Patent ID: 8852813

Claim:
A non-aqueous electrolyte composition, comprising: (a) an electrolyte salt; (b) a non-aqueous electrolyte carrier; and (c) one or more naphthyl amines according to formula (II) or (III) or salt thereof wherein each n is independently selected from 1, 2, 3 or 4 R 2 is H, C 1-24 alkyl, C 5-8 cyclic alkyl, benzyl, C 2-24 alkyl interrupted by —O—, SO 2 —, —CO— or —COO—, and/ or substituted by hydroxy, alkoxy, alkylcarbonyloxy, carboxylate, or sulfate; or benzyl substituted by alkyl, hydroxy, C 1-12 alkoxy, or sulfate; and each R 3 and R 3 ′ are independently selected from the group consisting of C 1-24 alkyl, C 5-8 cyclic alkyl, phenyl, benzyl, styryl, cumyl, hydroxy, C 1-12 alkoxy, and sulfate.