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    Capacitor having an electrolyte containing a mixture of dinitriles
    1.
    发明公开
    Capacitor having an electrolyte containing a mixture of dinitriles 失效
    Kondensator mit Elektrolyt，der ein Gemisch von Dinitrilenenthält

    公开(公告)号：EP0694935A1

    公开(公告)日：1996-01-31

    申请号：EP95102348.0

    申请日：1995-02-20

    申请人： ROCKWELL INTERNATIONAL CORPORATION

    发明人： Warren, Leslie F., Jr. ,  Marcy, Henry O, 5th

    IPC分类号： H01G9/038

    CPC分类号： H01G9/038 ,  H01G11/64 ,  Y02E60/13

    摘要： An electrical capacitor includes an organic electrolyte to provide high power, high energy density, and a broad operating temperature range. The capacitor includes electrodes and an electrolyte system comprising a salt combined with a solvent containing a nitrile. The electrolyte system is selected to be relatively nonreactive and difficult to oxidize or reduce so as to produce a high electric potential range. As examples, the electrolyte may include a solvent selected from the group consisting of acetonitrile, succinonitrile, glutaronitrile, propylene carbonate, and ethylene carbonate; a salt cation selected from the group consisting of tetraalkylammonium (R₄N⁺) and alkali metals; and an anion selected from the group consisting of trifluoromethylsulfonate (CF₃SO₃⁻), bistrifluoromethylsulfurylimide (N(CF₃SO₂)₂⁻), tristrifluoromethylsulfurylcarbanion (C(CF₃SO₂)₃⁻), tetrafluoroborate (BF₄⁻), hexafluorophosphate (PF₆⁻), hexafluoroarsenate (AsF₆⁻), and perchlorate (ClO₄⁻).

    摘要翻译： 电容器包括由电解液分离的一对电极，该电极包括盐和溶剂。 琥珀腈与第二丁腈混合以形成液体。 在室温 还要求的是：（a）上述电容器，其中至少一个电极具有氧化物层; 和（b）电化学双层电容器，其中至少一个电极包括选自碳泡沫，碳纤维，碳复合材料，金属填充复合材料，金属和导电金属氧化物的材料。