Electrolytic composition with polymer base for electrochemical generator
    33.
    发明授权
    Electrolytic composition with polymer base for electrochemical generator 失效
    电化学发生器用电解质组合物

    公开(公告)号:US06806002B2

    公开(公告)日:2004-10-19

    申请号:US09878356

    申请日:2001-06-12

    IPC分类号: H01M462

    摘要: The invention concerns an aprotic electrolytic composition located in the separator and in at least one composite electrode containing a powder of an active electrode material, and if necessary an electronic conduction additive of an electrochemical generator. The electrolytic composition comprises a first polymer matrix consisting of a polyether and at least a second polymer matrix, macroscopically separated, and also at least an alkaline salt as well as a polar aprotic solvent: The polymer matrices are capable of being swollen by at least one of the polar aprotic solvents. The solvent or mixture of solvents is unevenly distributed between the polymer matrices. The invention also concerns an electrochemical generator comprising a negative electrode and positive electrode reversible to alkaline ions and a separator with polymer electrolyte, the electrolytic component of which is the composition described above. The invention further concerns the manufacture in two or three steps of a sub-assembly of an electrochemical generator by coating an electrode support with a composite electrode containing the second matrix, followed by a surface coating on the electrode resulting from the preceding step with a solution containing the first polymer matrix so as to form the separator wholly or partly.

    摘要翻译: 本发明涉及位于分离器中的非质子电解组合物和至少一个含有活性电极材料的粉末的复合电极,如果需要的话,电化学发生器的电子导电添加剂。 电解质组合物包括由聚醚和至少第二聚合物基质组成的宏观分离的第一聚合物基质,以及至少一种碱性盐以及极性非质子溶剂。聚合物基质能够被至少一种 的极性非质子溶剂。 溶剂或溶剂混合物不均匀地分布在聚合物基质之间。 本发明还涉及一种电化学发生器,其包括负极和碱性离子可逆的正极和具有聚合物电解质的隔膜,其电解组分是上述组成。 本发明还涉及通过用包含第二基质的复合电极涂覆电极载体,然后在前述步骤中由溶液形成的电极上的表面涂层的方法,在电化学发生器的子组件的两个或三个步骤中制造两个或三个步骤 含有第一聚合物基质以全部或部分形成隔膜。