Use of sulfur-containing fuels for direct oxidation fuel cells
    3.
    发明申请
    Use of sulfur-containing fuels for direct oxidation fuel cells 审中-公开
    使用含硫燃料直接氧化燃料电池

    公开(公告)号:US20050227133A1

    公开(公告)日:2005-10-13

    申请号:US11140346

    申请日:2005-05-31

    摘要: The invention relates to a solid oxide fuel cell which comprises a solid electrolyte comprised of an electronic insulator which allows transfer of anions, a ceramic-metal composite anode and, a cathode. The fuel cell also comprises a sulfur-containing hydrocarbon fuel having a sulfur content of from about 1 ppm to about 5000 ppm and an oxygen source. The invention further relates to a process of producing electrical energy with the fuel cell and a process of restoring the operability of a fuel cell that was deactivated by sulfur poisoning. The invention also relates to a method for preparation of a porous cermet as a direct-oxidation anode with supported electrolyte structure for a solid-oxide fuel cell using a nickel cermet. The nickel cermet is leached to remove at least part of the nickel, thereby producing a porous oxide. The resulting porous oxide is then impregnated, preferably with a salt of copper, which is calcined to CuO, then reduced to elemental copper. The resulting copper cermet or copper-nickel alloy cermet can be used as the direct-oxidation anode. The starting material for the nickel cermet is preferably a tape formed from a slurry comprising NiO and a ceramic powder comprising YSZ. This tape is combined into an assemblage with one or two additional tapes cast from a slurry comprising a ceramic powder. The invention further relates to a solid-oxide fuel cell comprising an anode material with supported electrolyte structure made by this method and a process for producing electrical energy using this fuel cell.

    摘要翻译: 本发明涉及一种固体氧化物燃料电池,其包括由允许阴离子转移的电子绝缘体,陶瓷 - 金属复合阳极和阴极组成的固体电解质。 燃料电池还包含硫含量为约1ppm至约5000ppm的含硫烃燃料和氧源。 本发明还涉及一种利用燃料电池生产电能的方法以及恢复由硫中毒而失活的燃料电池的可操作性的过程。 本发明还涉及一种制备多孔金属陶瓷的方法,所述多孔金属陶瓷作为具有用于使用镍金属陶瓷的固体氧化物燃料电池的负载型电解质结构的直接氧化阳极。 将镍金属陶瓷浸出以除去至少部分镍,从而产生多孔氧化物。 然后将所得多孔氧化物浸渍,优选用铜盐,将其煅烧成CuO,然后还原成元素铜。 所得铜金属陶瓷或铜镍合金金属陶瓷可用作直接氧化阳极。 镍金属陶瓷的原料优选为由包含NiO和包含YSZ的陶瓷粉末的浆料形成的带。 该带被组合成具有从包含陶瓷粉末的浆料铸造的一个或两个附加带的组合件。 本发明还涉及一种固体氧化物燃料电池,其包括通过该方法制造的具有负载电解质结构的负极材料和使用该燃料电池产生电能的方法。

    SOLID-STATE ELECTROCHEMICAL NOX SENSORS
    4.
    发明申请
    SOLID-STATE ELECTROCHEMICAL NOX SENSORS 有权
    固态电化学NOX传感器

    公开(公告)号:US20070080061A1

    公开(公告)日:2007-04-12

    申请号:US11425556

    申请日:2006-06-21

    IPC分类号: G01N27/26

    摘要: The embodiments generally relate to porous electrodes for use in solid-state NOx sensors, whereby the electrodes are comprised primarily of ceramic material and electronically conducting material. The electrodes are prepared by impregnating a porous ceramic material with precursors to the electronically conducting material.

    摘要翻译: 实施方案通常涉及用于固态NOx传感器的多孔电极,由此电极主要由陶瓷材料和电子导电材料组成。 通过将具有前体的多孔陶瓷材料浸渍到电子导电材料来制备电极。