Nonaqueous electrolyte secondary battery and battery module

Details Nonaqueous electrolyte secondary battery and battery module Nonaqueous electrolyte secondary battery and battery module

2011-02-22

2011-02-22

Weiner, Laura S (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S163000, C429S233000, C429S231500, C429S231100, C429S231950, C429S337000

Reexamination Certificate

active

07892680

ABSTRACT:
A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less.

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