Patent ID: 11909049
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
1. A positive electrode for a non-aqueous electrolyte secondary battery, the positive electrode comprising at least:
a positive electrode current collector; and
a positive electrode active material layer,
the positive electrode active material layer being disposed on a surface of the positive electrode current collector,
the positive electrode current collector including an aluminum foil and an aluminum hydrated oxide film,
the aluminum hydrated oxide film covering a surface of the aluminum foil,
the aluminum hydrated oxide film having a thickness not smaller than 50 nm and less than 450 nm,
the aluminum hydrated oxide film consisting of not lower than 30 mol % and not higher than 50 mol % boehmite, and a remainder including at least one of diaspore, bayerite, and gibbsite.