NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure is provided with a positive electrode, a negative electrode and a nonaqueous electrolyte; the positive electrode contains a lithium transition metal composite oxide that contains Ni, Nb and M (M is at least one element selected from among Ca and Sr), said lithium transition metal composite oxide optionally containing Co; the contents of Ni, Nb, M and Co in the lithium transition metal composite oxide are respectively within specific ranges; the negative electrode comprises a negative electrode mixture layer that contains a negative electrode active material, and a coating film that is formed on the surface of the negative electrode mixture layer, while containing Nb and M; and the contents of Nb and M in the negative electrode are respectively within specific ranges.