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    • 1. 发明授权
    • Membrane electrode assembly and fuel cell
    • 膜电极组件和燃料电池
    • US07195838B2
    • 2007-03-27
    • US10232085
    • 2002-08-29
    • Masaaki NanaumiJunichi YanoYoshihiro NakanishiTadashi Nishiyama
    • Masaaki NanaumiJunichi YanoYoshihiro NakanishiTadashi Nishiyama
    • H01M2/00H01M2/08H01M4/00
    • H01M4/926H01M8/0271H01M8/1004H01M8/1007H01M2300/0082
    • In order to provide a membrane electrode assembly and a fuel cell in which the thickness of the solid polymer electrolyte membrane is thin by enhancing self-protection of the solid polymer electrolyte membrane, a membrane electrode assembly comprises a solid polymer electrolyte membrane and a pair of gas diffusion electrode layer having catalyst layers and gas diffusion layers. The catalyst layers of the gas diffusion electrode layer sandwich the solid polymer electrolyte membrane, one surface of the solid polymer electrolyte membrane is covered by the gas diffusion electrode layer and the other surface of the solid polymer electrolyte membrane extends over the gas diffusion electrode layer, and ends of the catalyst layer of one gas diffusion electrode layer are disposed to be offset to ends of the catalyst layer of the other gas diffusion electrode layer.
    • 为了提供通过增强固体聚合物电解质膜的自我保护来提供固体聚合物电解质膜的厚度薄的膜电极组件和燃料电池,膜电极组件包括固体聚合物电解质膜和一对 具有催化剂层和气体扩散层的气体扩散电极层。 气体扩散电极层的催化剂层夹着固体高分子电解质膜,固体高分子电解质膜的一面被气体扩散电极层覆盖,固体高分子电解质膜的另一面在气体扩散电极层上延伸, 一个气体扩散电极层的催化剂层的端部设置成偏移到另一个气体扩散电极层的催化剂层的端部。
    • 2. 发明授权
    • Membrane electrode assembly and fuel cell unit
    • 膜电极组件和燃料电池单元
    • US07056614B2
    • 2006-06-06
    • US10191007
    • 2002-07-08
    • Narutoshi SugitaMasaaki NanaumiTadashi Nishiyama
    • Narutoshi SugitaMasaaki NanaumiTadashi Nishiyama
    • H01M2/08
    • H01M8/0273H01M8/0271H01M8/1004H01M2008/1095H01M2250/20Y02E60/521Y02T90/32
    • The present invention aims to provide a membrane electrode assembly that can increase durability by increasing the strength of an extending part of a solid polymer electrolyte membrane, and can also reduce cost by minimizing the volume of the solid polymer electrolyte membrane used.In the present invention, an anode electrode is provided on one side of a solid polymer electrolyte membrane, and a cathode electrode is provided on the other side of the solid polymer electrolyte membrane. The solid polymer electrolyte membrane is formed such that its outer peripheral portion extends the anode electrode and the cathode electrode on both sides thereof. A framc-shaped first sealing member is closely contacted with the outer peripheral edge face of the anode electrode or the cathode electrode. The frame-shaped first sealing member coats and supports one face of the extending part of the solid polymer electrolyte membrane.
