NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

摘要

A nonaqueous electrolyte secondary battery includes: a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte. The positive electrode mixture layer includes a positive electrode active material (1) and an inorganic phosphate. The inorganic phosphate is at least one of a phosphate and a pyrophosphate and includes at least one of alkali metals and second group elements.