Electrochemical cells comprising composite cathodes, and processes for fabricating same
    31.
    发明公开
    Electrochemical cells comprising composite cathodes, and processes for fabricating same 失效
    包含复合阴极的电化学电池及其制造方法

    公开(公告)号:EP1162677A3

    公开(公告)日:2001-12-19

    申请号:EP01109141.0

    申请日:1997-05-21

    IPC分类号: H01M4/60 H01M4/58 H01M4/36

    摘要: The present invention pertains to battery cells comprising: (a) an anode; (b) a composite cathode comprising a mixture of (i) an electroactive sulfur containing cathode material comprising one or more materials selected from the group consisting elemental sulfur, organo sulfur and carbon-sulfur compositions, and derivatives or combinations thereof; and (ii) an electrically conductive additive; (c) a liquid electrolyte comprising a solvent for at least some anionic reduction products of said cathode; and, (d) a separator interposed between said composite cathode and said anode; wherein said battery cell is characterized by a total thickness of the sum of the composite cathode thickness and the separator thickness of up to about 125 micrometers. The present invention also pertains to methods of making such cells. The battery cell attains a high specific capacity (mAh/g) over a number of cycles.

    摘要翻译: 本发明涉及电池组电池,其包括:(a)阳极; (b)包含(i)电活性含硫阴极材料和包含一种或多种选自元素硫,有机硫和碳 - 硫组合物及其衍生物或组合的材料的混合物的复合阴极; 和(ii)导电添加剂; (c)包含用于所述阴极的至少一些阴离子还原产物的溶剂的液体电解质; (d)介于所述复合阴极和所述阳极之间的隔板; 其中所述电池单元的特征在于所述复合阴极厚度和所述隔板厚度之和的总厚度达到约125微米。 本发明还涉及制造这种电池的方法。 电池单元在多个循环中达到高比容量(mAh / g)。

    High capacity cathodes for secondary cells
    37.
    发明公开
    High capacity cathodes for secondary cells 失效
    Kathoden mit hoherKapazitätfürsekundäreZellen。

    公开(公告)号:EP0638947A1

    公开(公告)日:1995-02-15

    申请号:EP94304351.3

    申请日:1994-06-16

    IPC分类号: H01M4/60 H01M4/36

    摘要: The present invention relates to an electric current producing cell which contains an anode, a polymer electrolyte which is chemically inert with respect to the anode and the cathode, and a composite cathode having an organo-sulfur compound as a cathode active material, a conjugated polymer for the transport of electrons and a polymer electrolyte for the transport of ions.

    摘要翻译: 本发明涉及一种电流产生电池,其包含阳极,相对于阳极和阴极化学惰性的聚合物电解质,以及具有有机硫化合物作为阴极活性材料的复合阴极,共轭聚合物 用于运输电子和用于运输离子的聚合物电解质。