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    • 25. 发明申请
    • Gas diffuser substrate containing catalysts for fuel cells, in addition to a method for the production thereof
    • 含有用于燃料电池的催化剂的气体扩散器基板,以及其生产方法
    • US20060177727A1
    • 2006-08-10
    • US10541173
    • 2003-12-23
    • Karsten RuthKarl-Anton StarzMarco Lopez
    • Karsten RuthKarl-Anton StarzMarco Lopez
    • H01M4/94H01M4/96H01M4/88
    • H01M4/92H01M4/926H01M8/0668H01M8/1007H01M8/1011H01M2300/0082Y02E60/523Y02P70/56
    • The invention relates to a catalyst-containing gas diffusion layer for fuel cells, in particular low-temperature fuel cells, e.g. PEMFCs and DMFCs. The gas diffusion layer is used on the anode side of the fuel cell and contains catalyst components which effect removal of carbon monoxide (in the PEMFC) or oxidation of methanol (in the DMFC). The catalyst components are produced directly in the porous substrate material from suitable precursor compounds by heat treatment and are distributed uniformly over the entire volume of the gas diffusion layer. As a result, the catalyst components have a particularly high activity. Furthermore, a process for producing a catalyst-containing gas diffusion layer is described. The gas diffusion layers are used in membrane-electrode units (MEUs) for low-temperature fuel cells, in particular for PEM fuel cells operated using a CO-containing reformate gas. They can also be used in direct methanol fuel cells (DMFCs).
    • 本发明涉及一种用于燃料电池的含催化剂的气体扩散层,特别是低温燃料电池。 PEMFCs和DMFCs。 气体扩散层用于燃料电池的阳极侧,并含有能够除去一氧化碳(在PEMFC中)或氧化甲醇(在DMFC中)的催化剂成分。 催化剂组分通过热处理从合适的前体化合物直接制备在多孔基材中,并均匀分布在气体扩散层的整个体积上。 结果,催化剂组分具有特别高的活性。 另外,对含有催化剂的气体扩散层的制造方法进行说明。 气体扩散层用于低温燃料电池的膜 - 电极单元(MEU),特别是用于使用含CO重整气体操作的PEM燃料电池。 它们也可用于直接甲醇燃料电池(DMFC)。