    • 本发明的目的在于提供一种能够通过提高固体高分子电解质膜的延伸部分的强度而提高耐久性的膜电极组件,还可以通过使固体高分子电解质膜的体积最小化来降低成本。 在本发明中,在固体高分子电解质膜的一侧设置阳极电极,在固体高分子电解质膜的另一侧设置阴极电极。 固体高分子电解质膜形成为使得其外周部分在其两侧延伸阳极电极和阴极电极。 框状的第一密封构件与阳极或阴极的外周边缘面紧密接触。 框状的第一密封构件涂覆并支撑固体聚合物电解质膜的延伸部分的一个面。
    • 5. 发明授权
    • Fuel cell
    • 燃料电池
    • US06866959B2
    • 2005-03-15
    • US10328878
    • 2002-12-24
    • Hideaki KikuchiNarutoshi SugitaYoshihiro NakanishiTadashi NishiyamaKeisuke Andou
    • Hideaki KikuchiNarutoshi SugitaYoshihiro NakanishiTadashi NishiyamaKeisuke Andou
    • H01M8/02H01M2/08H01M8/04H01M8/10H01M8/24
    • H01M8/0273H01M8/0258H01M8/0267H01M8/0271H01M8/04029H01M8/04089H01M8/241H01M2008/1095
    • A fuel cell is provided that has a sufficient sealing performance while having a restrained dimension in the stacking direction thereof. The fuel cell is formed by stacking a plurality of fuel cell units, each fuel cell unit comprising: an electrode assembly formed by disposing electrodes on both sides of an electrolyte; a pair of separators that sandwich the electrode assembly in the thickness direction thereof; and gas sealing members that are disposed at an outer peripheral portion of the electrode assembly, and that seal respective reaction gas flow passages that are formed between each separator and the electrode assembly and are bounded by the separators and electrode assembly. In each of the separators, there are provided reaction gas communication ports that are provided outward from the gas sealing members, in one separator, through paths are formed that penetrate the separator in the thickness direction thereof and connect the reaction gas communication ports with the reaction gas flow passages, and in the other separator, reaction gas communication paths are formed that detour around the gas sealing member in the thickness direction of the separator and connect the reaction gas communication ports with the reaction gas flow passages.
    • 提供具有足够的密封性能的燃料电池,同时在其堆叠方向上具有约束尺寸。 燃料电池通过堆叠多个燃料电池单元形成,每个燃料电池单元包括:通过在电解质的两侧设置电极而形成的电极组件; 一对在其厚度方向夹着电极组件的隔板; 以及气体密封构件,其设置在电极组件的外周部分,并且密封形成在每个隔板和电极组件之间并且由隔板和电极组件限定的各个反应气体流动通道。 在每个分离器中,设置有从气体密封构件向外设置的反应气体连通口,在一个分离器中,形成穿过隔板的厚度方向的路径,并将反应气体连通口与反应 气体流路,在另一分离器中,形成反应气体连通路径,其在分离器的厚度方向上绕气体密封构件绕行,并将反应气体连通口与反应气体流路连接。
    • 10. 发明申请
    • FUEL CELL STACK
    • 燃料电池堆
    • US20110143251A1
    • 2011-06-16
    • US12944723
    • 2010-11-12
    • Go MORIMOTOTadashi NishiyamaHiroyuki Tanaka
    • Go MORIMOTOTadashi NishiyamaHiroyuki Tanaka
    • H01M8/24
    • H01M8/248H01M2008/1095
    • A fuel cell stack including a plurality of fuel cells each formed by stacking separators and an electrolyte membrane-electrode assembly. The electrolyte membrane-electrode assembly includes an electrolyte membrane provided with a pair of electrodes on the opposite sides thereof. A stacked body formed by stacking the fuel cells is provided with a pair of end plates at the opposite ends thereof in a stacking direction. The end plates are integrally fixed by fastening members with the distance between the end plates maintained. A load measurement mechanism including a plurality of load sensors integrally connected to a connector member is provided between one of the end plates and the stacked body. The one of the end plates is provided with a pressure mechanism. The pressure mechanism presses the load measurement mechanism toward the stacked body to thereby apply a tightening load to the stacked body via the load sensors.
    • 一种燃料电池堆,包括多个燃料电池,每个燃料电池通过堆叠隔板和电解质膜 - 电极组件形成。 电解质膜 - 电极组件包括在其相对侧上设置有一对电极的电解质膜。 通过层叠燃料电池而形成的层叠体在堆叠方向的相对端设置有一对端板。 端板通过紧固件一体地固定,并保持端板之间的距离。 在一个端板和堆叠体之间设置有包括与连接器构件一体连接的多个负载传感器的负载测量机构。 端板中的一个设置有压力机构。 压力机构将负载测量机构压向堆叠体,从而经由负载传感器对堆叠体施加紧固负荷。