Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same
    3.
    发明授权
    Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same 有权
    用于形成催化剂层的油墨,以及使用其的电极和膜 - 电极组件

    公开(公告)号:US07364813B2

    公开(公告)日:2008-04-29

    申请号:US10936731

    申请日:2004-09-09

    摘要: The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion medium, wherein the polymer electrolyte has a mean inertia radius of 150 to 300 nm. A catalyst layer made of the catalyst layer ink improves in gas diffusion property and increases cell voltage, which allows providing a proton conductive polymer electrolyte fuel cell capable of maintaining the high cell voltage for a long time.

    摘要翻译: 本发明提供用于形成至少含有阳离子导电聚合物电解质的催化剂层的油墨,包含导电性碳颗粒的催化剂负载颗粒和负载在其上的电极催化剂和分散介质,其中聚合物电解质的平均惯性半径为150 至300nm。 由催化剂层油墨制成的催化剂层的气体扩散性提高,电池电压提高,能够长时间保持高电池电压的质子传导性高分子电解质型燃料电池。

    Polymer electrolyte fuel cell and production method thereof
    5.
    发明授权
    Polymer electrolyte fuel cell and production method thereof 失效
    聚合物电解质燃料电池及其制备方法

    公开(公告)号:US07132187B2

    公开(公告)日:2006-11-07

    申请号:US10256269

    申请日:2002-09-27

    IPC分类号: H01M4/96

    摘要: Disclosed is a fuel cell comprising: a hydrogen-ion conductive polymer electrolyte membrane; a pair of electrodes sandwiching the hydrogen-ion conductive polymer electrolyte membrane; a first separator plate having a gas flow path for supplying a fuel gas to one of the electrodes; and a second separator plate having a gas flow path for supplying an oxidant gas to the other of the electrodes, wherein each of the electrodes has an electrode catalyst layer comprising at least a conductive carbon particle carrying an electrode catalyst particle and a hydrogen-ion conductive polymer electrolyte, the electrode catalyst layer being in contact with the hydrogen-ion conductive polymer electrolyte membrane, and at least one of the electrodes comprises a catalyst for trapping the fuel gas or the oxidant gas which has passed through the hydrogen-ion conductive polymer electrolyte membrane.

    摘要翻译: 公开了一种燃料电池,包括:氢离子导电聚合物电解质膜; 夹着氢离子导电性聚合物电解质膜的一对电极; 第一隔板,具有用于将燃料气体供给到所述电极之一的气体流路; 以及具有用于向另一个电极供给氧化剂气体的气体流路的第二隔板,其中每个电极具有至少包含载有电极催化剂颗粒的导电性碳颗粒和氢离子导电性的电极催化剂层 聚合物电解质,电极催化剂层与氢离子导电聚合物电解质膜接触,并且至少一个电极包括用于捕获通过氢离子导电聚合物电解质的燃料气体或氧化剂气体的催化剂 膜。

    Method for producing gas diffusion electrode and method for producing polymer electrolyte fuel cell, and gas diffusion electrode and polymer electrolyte fuel cell
    6.
    发明授权
    Method for producing gas diffusion electrode and method for producing polymer electrolyte fuel cell, and gas diffusion electrode and polymer electrolyte fuel cell 有权
    气体扩散电极的制造方法以及固体高分子型燃料电池的制造方法以及气体扩散电极和聚合物电解质型燃料电池

    公开(公告)号:US07883817B2

    公开(公告)日:2011-02-08

    申请号:US11579344

    申请日:2005-07-05

    摘要: The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer electrolyte fuel cell including the gas diffusion electrode. The gas diffusion electrode includes a catalyst layer in which A1 representing a total mass of organic substance comprising alcohol, a partial oxide of the alcohol, a product of intramolecular dehydrogenation reaction of the alcohol, a product of intermolecular condensation reaction of the alcohol, a product of intermolecular condensation reaction between the alcohol and the partial oxide and a product of intermolecular condensation reaction of the partial oxide, E1 representing a total mass of carbon powder and G1 representing a total mass of cation exchange resin are controlled to satisfy {100×A1/(E1+G1)}≦0.05.

