Mixed ionic conductors
    11.
    发明授权
    Mixed ionic conductors 失效
    混合离子导体

    公开(公告)号:US5387330A

    公开(公告)日:1995-02-07

    申请号:US913958

    申请日:1992-07-17

    摘要: The present invention relates to a mixing ion conductive material for use in an electrochemical device such as a fuel cell or a sensor and more particularly to the super ion conductive material based on protons or oxide cations and also to a synthesizing method of the mixing ion conductive material.A mixing ion conductive oxide which has a proton conductivity and/or oxide cation conductivity and has a composition comprising 1 mol of barium oxide, 1-x mol of cerium oxide and x mol of gadolinium oxide; wherein 1>x>0.1. When x=0.2, the mixing ion conductive material shows a conductivity shown in FIG. 2. The oxide sintered body mentioned above has a density higher than 96.5% of the theoretical density and a grain size of 0.1 to 10 micron. The synthesizing method of the oxide sintered body is characterized by that the powders for use in the final heat treatment is crushed into a particle size less than 3 micron and is subjected to a vacuum drying process. Further, the sintering temperature is specified to a temperature between 1635.degree. C. and 1665.degree. C.

    摘要翻译: 本发明涉及用于诸如燃料电池或传感器的电化学装置中的混合离子传导材料,更具体地涉及基于质子或氧化物阳离子的超离子导电材料,还涉及一种混合离子导电 材料。 具有质子传导性和/或氧化物阳离子导电性并具有1摩尔氧化钡,1摩尔氧化铈和x摩尔氧化钆的组成的混合离子传导性氧化物; 其中1> x> 0.1。 当x = 0.2时,混合离子传导材料显示出如图1所示的电导率。 上述氧化物烧结体的密度高于理论密度的96.5%,粒径为0.1〜10微米。 氧化物烧结体的合成方法的特征在于,用于最终热处理的粉末粉碎成小于3微米的粒度,并进行真空干燥处理。 此外,烧结温度规定为1635℃至1665℃之间的温度。

    Solid electrolyte fuel cell
    12.
    发明授权
    Solid electrolyte fuel cell 失效
    固体电解质燃料电池

    公开(公告)号:US5288562A

    公开(公告)日:1994-02-22

    申请号:US820509

    申请日:1992-01-14

    摘要: A solid electrolyte fuel cell having a multi-layer structure of flat unit cells composed of a solid electrolyte, a first electrode and a second electrode with metal bipolar plates as gas barriers and collectors preferably made of foam metal or a foam alloy interposed between the adjacent unit cells. A fuel gas and an oxidizing gas are supplied to the fuel cell so that they flow in the directions crossing each other with the solid electrolyte interposed therebetween. The metal bipolar plate is preferably provided with grooves so that the fuel gas and the oxidizing gas can be uniformly distributed over the plate.

    摘要翻译: 一种固体电解质燃料电池,其具有由固体电解质,第一电极和金属双极板作为气体阻挡层的第二电极构成的平坦单元电池的多层结构,并且优选由发泡金属或泡沫合金制成的集电体, 单元格单元格 将燃料气体和氧化气体供给到燃料电池,使得它们以固体电解质插入其间彼此交叉的方向流动。 金属双极板优选地设置有槽,使得燃料气体和氧化气体可以均匀地分布在板上。

    Solid electrolyte fuel cell and method for manufacture of same
    13.
    发明授权
    Solid electrolyte fuel cell and method for manufacture of same 失效
    固体电解质燃料电池及其制造方法

    公开(公告)号:US5244753A

    公开(公告)日:1993-09-14

    申请号:US942373

    申请日:1992-09-09

    IPC分类号: H01M8/12

    摘要: This invention provides a solid electrolyte fuel cell operable with high efficiency even in the temperature range of about 850.degree. to 650.degree. C., The invention is characterized by the use of a novel perovskite double oxide of the composition A.sub.X B.sub.Y O.sub.3-.alpha.. The fabrication of the electrolyte, air electrode and fuel electrode layers by tape casting has contributed to marked improvement in processability and productivity.

    摘要翻译: 本发明提供即使在约850℃至650℃的温度范围内也可高效运行的固体电解质燃料电池。本发明的特征在于使用组合物AXBYO3-α的新型钙钛矿双氧化物。 通过带状铸造制造电解质,空气电极和燃料电极层有助于加工性和生产率的显着提高。

    Polymer electrolyte fuel cell
    15.
    发明授权
    Polymer electrolyte fuel cell 失效
    聚合物电解质燃料电池

    公开(公告)号:US07005205B1

    公开(公告)日:2006-02-28

    申请号:US10069900

    申请日:2000-08-30

    IPC分类号: H01M2/00

    摘要: A polymer-electrolyte fuel cell having: an electrolyte membrane-electrode assembly having a polymer-electrolyte membrane and a pair of gas-diffusion electrodes sandwiching the polymer-electrolyte membrane; a first electroconductive separator having a gas channel for supplying an oxidant gas to one of the gas-diffusion electrodes of said pair; and a second electroconductive separator having a gas channel for supplying a fuel gas to the other of the gas-diffusion electrodes of the pair. The polymer-electrolyte fuel cell is characterized in that: at least one of the first and second electroconductive separators has a metal substrate and an electroconductive resin layer on the substrate and contacting the electrolyte membrane-electrode assembly; and the electroconductive resin layer has a resin having water-repellant or basic radicals, and an electroconductive particulate substance which has a carbon powder of a specific surface area of less than 100 m2/g.

