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    • 14. 发明申请
    • Separator for Fuel Cell and Method for Producing Same
    • 燃料电池分离器及其生产方法
    • US20080057371A1
    • 2008-03-06
    • US11791317
    • 2006-05-24
    • Mineo WashimaMasahiro SeidoTakaaki SasaokaKatsumi Nomura
    • Mineo WashimaMasahiro SeidoTakaaki SasaokaKatsumi Nomura
    • H01M8/10B05D5/12
    • H01M8/021H01M8/0206H01M8/0208H01M8/0226H01M8/0228H01M2008/1095
    • Disclosed is a separator for fuel cells which is decreased in the amount of an expensive noble metal used as a raw material while being maintained to be conductive to the MEA. This separator has durability and corrosion resistance to very corrosive substances such as fluorine ions or hydrofluoric acid. Also disclosed is a method for producing such a separator for fuel cells. Specifically disclosed is a metal separator (15, 17) which is used in a polymer electrolyte fuel cell using a fluorine-containing polymer electrolyte membrane. This metal separator (15, 17) comprises a stainless steel base (20) processed to have a plurality of fuel gas channels (14). A pure Ti layer (21) is formed on the surface of the base (20); a Pd layer (23) is formed on a surface of the pure Ti layer (21) on the side of the fluorine-containing polymer electrolyte membrane; and a composite metal layer (22) is made of the pure Ti layer (21) and the Pd layer (23) by alloying at least a part of the Pd layer (23) joined with the surface of the pure Ti layer (21) through a heat treatment.
    • 公开了一种用于燃料电池的隔板,其在维持与MEA导电的同时,减少了用作原料的昂贵贵金属的量。 该隔膜对于非常腐蚀性的物质如氟离子或氢氟酸具有耐久性和耐腐蚀性。 还公开了一种用于制造这种燃料电池用隔板的方法。 具体公开了一种用于使用含氟聚合物电解质膜的聚合物电解质燃料电池中的金属隔板(15,17)。 该金属分离器(15,17)包括加工成具有多个燃料气体通道(14)的不锈钢基座(20)。 在基体(20)的表面上形成纯Ti层(21)。 在纯Ti层(21)的含氟聚合物电解质膜一侧的表面上形成Pd层(23) 并且通过将与纯Ti层(21)的表面接合的至少一部分Pd层(23)合金化,由纯Ti层(21)和Pd层(23)制成复合金属层(22) 通过热处理。
    • 17. 发明授权
    • Fuel cell and process for producing the same
    • 燃料电池及其制造方法
    • US06696191B2
    • 2004-02-24
    • US09930488
    • 2001-08-16
    • Mineo Washima
    • Mineo Washima
    • H01M400
    • H01M4/8605H01M8/1004H01M8/1007Y02P70/56
    • A fuel battery cell is provided which includes: an internal electrode and an external electrode respectively with predetermined lengths which are coaxially disposed while leaving a predetermined space between the internal electrode and the external electrode; and a composite layer with a predetermined length, having an electrolyte layer and internal and external catalyst layers provided respectively on both sides of the electrolyte layer. In this case, the composite layer is disposed in a predetermined space between the internal electrode and the external electrode while providing a gas passage between the composite layer and the internal electrode and providing a gas passage between the composite layer and the external electrode. In the composite layer, the surface of the internal catalyst layer on its gas passage side and the surface of the external catalyst layer on its gas passage side are covered respectively with waterproof layers.
    • 提供一种燃料电池单元,其包括:分别具有预定长度的内部电极和外部电极,其在同时设置在内部电极和外部电极之间的预定空间的同时设置; 和具有预定长度的复合层,其具有分别设置在电解质层两侧的电解质层和内部和外部催化剂层。 在这种情况下,复合层设置在内部电极和外部电极之间的预定空间中,同时在复合层和内部电极之间提供气体通道,并且在复合层和外部电极之间提供气体通道。 在复合层中,其气体通路侧的内部催化剂层的表面和气体通路侧的外部催化剂层的表面分别被覆盖有防水层。