Patent application number | Description | Published |
20090017381 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - An electrode for a non-aqueous electrolyte battery includes a current collector formed of aluminum foil or aluminum alloy foil, and an active material-containing layer formed on a surface of the current collector and containing an active material, a conductive agent and a binder. The conductive agent comprises a carbon particle group containing first carbon particles each exhibiting an aspect ratio of more than one. A portion of each of the first carbon particles is embedded into the current collector to the depth corresponding to 20 to 50% of the thickness of the current collector. A major axis of each of the first carbon particles has a length of 1.05 to 1.50 times as large as the thickness of the active material-containing layer. | 01-15-2009 |
20090169997 | NON-AQUEOUS ELECTROLYTE BATTERY - A non-aqueous electrolyte battery includes an electrode group includes a positive electrode and a negative electrode disposed through a separator, and a non-aqueous electrolyte. The negative electrode comprises a current collector and a porous negative electrode layer formed on the current collector and containing a lithium compound. The porous negative electrode layer has a first peak at a pore diameter of 0.04 to 0.15 μm and a second peak at a pore diameter of 0.8 to 6 μm in the relation between the pore diameter and log differential intrusion obtained in the mercury press-in method. | 07-02-2009 |
20100237277 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND POSITIVE ELECTRODE ACTIVE MATERIAL - A nonaqueous electrolyte battery includes a case, a positive electrode housed in the case and including a positive electrode active material containing a lithium-nickel composite oxide and at least one of lithium hydroxide and lithium oxide, the sum of lithium hydroxide and lithium oxide falling within not less than 0.1% to not more than 0.5% by weight based on the total amount of the positive electrode active material, a negative electrode housed in the case and capable of lithium intercalation-deintercalation, and a separator sandwiched between the positive electrode and the negative electrode and impregnated with a nonaqueous electrolyte containing γ-butyrolactone. | 09-23-2010 |
20110033751 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Lithium ion insertion potential of 0.4 V (vs. Li/Li | 02-10-2011 |
20110053004 | POSITIVE ELECTRODE - According to one embodiment, a positive electrode includes a positive electrode layer and a positive electrode current collector. The positive electrode layer includes a positive electrode active material including a first oxide represented by the following formula (α) and/or a second oxide represented by the following formula (β). The positive electrode layer has an intensity ratio falling within a range of 0.25 to 0.7. The ratio is represented by the following formula (1) in an X-ray diffraction pattern obtained by using CuKα radiation for a surface of the positive electrode layer. | 03-03-2011 |
20120028106 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY PACK AND VEHICLE - According to one embodiment, a nonaqueous electrolyte secondary battery is provided. The battery comprises a positive electrode includes a lithium-nickel complex oxide, a negative electrode includes a lithium-titanium complex oxide and a lithium-containing phosphorous oxide, and a nonaqueous electrolyte. | 02-02-2012 |
20120270093 | NON-AQUEOUS ELECTROLYTE BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, a non-aqueous electrolyte battery includes an outer case, a negative electrode, a positive electrode including a current collector and a positive electrode layer formed on surface of the current collector and opposed to the negative electrode layer, and a non-aqueous electrolyte, wherein the positive electrode layer includes a layered lithium nickel cobalt manganese composite oxide and a lithium cobalt composite oxide, the positive electrode layer has a pore volume with a pore diameter of 0.01 to 1.0 μm, the pore volume being 0.06 to 0.25 mL per 1 g of a weight of the positive electrode layer, and a pore surface area within the pore volume range is 2.4 to 8 m | 10-25-2012 |
20130078531 | NON-AQUEOUS ELECTROLYTE BATTERY - A non-aqueous electrolyte battery includes an electrode group includes a positive electrode and a negative electrode disposed through a separator, and a non-aqueous electrolyte. The negative electrode comprises a current collector and a porous negative electrode layer formed on the current collector and containing a lithium compound. The porous negative electrode layer has a first peak at a pore diameter of 0.04 to 0.15 μm and a second peak at a pore diameter of 0.8 to 6 μm in the relation between the pore diameter and log differential intrusion obtained in the mercury press-in method. | 03-28-2013 |
20130280586 | NON-AQUEOUS ELECTROLYTE BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, a non-aqueous electrolyte battery includes an outer case, a negative electrode, a positive electrode including a current collector and a positive electrode layer formed on surface of the current collector and opposed to the negative electrode layer, and a non-aqueous electrolyte, wherein the positive electrode layer includes a layered lithium nickel cobalt manganese composite oxide and a lithium cobalt composite oxide, the positive electrode layer has a pore volume with a pore diameter of 0.01 to 1.0 μm, the pore volume being 0.06 to 0.25 mL per 1 g of a weight of the positive electrode layer, and a pore surface area within the pore volume range is 2.4 to 8 m | 10-24-2013 |