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    • 4. 发明公开
    • Non-aqueous electrolytic solution, electrochemical element using the same and alkynyl compound used therefor
    • 元素柴油精华
    • EP2883867A2
    • 2015-06-17
    • EP15150250.7
    • 2011-02-02
    • Ube Industries, Ltd.
    • Abe, KojiMiyoshi, KazuhiroKondo, Masahide
    • C07C309/67C07C317/08H01M10/052H01M10/0567
    • H01M10/0567C07C309/67C07F9/113C07F9/327H01M10/052H01M2300/0025Y02E60/122Y02T10/7011
    • The present invention provides an excellent nonaqueous electrolytic solution capable of improving low-temperature and high-temperature cycle properties and load characteristics after high-temperature charging storage, an electrochemical element using it, and an alkynyl compound used for it.
      The nonaqueous electrolytic solution of the present invention comprises at least one alkynyl compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass in the nonaqueous electrolytic solution.

               R 1 (O) n -X 1 -R 2      (I)

      In the formula, X 1 represents a group -C(=O)-, a group -S(=O) 2 -, or a group -P(=O)(-R 3 )-. R 1 represents an alkenyl group having from 2 to 8 carbon atoms; R 2 represents an alkynyl group having from 3 to 8 carbon atoms or an alkynyloxy group having from 3 to 8 carbon atoms; R 3 represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group, an alkoxy group, an alkenyloxy group, an alkynyloxy group, or an aryloxy group; n indicates 0 or 1.
    • 本发明提供一种能够提高高温充电保存后的低温高温循环性能和负载特性,使用该电解质元件的电化学元件以及用于其的炔基化合物的优异的非水电解液。 本发明的非水电解液在非水电解液中含有0.01〜10质量%的由通式(I)表示的至少一种炔基化合物。 ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1(O)n -X 1 -R 2€ƒ€ƒ€ƒ€ƒ(I)在公式中,X 1表示一个组 -C(= O) - ,基团-S(= O)2 - 或基团-P(= O)( - R 3) - 。 R 1表示具有2至8个碳原子的烯基; R 2表示具有3至8个碳原子的炔基或具有3至8个碳原子的炔氧基; R 3表示烷基,烯基,炔基,芳基,烷氧基,烯氧基,炔氧基或芳氧基; n表示0或1。