based alloy and a coating film containing a polymer that includes a 3,4-ethylenedioxythiophene repeating unit and an oxyalkylene repeating unit, coated on the surface of the silicon-based alloy are provided. | 09-18-2014 |
20150021516 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE AND LITHIUM BATTERY INCLUDING THE NEGATIVE ACTIVE MATERIAL, AND METHOD OF PREPARING THE NEGATIVE ACTIVE MATERIAL - A negative active material, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes a silicon-based alloy including Si, Al, and Fe. The silicon-based alloy includes an active phase of silicon nanoparticles and an inactive phase of Si | 01-22-2015 |
20150056509 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE AND LITHIUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL, AND METHOD OF MANUFACTURING NEGATIVE ACTIVE MATERIAL - A negative active material, a negative electrode and a lithium battery including the same, and a method of manufacturing the negative active material are disclosed. The negative active material includes a silicon-based alloy including Si, Al, and Cu. Since the silicon-based alloy includes AlCu and Al | 02-26-2015 |