Patent ID: 7297447
Filing Date: 2007-11-20
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolyte battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains at least one selected from the group consisting of a cyclic sultone derivative and an acid anhydride. and an electrolyte salt, the electrolyte salt comprises lithium salt A and lithium salt B, the lithium salt A comprises at least one selected from the group consisting of LiBF the lithium salt B comprises a lithium salt other than the lithium salt A, wherein the lithium salt B is at least one selected from the group consisting of LiClO the electrolyte salt contains the lithium salt A in an amount of 2 to 20 mol % with respect to the electrolyte salt comprising lithium salt A and lithium salt B, wherein the non-aqueous electrolyte contains the cyclic sultone derivative in an amount of 0.5 to 3 wt %.