发明名称 NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM BATTERY
摘要 A non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte, which further contains a combination of a nitrile compound and an S═O group-containing compound (or a dinitrile compound) in an amount of 0.001 to 10 wt. % imparts improved cycle performance and storage property to a lithium battery, particularly a lithium secondary battery.
申请公布号 US2017104239(A1) 申请公布日期 2017.04.13
申请号 US201615388207 申请日期 2016.12.22
申请人 UBE INDUSTRIES, LTD. 发明人 ABE Koji;HATTORI Takashi;MATSUMORI Yasuo
分类号 H01M10/0567;H01M4/131;H01M4/525;H01M4/587;H01M10/0569;H01M4/66;H01M2/16;H01M10/0525;H01M10/0568;H01M4/133;H01M4/62 主分类号 H01M10/0567
代理机构 代理人
主权项 1: A non-aqueous electrolytic solution, comprising: a non-aqueous solvent comprising from 30 to 50 volume percent of a cyclic carbonate, based on a total volume of the non-aqueous solvent; from 0.5 to 1.5 M of at least one electrolyte selected from the group consisting of LiPF6 and LiBF4; from 0.01 to 3% by weight of succinonitrile or glutaronitrile, based on a total weight of the non-aqueous electrolytic solution; and from 0.2 to 3% by weight of at least one S═O group-containing compound selected from the group consisting of ethylenesulfite, 1,3-propanesultone, divinylsulfone, and propargyl methanesulfonate, based on a total weight of the non-aqueous electrolytic solution.
地址 Yamaguchi JP