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    • 4. 发明授权
    • Fuel cell system having water recovering and circulating structure
    • 具有回水循环结构的燃料电池系统
    • US08557453B2
    • 2013-10-15
    • US11797891
    • 2007-05-08
    • In-hyuk Son
    • In-hyuk Son
    • H01M8/00
    • H01M8/0245H01M8/0239H01M8/0273H01M8/04089H01M8/04141H01M8/04149H01M8/04156H01M8/04186H01M8/1004H01M8/1011H01M8/2475Y02E60/523
    • A fuel cell system having a water recovering and circulating structure, includes an electric generator provided with a membrane electrode assembly including an anode electrode into which a hydrogen containing fuel is introduced, a cathode electrode into which an oxidant is introduced, and an electrolyte polymer membrane interposed between the anode and cathode electrodes. The cathode electrode includes: a first catalyst layer which is in contact with the electrolyte polymer membrane and in which a reduction reaction for the oxidant occurs; and a first gas diffusion layer to diffuse the oxidant on the first catalyst layer. At least a part of the first gas diffusion layer directly contacts the electrolyte polymer membrane. Thus, water produced by the chemical reaction in the cathode electrode is introduced into the anode electrode through the electrolyte polymer membrane, and water is effectively prevented from evaporating, thereby enhancing the water recovering efficiency and thus enhancing the power generation efficiency of the fuel cell system.
    • 一种具有回水循环结构的燃料电池系统,具备:发电机,其具备膜电极接合体,所述膜电极接合体包括导入有氢的燃料的阳极,导入氧化剂的阴极和电解质聚合物膜 插在阳极和阴极之间。 阴极包括:与电解质聚合物膜接触并且发生氧化剂的还原反应的第一催化剂层; 以及使第一催化剂层上的氧化剂扩散的第一气体扩散层。 第一气体扩散层的至少一部分直接接触电解质聚合物膜。 因此,通过电解质聚合物膜将由阴极电极中的化学反应产生的水引入阳极电极,有效地防止水蒸发,从而提高回水效率,从而提高燃料电池系统的发电效率 。
    • 6. 发明申请
    • Fuel cell system having water recovering and circulating structure
    • 具有回水循环结构的燃料电池系统
    • US20070269708A1
    • 2007-11-22
    • US11797891
    • 2007-05-08
    • In-hyuk Son
    • In-hyuk Son
    • H01M4/00H01M2/08
    • H01M8/0245H01M8/0239H01M8/0273H01M8/04089H01M8/04141H01M8/04149H01M8/04156H01M8/04186H01M8/1004H01M8/1011H01M8/2475Y02E60/523
    • A fuel cell system having a water recovering and circulating structure, includes an electric generator provided with a membrane electrode assembly including an anode electrode into which a hydrogen containing fuel is introduced, a cathode electrode into which an oxidant is introduced, and an electrolyte polymer membrane interposed between the anode and cathode electrodes. The cathode electrode includes: a first catalyst layer which is in contact with the electrolyte polymer membrane and in which a reduction reaction for the oxidant occurs; and a first gas diffusion layer to diffuse the oxidant on the first catalyst layer. At least a part of the first gas diffusion layer directly contacts the electrolyte polymer membrane. Thus, water produced by the chemical reaction in the cathode electrode is introduced into the anode electrode through the electrolyte polymer membrane, and water is effectively prevented from evaporating, thereby enhancing the water recovering efficiency and thus enhancing the power generation efficiency of the fuel cell system.
    • 一种具有回水循环结构的燃料电池系统,具备:发电机,其具备膜电极接合体,所述膜电极接合体包括导入有氢的燃料的阳极,导入氧化剂的阴极和电解质聚合物膜 插在阳极和阴极之间。 阴极包括:与电解质聚合物膜接触并且发生氧化剂的还原反应的第一催化剂层; 以及使第一催化剂层上的氧化剂扩散的第一气体扩散层。 第一气体扩散层的至少一部分直接接触电解质聚合物膜。 因此,通过电解质聚合物膜将由阴极电极中的化学反应产生的水引入阳极电极,有效地防止了水的蒸发,从而提高了水的回收效率,从而提高了燃料电池系统的发电效率 。