The positive electrode active material for nonaqueous electrolyte secondary batteries, the nonaqueous electrolyte secondary battery, and the manufacturing method of the positive electrode active material for nonaqueous electrolyte secondary batteries.

摘要

PPROBLEM TO BE SOLVED: To provide a positive electrode active material for a nonaqueous electrolyte secondary battery low in gas generation and to provide the nonaqueous electrolyte secondary battery. PSOLUTION: In the positive electrode active material used in the nonaqueous electrolyte secondary battery, the positive electrode active material is a lithium nickel composite oxide, and the surface of the lithium nickel composite oxide is covered with an aluminum oxide and a titanium oxide. PCOPYRIGHT: (C)2009,JPO&INPIT