    摘要翻译: 本发明提供一种气体扩散电极,其能够充分地防止存储期间的MEA的劣化,而且能够在从生产到初始使用的时间段期间的初始特性和耐久性的劣化,以及包括气体扩散电极的固体高分子型燃料电池。 气体扩散电极包括:催化剂层,其中Al表示包含醇的有机物质的总质量,醇的部分氧化物,醇的分子内脱氢反应的产物,醇的分子间缩合反应的产物,产物 醇和部分氧化物之间的分子间缩合反应和部分氧化物的分子间缩合反应的产物,表示碳粉末的总质量的E1和表示阳离子交换树脂的总质量的G1被控制为满足{100×A1 / (E1 + G1)}≦̸ 0.05。

    Polymer electrolyte type fuel cell
    7.
    发明授权
    Polymer electrolyte type fuel cell 失效
    聚合物电解质型燃料电池

    公开(公告)号:US06916575B2

    公开(公告)日:2005-07-12

    申请号:US10296895

    申请日:2002-03-06

    摘要: In a polymer electrolyte fuel cell of the present invention, at least one of electrodes comprises conductive carbon carrying a platinum group metal catalyst, conductive carbon carrying no catalyst metal and a hydrogen ion-conductive polymer electrolyte. The preferable amount of the conductive carbon carrying no catalyst metal is equivalent to 5 to 50 wt % of the conductive carbon carrying the catalyst metal. Incorporation of the conductive carbon carrying no catalyst metal to the catalyst layer enables reduction in potential concentration on part of electron conduction channels in an electrode, whereby an electrode for a polymer electrolyte fuel cell having an excellent life characteristic can be provided.

    摘要翻译: 在本发明的高分子电解质型燃料电池中,电极中至少有一方含有携带铂族金属催化剂的导电性碳,不含有催化剂金属的导电性碳和氢离子传导型高分子电解质。 不含催化剂金属的导电性碳的优选量相当于载持催化剂金属的导电性碳的5〜50重量%。 将不含催化剂金属的导电性碳引入到催化剂层中能够减少电极中的一部分电子传导通道的电位浓度,由此可以提供具有优异寿命特性的固体高分子型燃料电池用电极。

    Method for Producing Gas Diffusion Electrode and Method for Producing Polymer Electrolyte Fuel Cell, and Gas Diffusion Electrode and Polymer Electrolyte Fuel Cell
    8.
    发明申请
    Method for Producing Gas Diffusion Electrode and Method for Producing Polymer Electrolyte Fuel Cell, and Gas Diffusion Electrode and Polymer Electrolyte Fuel Cell 有权
    生产气体扩散电极的方法及生产聚合物电解质燃料电池的方法,以及气体扩散电极和聚合物电解质燃料电池

    公开(公告)号:US20080274387A1

    公开(公告)日:2008-11-06

    申请号:US11579344

    申请日:2005-07-05

    摘要: The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer electrolyte fuel cell including the gas diffusion electrode. The gas diffusion electrode includes a catalyst layer in which A1 representing a total mass of organic substance comprising alcohol, a partial oxide of the alcohol, a product of intramolecular dehydrogenation reaction of the alcohol, a product of intermolecular condensation reaction of the alcohol, a product of intermolecular condensation reaction between the alcohol and the partial oxide and a product of intermolecular condensation reaction of the partial oxide, E1 representing a total mass of carbon powder and G1 representing a total mass of cation exchange resin are controlled to satisfy {100×A1/(E1+G1)}≦0.05.

    摘要翻译: 本发明提供一种气体扩散电极,其能够充分地防止存储期间的MEA的劣化,而且能够在从生产到初始使用的时间段期间的初始特性和耐久性的劣化,以及包括气体扩散电极的固体高分子型燃料电池。 气体扩散电极包括催化剂层,其中表示包含醇的有机物质的总质量,醇的部分氧化物,醇的分子内脱氢反应的产物,分子间的产物 醇的缩合反应,醇和部分氧化物之间的分子间缩合反应的产物和部分氧化物的分子间缩合反应的产物,代表碳粉末的总质量,G < 控制表示阳离子交换树脂的总质量的SUB> 1 以满足{100×A 1 + )} <= 0.05。

    Polymer electrolytic fuel cell
    10.
    发明授权
    Polymer electrolytic fuel cell 失效
    聚合物电解燃料电池

    公开(公告)号:US06696194B1

    公开(公告)日:2004-02-24

    申请号:US10088302

    申请日:2002-03-18

    IPC分类号: H01M0200

    摘要: A polymer electrolyte fuel cell including a hydrogen-ion-conductive polymer electrolyte membrane, a pair of electrodes sandwiching the membrane, a conductive separator plate having a gas passage for supplying a fuel to one of the electrodes, and a conductive separator plate having a gas passage for supplying an oxidant to the other electrode. The metallic conductive separator plate is a type in which a conductive coat including conductive particles and glass is formed on a surface having a gas passage. As a result, the corrosion of the metallic plate is suppressed and the degradation of the power generation efficiency after extended use is also suppressed.

    摘要翻译: 一种包含氢离子传导性聚合物电解质膜,一对夹着膜的电极的固体高分子型燃料电池,具有用于向一方电极供给燃料的气体通路的导电性隔板,以及具有气体的导电性隔板 用于向另一个电极供应氧化剂的通道。 金属导电性隔板是在具有气体通路的表面上形成有导电性粒子和玻璃的导电性涂层的形式。 结果,抑制了金属板的腐蚀,并且延长使用后的发电效率的劣化也被抑制。