Patent ID: 8501356

Claim:
A nonaqueous electrolyte battery comprising: a nonaqueous electrolyte which contains a nonaqueous solvent and an electrolytic salt; a positive electrode; and a negative electrode having an operating potential of 1.2 V (vs. Li/Li + ) or higher; wherein said nonaqueous electrolyte contains a chain carbonate, a chain carboxylate or both chain carbonate and chain carboxylate as a main solvent at a ratio of 70 volume % or higher in an entire volume of said nonaqueous solvent, said nonaqueous electrolyte further contains a compound defined by a general formula (1), (2), or (3): wherein R 1 to R 9 may be same or different and each denotes an organic group having 1 to 12 carbon atoms; wherein R 10 to R 18 may be same or different and each denotes an organic group having 1 to 12 carbon atoms; and wherein R 19 to R 30 may be same or different and each denotes an organic group having 1 to 12 carbon atoms, wherein said nonaqueous electrolyte contains said chain carbonate and said chain carboxylate at a ratio higher than 70 volume % in the entire volume of said nonaqueous solvent and satisfies 0≦b<30, wherein “b” denotes the volume of a cyclic carbonate among carbonates having no carbon-carbon double bond in the entire volume, defined as 100, of said carbonates having no carbon-carbon double bond and chain carboxylates in said nonaqueous solvent.