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    • 8. 发明申请
    • DIRECT METHANOL FUEL CELL
    • 直接甲醇燃料电池
    • US20080138668A1
    • 2008-06-12
    • US11858395
    • 2007-09-20
    • Masato AkitaRyosuke YagiYuusuke SatoEiichi Sakaue
    • Masato AkitaRyosuke YagiYuusuke SatoEiichi Sakaue
    • H01M8/02B05D3/00
    • H01M8/1011H01M4/921H01M4/926H01M8/0245H01M8/04119H01M2004/8684Y02E60/523Y02P70/56
    • A direct methanol fuel cell includes: an electrolyte membrane; an anode catalyst layer provided on one side of the electrolyte membrane, the anode catalyst layer accelerating the reaction of methanol with water to produce proton, electron and carbon dioxide; a cathode catalyst layer provided on the other side of the electrolyte membrane, the cathode catalyst layer accelerating the reaction between the proton, the electron and oxygen to produce water; a dense water-repelling layer having water-repelling property provided on the opposite side of the anode catalyst layer to the electrolyte membrane, the dense water-repelling layer being formed by calcining a slurry containing carbon powder and water-repelling polymer and having a thickness of 100 μm or more after calcination; and a porous gas-diffusing layer provided on the opposite side of the dense water-repelling layer to the anode catalyst layer.
    • 直接甲醇燃料电池包括:电解质膜; 阳极催化剂层设置在电解质膜的一侧,阳极催化剂层加速甲醇与水的反应产生质子,电子和二氧化碳; 设置在电解质膜的另一侧的阴极催化剂层,阴极催化剂层促进质子,电子和氧之间的反应以产生水; 在阳极催化剂层的与电解质膜相反的一侧设置有具有防水性的致密的防水层,所述致密防水层通过煅烧含有碳粉和防水聚合物的浆料形成,并具有厚度 煅烧后100小时以上; 以及多孔气体扩散层,其设置在与所述阳极催化剂层相反的所述致密斥水层的相反侧。
    • 9. 发明授权
    • Fuel cell
    • 燃料电池
    • US09312543B2
    • 2016-04-12
    • US13354977
    • 2012-01-20
    • Yoshihiro AkasakaMasato AkitaRyosuke Yagi
    • Yoshihiro AkasakaMasato AkitaRyosuke Yagi
    • H01M4/86H01M8/02H01M8/10
    • H01M4/861H01M8/0245H01M8/1004Y02E60/521
    • In one embodiment, in a fuel cell, a first electrode supplied with an oxidant gas includes a first gas diffusion layer having a first porous base material and a first catalyst layer having a second porous base material. The first catalyst layer is stacked to the first gas diffusion layer. The second porous base material has a pore diameter distribution with a peak in a range of 0.04 μm to 0.12 μm, and a volume ratio of pores with diameters of 0.04 μm to 0.12 μm to all the pores being 17% or more. A second electrode supplied with a fuel includes a second gas diffusion layer having a third porous base material and a second catalyst layer having a fourth porous base material. The second catalyst layer is stacked to the second gas diffusion layer. An electrolyte film is held between the first and second catalyst layers.
    • 在一个实施方案中,在燃料电池中,提供有氧化剂气体的第一电极包括具有第一多孔基材的第一气体扩散层和具有第二多孔基材的第一催化剂层。 第一催化剂层被堆叠到第一气体扩散层。 第二多孔基材的孔径分布的峰值在0.04μm〜0.12μm的范围内,所有孔的直径为0.04μm〜0.12μm的孔的体积比为17%以上。 提供有燃料的第二电极包括具有第三多孔基材的第二气体扩散层和具有第四多孔基材的第二催化剂层。 第二催化剂层与第二气体扩散层层叠。 电解质膜保持在第一和第二催化剂层之间。