申请人:Mitsui Chemicals, Inc.
公开号:EP3051619A1
公开(公告)日:2016-08-03
Anon-aqueous electrolyte solution for a battery includes: an additive A which is a compound represented by formula (I); and an additive B which is at least one selected from the group consisting of an aromatic compound having at least one of a halogen atom or an alkyl group and a carbamate, and which is a compound other than carbonates or a cyclic sulfates. In formula (I), R1 represents a group represented by formula (II) or a group represented by formula (III) and R2 represents H, a C1-6 alkyl group, a group represented by formula (II), or a group represented by formula (III); or R1 and R2 represent groups which combine to form a benzene ring or cyclohexyl ring. In formula (II), R3 represents a halogen atom, a C1-6 alkyl group, a C1-6 alkyl halide group, a C1-6 alkoxy group, or a group represented by formula (IV).
用于电池的非水电解质溶液包括:添加剂 A,它是一种由式(I)表示的化合物;添加剂 B,它是至少一种选自具有卤素原子或烷基中至少一个的芳香族化合物和氨基甲酸酯组成的组的化合物,它是碳酸盐或环硫酸盐以外的化合物。在式 (I) 中,R1 代表式 (II) 所代表的基团或式 (III) 所代表的基团,R2 代表 H、C1-6 烷基、式 (II) 所代表的基团或式 (III) 所代表的基团;或 R1 和 R2 代表结合形成苯环或环己基环的基团。在式 (II) 中,R3 代表卤原子、C1-6 烷基、C1-6 烷基卤化物基团、C1-6 烷氧基或式 (IV) 所代表的基团。