Patent ID: 8728670

Claim:
A nonaqueous-electrolyte battery comprising: a case, a positive electrode held in the case, a negative electrode held in the case and including a negative active material having a lithium insertion/release potential higher than 1.0 V (vs. Li/Li + ), a coating film on the surface of the negative electrode, and a nonaqueous electrolyte packed in the case, wherein the nonaqueous electrolyte is liquid at room temperature and comprises a nonaqueous solvent, an electrolyte material, and at least one organic compound having one or more isocyanato groups, wherein the coating film is formed upon addition of the at least one organic compound having one or more isocyanato groups to the nonaqueous electrolyte, and wherein a part of an amino compound having at least one amino group formed during the addition is included in the coating film on the surface of the negative electrode.