Patent application number | Description | Published |
20110123849 | Rechargeable lithium battery - Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate. | 05-26-2011 |
20110212351 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including an electrode assembly having a positive electrode including a positive current collector partially coated with a positive active material to form a positive coated region and a positive uncoated region, a negative electrode including a negative current collector partially coated with a negative active material to form a negative coated region and a negative uncoated region and a separator between the positive electrode and the negative electrode. The electrode assembly is spirally wound a plurality of times with the positive uncoated region and the negative uncoated region together forming a core central to the spirally-wound electrode assembly and wound from 3 to 15 times. | 09-01-2011 |
20110293990 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 μm and about 6 μm. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l. | 12-01-2011 |
20110293991 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a silicon-based negative active material, an electrolyte including a lithium salt and a non-aqueous organic solvent, and a separator including a polymer substrate and a ceramic-containing coating layer on the polymer substrate. The ceramic-containing coating layer has a porosity at or between about 50% and about 90%, and a thickness at or between about 2 μm and about 6 μm. The rechargeable lithium battery has a capacity per volume of more than or equal to about 700 Wh/l. | 12-01-2011 |
20120301792 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery that includes a positive electrode including a lithium nickel-based positive active material; a negative electrode including a negative active material; an electrolyte including a lithium salt and a non-aqueous organic solvent; and a separator including a polymer substrate and a hydroxide compound-containing coating layer disposed on the polymer substrate. | 11-29-2012 |
20130045419 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE INCLUDING THE SAME AND METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material for a rechargeable lithium battery, which includes a first silicon oxide (SiO | 02-21-2013 |
20130052533 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - In one aspect, a negative active material for a lithium secondary battery including silicon oxide represented by a chemical formula SiO | 02-28-2013 |
20150024249 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF PREPARING THE SAME - A rechargeable lithium battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, the separator including a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer including a fluorine-based polymer, a ceramic, or a combination thereof; and an electrolyte. The negative electrode includes a current collector, a negative active material layer on the current collector, the negative active material layer including a polyvinylidene fluoride (PVdF) latex particle and an aqueous binder, and a polymer layer on the negative active material layer, the polymer layer including a PVdF latex particle. | 01-22-2015 |