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    • 4. 发明申请
    • GAS DIFFUSER FOR AN ELECTROCHEMICAL CELL
    • 用于电化学气体的气体扩散器
    • WO2006020901A1
    • 2006-02-23
    • PCT/US2005/028803
    • 2005-08-11
    • ELECTRASTOR, LLCPHILLIPS, Paul, J.WILLSON, Christopher, D.CHARNY, John, A.
    • PHILLIPS, Paul, J.WILLSON, Christopher, D.CHARNY, John, A.
    • H01M4/32
    • H01M8/0232H01M4/32H01M10/345H01M12/06
    • A nickel hydrogen battery of the present invention includes at least one cell stack (100) including a positive electrode (114), a negative electrode (116), a separator (118) disposed between said negative electrode and said positive electrode, a collector plate (104) disposed adjacent said positive electrode, and a gas diffuser (120) having a first surface (120a) disposed in contact with a surface of the negative electrode, and a second surface (120b) opposite the first surface. The second surface may be generally non-planar. The gas diffuser may alternatively or additionally have a thickness that is non-uniform. According to another aspect of the present invention, the gas diffuser may alternatively or additionally include an integral spacer (120c) whereby portions of the second surface of the gas diffuser physically contact the collector plate causing other portions of the second surface to be spaced apart from the collector plate.
    • 本发明的镍氢电池包括至少一个电池堆(100),其包括正极(114),负极(116),设置在所述负极和所述正电极之间的隔板(118),集电板 (104)和与所述负极的表面接触的第一表面(120a)和与所述第一表面相对的第二表面(120b)的气体扩散器(120)。 第二表面通常可以是非平面的。 气体扩散器可以可选地或另外具有不均匀的厚度。 根据本发明的另一方面,气体扩散器可以可选地或另外地包括整体间隔件(120c),由此气体扩散器的第二表面的一部分与集电板物理接触,从而使第二表面的其它部分与 集电板。