| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-capacity nonaqueous electrolyte secondary battery having excellent battery characteristics with high productivity.SOLUTION: A nonaqueous electrolyte secondary battery comprises: an electrode assembly having a negative electrode, a positive electrode, and a separator; and a nonaqueous electrolyte. The nonaqueous electrolyte includes lithium bis(oxalate)borate. The negative electrode has a negative electrode core, and a negative electrode active material layer formed on the negative electrode core. The negative electrode active material layer has a bulk density of 1.1-1.38 g/ml. The battery capacity is 21 Ah or larger. |