    摘要翻译: 一种聚合物 - 电解质燃料电池,具有:具有聚合物电解质膜的电解质膜 - 电极组件和夹着所述聚合物电解质膜的一对气体扩散电极; 第一导电分离器,具有用于向所述对的气体扩散电极之一供给氧化剂气体的气体通道; 以及具有用于将燃料气体供给到该对气体扩散电极中的另一个的气体通道的第二导电隔离器。 聚合物 - 电解质燃料电池的特征在于:第一和第二导电隔板中的至少一个在基板上具有金属基板和导电树脂层并与电解质膜 - 电极组件接触; 并且导电树脂层具有具有防水性或碱性自由基的树脂和具有比表面积小于100m 2 / g的碳粉末的导电性颗粒物质。

    Polymer electrolyte fuel cell
    17.
    发明授权
    Polymer electrolyte fuel cell 失效
    聚合物电解质燃料电池

    公开(公告)号:US06884536B1

    公开(公告)日:2005-04-26

    申请号:US10129314

    申请日:2000-11-08

    摘要: A polymer electrolyte fuel cell comprising a hydrogen-ion conductive polymer electrolyte membrane, an anode and a cathode sandwiching the hydrogen-ion conductive polymer electrolyte membrane, an anode-side conductive separator plate having gas flow channels for supplying a fuel gas to the anode, and a cathode-side conductive separator plate having gas flow channels for supplying an oxidant gas to the cathode, wherein the anode-side and cathode-side conductive separator plates have a substantially rectangular part in contact with the anode or cathode in which the length of a longer side is equal to or more than twice the length of a shorter side, and the oxidant gas flow channels have a linear part formed along the longer side of the rectangular part.

    摘要翻译: 一种聚合物电解质燃料电池,包括氢离子导电聚合物电解质膜,负极和阴极夹着氢离子导电聚合物电解质膜,阳极侧导电隔板,具有用于向阳极供应燃料气体的气体流路, 以及具有用于向阴极供给氧化剂气体的气体流动通道的阴极侧导电隔板,其中阳极侧和阴极侧导电隔板具有与阳极或阴极接触的大致矩形部分, 长边等于或大于短边长度的两倍,并且氧化剂气体流动通道具有沿矩形部分的长边形成的直线部分。

    Polymer electrolyte fuel cell
    18.
    发明授权
    Polymer electrolyte fuel cell 失效
    聚合物电解质燃料电池

    公开(公告)号:US07008714B1

    公开(公告)日:2006-03-07

    申请号:US10111261

    申请日:2000-10-20

    IPC分类号: H01M8/02 H01M8/10

    摘要: The invention relates to a polymer electrolyte fuel cell comprising a polymer electrolyte film of hydrogen ion conduction; an anode and a cathode between which the electrolyte film is placed; a conductive separator having a channel through which fuel gas is supplied to the anode, and a conductive separator having a channel through which oxidative gas is supplied to the cathode. The conventional conductive separator uses a carbon material that is unlikely to be less costly, and an attempt has been made to use a metal plate in place of the carbon material. Since the metal plate is exposed to an oxidizing atmosphere at high temperature for a long time, however, corrosion may occur, disadvantageously causing the efficiency of power generation to decrease gradually. The polymer electrolyte fuel cell of this invention uses an acid-resistant conductive airtight elastomer as a conductive separator for substantial cost reduction.

    摘要翻译: 本发明涉及一种包含氢离子传导的聚合物电解质膜的聚合物电解质燃料电池; 阳极和阴极,其间放置电解质膜; 导电隔板,其具有通向该阳极供给燃料气体的通道,以及具有通道的导电隔板,氧化气体通过该通道供给阴极。 常规的导电隔离器使用不太可能降低成本的碳材料,并且试图使用金属板代替碳材料。 然而,由于金属板长期在高温下暴露于氧化性气氛,所以可能会发生腐蚀,不利地导致发电效率逐渐降低。 本发明的高分子电解质型燃料电池使用耐酸性导电性气密弹性体作为导电性隔板,实现大幅降低成本。

    Fuel cell system
    19.
    发明授权
    Fuel cell system 失效
    燃料电池系统

    公开(公告)号:US06638655B2

    公开(公告)日:2003-10-28

    申请号:US09829465

    申请日:2001-04-10

    IPC分类号: H01M812

    摘要: The invention provides a fuel cell system that is free from troubles due to contaminant ions by controlling the concentration of contaminant ions in cooling water. The fuel cell system comprises a fuel cell stack and a means for controlling the cell temperature by circulating a liquid coolant in the fuel cell stack or bringing it in contact with the fuel cell stack, the fuel cell stack comprising a plurality of unit cells that are laid one upon another, each of the unit cells comprising a hydrogen ion-conductive electrolyte membrane, a pair of gas diffusion electrodes which sandwich the electrolyte membrane, an anode-side conductive separator plate having a gas flow path for supplying a fuel gas to one of the electrodes, and a cathode-side conductive separator plate having a gas flow path for supplying an oxidant gas to the other of the electrodes, wherein a material adsorbing or absorbing ions is provided on a portion of the fuel cell system to come in contact with the liquid coolant.

    摘要翻译: 本发明提供了一种燃料电池系统,其通过控制冷却水中污染物离子的浓度而不会由于污染物离子而引起的麻烦。 燃料电池系统包括燃料电池堆和用于通过使燃料电池堆中的液体冷却剂循环或使其与燃料电池堆接触来控制电池温度的装置,该燃料电池堆包括多个单电池, 彼此叠置,每个单电池包括氢离子传导电解质膜,一对夹着电解质膜的气体扩散电极,具有用于将燃料气体供应到一个的气体流路的阳极侧导电隔板 以及阴极侧导电性隔板,其具有用于将氧化剂气体供给到另一个电极的气体流路,其中吸附或吸收离子的材料设置在燃料电池系统的一部分上以接触 与液体冷却剂。