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    • 2. 发明授权
    • Mixed reactant fuel cell system
    • 混合反应物燃料电池系统
    • US08574779B2
    • 2013-11-05
    • US11808735
    • 2007-06-12
    • In-Hyuk SonSang-Il HanChan Kwak
    • In-Hyuk SonSang-Il HanChan Kwak
    • H01M8/04H01M8/10
    • H01M8/04186H01M4/921H01M8/1009H01M2008/1095
    • The provided is a mixed reactant fuel cell system that includes a fuel cell body including a membrane-electrode assembly, a fuel tank, and a fuel pump. The fuel tank stores a mixed fuel including a hydrocarbon-based fuel and hydrogen peroxide (H2O2). The hydrogen peroxide (H2O2) acts as an oxidant. The fuel pump supplies the mixed fuel into the fuel cell body to generate electricity. An anode included in the membrane-electrode assembly includes a catalyst that selectively activates the oxidation reaction of the hydrocarbon-based fuel. A cathode included in the membrane-electrode assembly includes a catalyst that selectively activates the reduction reaction of the oxidant in the cathode. Therefore, when the mixed fuel is injected into both of the anode and the cathode, only an oxidation reaction of the fuel is carried out in the anode, and only a reduction reaction of the oxidant is carried out in the cathode.
    • 提供了一种混合反应物燃料电池系统,其包括具有膜 - 电极组件,燃料箱和燃料泵的燃料电池体。 燃料箱储存包含烃类燃料和过氧化氢(H 2 O 2)的混合燃料。 过氧化氢(H2O2)充当氧化剂。 燃料泵将混合燃料供应到燃料电池体中以发电。 包括在膜 - 电极组件中的阳极包括选择性地激活烃类燃料的氧化反应的催化剂。 包括在膜 - 电极组件中的阴极包括选择性地激活氧化剂在阴极中的还原反应的催化剂。 因此,当将混合燃料注入阳极和阴极两者时,仅在阳极中进行燃料的氧化反应,并且在阴极中仅进行氧化剂的还原反应。
    • 3. 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 。