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    • 70. 发明授权
    • Fuel cells stack
    • 燃料电池堆
    • US06444346B1
    • 2002-09-03
    • US09353637
    • 1999-07-15
    • Hideo OharaMakoto UchidaYasushi Sugawara
    • Hideo OharaMakoto UchidaYasushi Sugawara
    • H01M208
    • H01M8/0228H01M8/0204H01M8/023H01M8/0267H01M8/04029H01M8/04074H01M8/241H01M8/242H01M2300/0082
    • In a polymer electrolyte membrane type fuel cell employing a high polymer ion exchange membrane as an electrolyte, a fuel cells stack is produced at a low cost by easily constituting flow passages for a fuel gas, an oxidizing agent gas and a cooling water which have been conventionally constituted by a cutting process being hard to process and hard to reduce a cost. The fuel gas passage, the oxidizing agent gas flow passage and the cooling water flow passage are constructed by a combination of a diffuser constituted by a conductive porous body or a corrugated plate and an elastic gasket, whereby a cutting process is not required, and a number of parts can be reduced and an operating performance can be improved by integrally forming the gasket with the separator, so that a cost can be reduced.
    • 在使用高分子离子交换膜作为电解质的高分子电解质膜型燃料电池中,通过容易地构成燃料气体,氧化剂气体和冷却水的流路,以低成本制造燃料电池堆 通常由切割过程构成,难以加工并且难以降低成本。 燃料气体通道,氧化剂气体流动通道和冷却水流动通道由通过导电多孔体或波纹板构成的扩散器和弹性垫圈的组合构成,从而不需要切割过程, 可以通过用隔板一体地形成垫圈来减少零件数量并且可以提高操作性能,从而可以降低成本。