Solid-oxide fuel cell module for a fuel cell stack
    4.
    发明授权
    Solid-oxide fuel cell module for a fuel cell stack 失效
    用于燃料电池堆的固体氧化物燃料电池模块

    公开(公告)号:US07270906B2

    公开(公告)日:2007-09-18

    申请号:US10178809

    申请日:2002-06-24

    IPC分类号: H01M2/00 H01M2/02 H01M2/14

    摘要: A fuel cell module having four sheet metal parts stamped from flat stock. The parts do not require any forming operations such as folding or dishing. Each part may have a different thickness to suit its function. The first part is a cell mounting frame for receiving and supporting a PEN fuel cell element. The second part is a cathode spacer, the thickness of the spacer determining the height of the cathode air flow field. The third part is an anode spacer, the thickness of spacer determining the height of the anode fuel flow field. The fourth part is a separator plate for separating the anode gas flow in one cell from the cathode air flow in an adjacent cell in a fuel cell stack. The four plates are joined by welding or brazing and may be assembled in any order or combination which suits the assembly process. Any desired number of modules may be stacked together to form a fuel cell stack.

    摘要翻译: 一种燃料电池组件,具有由扁平材料冲压的四个金属片。 这些部件不需要任何成形操作,例如折叠或凹陷。 每个部件可能具有不同的厚度以适应其功能。 第一部分是用于接收和支撑PEN燃料电池元件的电池安装框架。 第二部分是阴极间隔件,间隔物的厚度确定阴极气流场的高度。 第三部分是阳极间隔物,间隔物的厚度决定阳极燃料流场的高度。 第四部分是用于将一个电池中的阳极气体流与燃料电池堆中相邻电池中的阴极空气流分离的隔板。 四个板通过焊接或钎焊连接,并且可以以适合组装过程的任何顺序或组合进行组装。 可以将任何所需数量的模块堆叠在一起以形成燃料电池堆。

    Method for improving robustness of solid oxide fuel cell stacks
    5.
    发明授权
    Method for improving robustness of solid oxide fuel cell stacks 有权
    改善固体氧化物燃料电池堆稳定性的方法

    公开(公告)号:US07833674B2

    公开(公告)日:2010-11-16

    申请号:US12564324

    申请日:2009-09-22

    IPC分类号: H01M8/10 H01M4/82

    摘要: A method for forming a solid oxide fuel cell stack from a plurality of individual solid oxide fuel cells, wherein the anodes of the solid oxide fuel cells are infiltrated by one or more materials for making the anodes less sensitive to sulfur poisoning and/or less subject to carbon degradation and/or for improving the electrochemical performance of the stack, the method comprising the steps of oxidizing the anodes of the individual solid oxide fuel cells before forming a stack, building a solid oxide fuel cell stack with all of the anodes in an oxidized state, reducing all of the anodes, and then infiltrating all of the anodes with at least one of the materials.

    摘要翻译: 一种从多个单独的固体氧化物燃料电池形成固体氧化物燃料电池堆的方法,其中固体氧化物燃料电池的阳极被一种或多种材料渗透,以使得阳极对硫中毒不太敏感和/或较少的主体 碳降解和/或改善堆的电化学性能,该方法包括以下步骤:在形成堆叠之前氧化各固体氧化物燃料电池的阳极,与所有阳极建立固体氧化物燃料电池堆 氧化态,还原所有阳极,然后用至少一种材料渗透所有的阳极。

    Method for preparing an interconnect
    6.
    发明授权
    Method for preparing an interconnect 失效
    准备互连的方法

    公开(公告)号:US07718295B2

    公开(公告)日:2010-05-18

    申请号:US11237333

    申请日:2005-09-28

    IPC分类号: H01M2/00 H01B13/00

    摘要: A method for preparing an interconnect is provided. The method comprises: providing a conductive base sheet including a first face and a second face, the first and second faces are disposed on opposite sides of the base sheet; preparing anode gas flow passages on the first face of the conductive base sheet; preparing cathode gas flow passages on the second face of the conductive base sheet; and selecting anode gas flow passage geometry having a first geometric configuration; and selecting cathode gas flow passage geometry having a second geometric configuration that is different from the first geometric configuration so as to optimize fuel and oxidant gas flow according to system requirements.

