ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE
    8.
    发明申请
    ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE 有权
    电解液,电化学装置,锂离子二次电池和模块

    公开(公告)号:US20150086877A1

    公开(公告)日:2015-03-26

    申请号:US14394301

    申请日:2013-04-12

    IPC分类号: H01M10/0569 H01M10/0525

    摘要: The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: Rf1OCOOR  (1) wherein Rf1 is a C1-C4 fluorine-containing alkyl group, and R is a C1-C4 non-fluorinated alkyl group, and Rf2OCOORf3  (2) wherein Rf2 and Rf3 are the same or different, and each is a C1-C4 fluorine-containing alkyl group.

    摘要翻译: 本发明的目的在于提供一种用于形成例如具有优异的抗氧化性和高温保存特性的二次电池的电解液; 包含电解质溶液的电化学装置如锂离子二次电池; 以及包含电化学装置的模块。 本发明提供一种含有溶剂和电解质盐的电解质溶液,其中溶剂含有下述式(1)所示的含氟化合物(A)的量为0.01〜20质量%,氟 - 含有下述式(2)所示的含氮化合物(B)的量为10〜80质量%:Rf1OCOOR(1)其中Rf1为C1-C4含氟烷基,R为C1〜 氟化烷基和Rf2OCOORf3(2),其中Rf2和Rf3相同或不同,并且各自为C1-C4含氟烷基。