Patent ID: 9515311
Filing Date: 2016-12-06
CPC Classification: C01G,C01P,H01M,Y02E,Y02T

Claim Text:
1. A nonaqueous electrolyte battery, comprising: a case formed of a laminate film; a positive electrode provided in the case; a negative electrode provided in the case and including a current collector and a negative electrode layer being supported by the current collector; and a nonaqueous electrolyte provided in the case; wherein: the negative electrode has a porous structure; a pore diameter distribution of the negative electrode as determined by a mercury porosimetry includes a first peak having a mode diameter falling within a range of 0.01 to 0.2 and a second peak having a mode diameter falling within a range of 0.003 to 0.02 μm; a volume of pores having a diameter of 0.01 to 0.2 μm as determined by mercury porosimetry is 0.05 to 0.5 mL per gram of the negative electrode excluding the weight of the current collector; and a volume of pores having a diameter of 0.003 to 0.02 μm as determined by mercury porosimetry is 0.0001 to 0.02 mL per gram of the negative electrode excluding the weight of the current collector.