    摘要翻译: 提供一种制备互连的方法。 该方法包括:提供包括第一面和第二面的导电基片,第一和第二面设置在基片的相对侧上; 在导电基片的第一面上制备阳极气体流动通道; 在导电基片的第二面上制备阴极气流通道; 以及选择具有第一几何构型的阳极气体流路几何形状; 以及选择具有与第一几何构造不同的第二几何构型的阴极气体流路几何形状,以便根据系统要求优化燃料和氧化剂气体流量。

    Ceramic coatings for insulating modular fuel cell cassettes in a solid-oxide fuel cell stack
    9.
    发明授权
    Ceramic coatings for insulating modular fuel cell cassettes in a solid-oxide fuel cell stack 有权
    用于在固体氧化物燃料电池堆中绝缘模块化燃料电池盒的陶瓷涂层

    公开(公告)号:US07422819B2

    公开(公告)日:2008-09-09

    申请号:US11158369

    申请日:2005-06-22

    IPC分类号: H01M2/08

    摘要: In assembling an SOFC fuel cell stack from a plurality of cassettes, the mounting plate of one cassette is attached to, and insulated from, the separator plate of the next-adjacent cassette by a peripheral dielectric seal consisting of a ceramic coating and a metal braze. Materials suitable for the ceramic coating include yttrium stabilized zirconia (YSZ), zirconia toughened alumina, magnesium silicates such as the mineral forsterite, magnesium aluminates, magnesium aluminosilicates and lanthanum zirconate. The ceramic coating may be applied to the cassette's outer surface in known fashion as by physical vapor deposition, chemical vapor deposition, sputtering, and various methods of plasma spray. An underlayer of alumina may also be used to provide a redundant layer of electrical insulation.

    摘要翻译: 在从多个盒组装SOFC燃料电池堆时,一个盒的安装板通过由陶瓷涂层和金属钎焊组成的外围电介质密封件附接到下一相邻盒的隔板并与之隔绝 。 适用于陶瓷涂层的材料包括钇稳定氧化锆(YSZ),氧化锆增韧氧化铝,硅酸镁如矿物镁橄榄石,铝酸镁,硅铝酸镁和锆酸镧。 陶瓷涂层可以通过物理气相沉积,化学气相沉积,溅射和各种等离子体喷涂方法以已知的方式施加到盒的外表面。 也可以使用氧化铝的底层来提供冗余的电绝缘层。

    Compliant current collector for fuel cell anode and cathode
    10.
    发明授权
    Compliant current collector for fuel cell anode and cathode 有权
    符合燃料电池阳极和阴极的集电器

    公开(公告)号:US08048587B2

    公开(公告)日:2011-11-01

    申请号:US10305881

    申请日:2002-11-27

    IPC分类号: H01M4/86 H01M8/02

    摘要: An electrically-conductive mesh spacer incorporated into the hydrogen and air gas flow spaces between each anode and cathode and its adjacent interconnect in a fuel cell stack. The mesh is formed of metal strands and is formed into a predetermined three-dimensional pattern to make contact at a plurality of points on the surfaces of the electrode and the interconnect element. The formed mesh spacer is secured as by brazing to the interconnect element at a plurality of locations to form an interconnect, which preserves the pattern during assembly of a fuel cell stack. The height of the formed pattern is greater than the height of a gas flow space after fuel cell assembly, such that the mesh spacer is slightly compressed during assembly of a fuel cell stack. Because the metal mesh is both compliant and resilient, the compressed spacer is continuously urged into mechanical and electrical contact with its electrode over all temperatures and pressures to which the fuel cell assembly may be subjected during use.

    摘要翻译: 导电网格隔离物,其结合在燃料电池堆中的每个阳极和阴极之间的氢气和空气气体流动空间及其相邻的互连中。 网格由金属线形成,并且形成为预定的三维图案以在电极和互连元件的表面上的多个点处接触。 形成的网格间隔件通过在多个位置处通过钎焊固定到互连元件上,以形成互连,其在燃料电池堆的组装期间保持图案。 形成的图案的高度大于燃料电池组件之后的气体流动空间的高度,使得在燃料电池堆的组装期间网格间隔件被轻微地压缩。 因为金属网既顺从又具有弹性,所以在使用期间燃料电池组件可能经受的所有温度和压力下,压缩间隔物被连续推动与其电极机械和电接触。