Patent application number | Description | Published |
20080213668 | Nonaqueous Electrolyte Secondary Battery - A nonaqueous electrolyte secondary battery has a positive electrode including an active material of complex oxides capable of storing and emitting lithium ions, a negative electrode, a separator, and an electrolytic solution made of a nonaqueous solvent. A discharge curve of this battery when being discharged with a constant power has two or more points of step-like flections near the end of electrical discharge in a range of 5% to 20% of a discharge capacity thereof as determined from an initial discharge voltage in a state of full charge to a discharge-end voltage. | 09-04-2008 |
20090233177 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - One width end of an electrode of a nonaqueous electrolyte secondary battery is provided with an exposed portion. A reinforcing element for reinforcing the exposed portion is provided between adjacent parts of the exposed portion when seen in the longitudinal cross section of the battery. | 09-17-2009 |
20090239150 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A Ni-containing positive electrode active material for a nonaqueous electrolyte secondary battery is formed of secondary particles each constituted by aggregated primary particles. In cross sections of the secondary particles, a total cross-sectional area of part of the primary particles at least partially exposed at the surfaces of the secondary particles is at least 40% of a total cross-sectional area of the primary particles constituting the secondary particles. | 09-24-2009 |
20110206975 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A non-aqueous electrolyte secondary battery including an electrode assembly, a non-aqueous electrolyte, and a substantially rectangular battery case for housing the electrode assembly and the non-aqueous electrolyte. The thickness α, the width β, and the height γ of the battery case satisfy the relation α<β≦γc. The electrode assembly includes a positive electrode, a negative electrode, and a porous heat-resistant layer disposed between these electrodes. The positive electrode includes a positive electrode active material layer, and the negative electrode includes a negative electrode active material layer. The ratio of the pore volume included in a predetermined area of the porous heat-resistant layer to the battery theoretical capacity is 0.18 to 1.117 ml/Ah. The predetermined area has the same area as the positive electrode active material layer. The porosity of the porous heat-resistant layer is 35 to 85%. | 08-25-2011 |
20120135296 | BATTERY MODULE - A battery module | 05-31-2012 |
20120164530 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An object of the invention is to provide a negative electrode capable of improving the large current characteristics of a nonaqueous electrolyte secondary battery while maintaining the battery capacity. A negative electrode includes a sheet-like current collector and a negative electrode mixture layer disposed on a surface of the current collector. The negative electrode mixture layer includes graphite particles and ceramic particles interposed between the graphite particles. The mean particle size of the ceramic particles is smaller than that of the graphite particles. In an X-ray diffraction pattern of the negative electrode mixture layer, the ratio R of the intensity I | 06-28-2012 |
20120282503 | ELECTRIC DEVICE - An electric device | 11-08-2012 |
20120308875 | BATTERY MODULE - A battery module ( | 12-06-2012 |
20130011710 | BATTERY PACK - A battery pack of the present invention includes a plurality of battery blocks | 01-10-2013 |
20130011719 | BATTERY MODULE AND BATTERY ASSEMBLY USED THEREIN - A battery assembly | 01-10-2013 |
20130136969 | BATTERY MODULE AND BATTERY ASSEMBLY USED IN BATTERY MODULE - A battery module includes a plurality of battery assemblies stacked together. Each of the battery assemblies includes an insulating case which accommodates a plurality of cells. A first connection plate connects the same polarities of the cells, and a second connection plate connects polarities opposite the same polarities of the cells. The first connection plate includes a first connection terminal which protrudes in a direction opposite a direction toward the second connection plate. The second connection plate includes a second connection terminal which protrudes in a direction toward the first connection terminal. The first connection terminal protrudes outwardly of the case. The second connection terminal protrudes inwardly of the case. In the battery assemblies adjacent to each other in a stacking direction, the first connection terminal of one battery assembly and the second connection terminal of the other battery assembly are fitted to each other. The first connection terminal of one battery assembly protrudes inwardly of the case of the other battery assembly. | 05-30-2013 |