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    • 7. 发明申请
    • ELECTRODE FOR FUEL CELL, MEMBRANE ELECTRODE COMPOSITE AND FUEL CELL, AND METHOD FOR MANUFACTURING THEM
    • 燃料电池用电极,膜电极复合体和燃料电池及其制造方法
    • US20080026282A1
    • 2008-01-31
    • US11778937
    • 2007-07-17
    • Jun TAMURAYoshihiko NAKANOWu MEISatoshi MIKOSHIBA
    • Jun TAMURAYoshihiko NAKANOWu MEISatoshi MIKOSHIBA
    • H01M8/10H01M4/88H01M4/94
    • H01M4/8647H01M4/8652H01M4/8657H01M4/8828H01M4/90H01M4/9041H01M4/9075H01M4/92H01M4/925H01M2008/1095
    • A fuel cell, which can supply stable output even at elevated temperatures and can maintain its power generation performance over a long period of time, can be realized by an electrode for a fuel cell comprising a catalyst layer formed of a catalyst composite and a binder, the catalyst composite comprising a proton-conductive inorganic oxide and an oxidation-reduction catalyst phase supported on the proton-conductive inorganic oxide, the proton-conductive inorganic oxide comprising a catalyst carrier selected from tin(Sn)-doped In2O3, fluorine(F)-doped SnO2, and antimony(Sb)-doped SnO2 and an oxide particle phase chemically bonded to the surface of the catalyst carrier. The catalyst composite is manufactured by dispersing a catalyst carrier in a solution containing a material as a starting material for an oxide particle phase, heat treating the dispersion to form a proton-conductive inorganic oxide, further dispersing the proton-conductive inorganic oxide in a catalyst precursor-containing solution, and subjecting the dispersion to heat treatment or pH adjustment to deposit a catalyst phase.
    • 即使在升高的温度下也可以提供稳定的输出并且可以长时间维持其发电性能的燃料电池可以通过包括由催化剂复合材料和粘合剂形成的催化剂层的燃料电池的电极来实现, 所述催化剂复合物包含质子传导性无机氧化物和负载在所述质子传导性无机氧化物上的氧化还原催化剂相,所述质子传导性无机氧化物包含选自锡(Sn)掺杂的In 2 (F) - 掺杂的SnO 2,和锑(Sb)掺杂的SnO 2 N和氧化物颗粒相 化学键合到催化剂载体的表面。 催化剂复合体是通过将催化剂载体分散在含有作为氧化物粒子相原料的材料的溶液中进行热处理而形成质子传导性无机氧化物,进一步将质子传导性无机氧化物分散在催化剂 含有前体的溶液,并对分散体进行热处理或pH调节以沉积催化剂相。
    • 8. 发明申请
    • CATHODE FOR FUEL CELL
    • 燃料电池阴极
    • US20090325021A1
    • 2009-12-31
    • US12372135
    • 2009-02-17
    • Jun TAMURAYoshihiko Nakano
    • Jun TAMURAYoshihiko Nakano
    • H01M4/86H01M8/10
    • H01M4/8647H01M8/1004
    • A cathode for a fuel cell is provided, which includes an electrode catalyst layer. This electrode catalyst layer is constituted by a carried catalyst including a conductive carrier and catalytic fine particles carried on the conductive carrier, by a proton-conductive inorganic oxide containing an oxide carrier and oxide particles carried on a surface of the oxide carrier, and by a proton-conductive organic polymer binder. The carried catalyst is incorporated therein at a weight of WC. Silicon oxide is carried on the surface of the proton-conductive inorganic oxide at a weight ratio of 0.1-0.5 times as much as the weight of the proton-conductive inorganic oxide. The proton-conductive inorganic oxide is incorporated at a weight of WSA+SiO2. The weight ratio (WSA+SiO2/WC) is confined to 0.01-0.25. The proton-conductive organic polymer binder is incorporated at a weight of WP, the weigh ratio (WP/WSA+SiO2) is confined to 0.5-43.
    • 提供了一种用于燃料电池的阴极,其包括电极催化剂层。 该电极催化剂层由携带有催化剂的催化剂构成,该催化剂包含导电性载体和载体在载体上的催化微粒,通过含有氧化物载体的质子传导性无机氧化物和承载在氧化物载体的表面上的氧化物粒子构成, 质子传导性有机聚合物粘合剂。 所携带的催化剂以WC的重量并入其中。 氧化硅以质子传导性无机氧化物的重量的0.1-0.5倍的重量比承载在质子传导性无机氧化物的表面上。 质子传导性无机氧化物以WSA + SiO 2的重量掺入。 重量比(WSA + SiO2 / WC)限制在0.01-0.25。 质子传导性有机聚合物粘合剂以WP的重量掺入,重量比(WP / WSA + SiO 2)被限制在0.5-43。