| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery with which deterioration of yield ratio at time of battery manufacture can be restrained through suppressing of deterioration of various battery characteristics and upgrading of filling density of the negative active material as well as suppression of a peel-off of a negative active material from a negative electrode core body. SOLUTION: With the nonaqueous electrolyte battery provided with a negative electrode with has a negative active material layer of 1.65 g/ml or more in filling density formed on the surface of a negative electrode core body mad of copper foil, a positive electrode, and a nonaqueous electrolyte, an elongation percentage of the negative electrode core body made of copper foil is 5.0% or more. |
