Method of manufacturing a ceramic/metal or ceramic/ceramic composite
article
    21.
    发明授权
    Method of manufacturing a ceramic/metal or ceramic/ceramic composite article 失效
    制造陶瓷/金属或陶瓷/陶瓷复合制品的方法

    公开(公告)号:US4961902A

    公开(公告)日:1990-10-09

    申请号:US945116

    申请日:1987-01-06

    摘要: A method for manufacturing ceramic/metal or ceramic/ceramic composite articles is disclosed. The articles can be useful for the production of aluminum in fused salt electrolysis cells, as armour plates for the protection against projectiles, cutting tools, or in abrasion resistance applications. The temperature slope of the process if optimized such that one of the reactants in the manufacturing proceeds through peritectic decomposition at a heating rate of low temperature increase for desirably uniform temperature distribution over the reaction mixture. Then the temperature increase is greatly elevated to obtain a reaction sintering condition for avoiding grain growth of undesired reaction products. Elevated temperature reaction sintering conditions can be maintained to decompose undesired components before they are entrapped by the reaction product.

    摘要翻译: 公开了陶瓷/金属或陶瓷/陶瓷复合制品的制造方法。 这些制品可用于在熔盐电解池中生产铝,作为用于防止抛射物,切削工具或耐磨性应用的防甲板。 该方法的温度斜率如果优化,使得制造中的一种反应物以低温加热速率的包晶分解进行,则在反应混合物上期望均匀的温度分布。 然后升高温度以获得用于避免不需要的反应产物晶粒生长的反应烧结条件。 可以保持升高的温度反应烧结条件以在不期望的组分被反应产物包埋之前分解。

    Environmental compensation method and apparatus for a fuel cell assembly
    23.
    发明授权
    Environmental compensation method and apparatus for a fuel cell assembly 失效
    燃料电池组件的环境补偿方法和装置

    公开(公告)号:US06207309B1

    公开(公告)日:2001-03-27

    申请号:US09356221

    申请日:1999-07-16

    IPC分类号: H01M0804

    摘要: An environmental compensation apparatus for an electrochemical fuel cell assembly, wherein a compressible material is dispersed within a coolant flow of the fuel cell assembly and is utilized to compensate for the expansion of the coolant when said fuel cell assembly is subjected to harsh environmental conditions. The compressible material is formed as a plurality of either polymeric or elastomer microspheres, each microsphere having a diameter larger than the pores of an anode or cathode flow field plate, yet smaller than the diameter of a coolant channel.

    摘要翻译: 一种用于电化学燃料电池组件的环境补偿装置,其中可压缩材料分散在燃料电池组件的冷却剂流中,并且用于当所述燃料电池组件经受恶劣的环境条件时补偿冷却剂的膨胀。 可压缩材料形成为多个聚合物或弹性体微球,每个微球的直径大于阳极或阴极流场板的孔,但小于冷却剂通道的直径。

    Aluminium reduction cell
    25.
    发明授权
    Aluminium reduction cell 失效
    铝还原电池

    公开(公告)号:US4737253A

    公开(公告)日:1988-04-12

    申请号:US896465

    申请日:1986-08-13

    IPC分类号: C25C3/08 C25C3/16

    CPC分类号: C25C3/16 C25C3/08

    摘要: In an aluminium reduction cell including a cell lining and embedded therein at least one cathode current collector including a high temperature section comprising an electrically conducting refractory material such as titanium diboride, generally in conjunction with molten aluminium metal, corrosion is a problem. The invention provides a substance to protect the collector section. The substance may be a liquid impermeable layer e.g. particulate material impregnated with a molten fluoride-or chloride-containing salt mixture; for a getter such as particulate aluminium to react chemically with gaseous corrosive species. Combinations of these substances may be used, optionally in conjunction with a solid layer such as an alumina or aluminium metal tube.

    摘要翻译: 在包括电池衬垫的铝还原电池中,包含至少一个阴极集电器的至少一个阴极集电器包括高温部分,该高温部分包括通常与熔融铝金属结合的二硼化钛的导电耐火材料,腐蚀是一个问题。 本发明提供一种保护收集器部分的物质。 该物质可以是液体不可渗透层,例如 用含氟化物或含氯化物的盐混合物浸渍的颗粒材料; 用于诸如颗粒状铝的吸气剂与气体腐蚀物质化学反应。 可以使用这些物质的组合,任选地与诸如氧化铝或铝金属管的固体层结合使用。

    Aluminium reduction cells
    26.
    发明授权
    Aluminium reduction cells 失效
    铝还原电池

    公开(公告)号:US4612103A

    公开(公告)日:1986-09-16

    申请号:US675732

    申请日:1984-11-28

    IPC分类号: C25C3/08 C25C3/16

    CPC分类号: C25C3/08 C25C3/16

    摘要: An aluminium reduction cell includes an anode 10, electrolyte 12, a cathode 14, a potlining 16 which may be of alumina and cathode current collectors embedded therein. The collectors include a section comprising a major proportion by volume of bodies 22, e.g. of titanium diboride or a TiB.sub.2 /Al cermet, joined or surrounded by aluminium, the section being so positioned that the aluminium is at least partly fluid when the cell is in operation. The bodies, which are preferably close-packed, may be cubic or cuboid or in the form of sheets or thin slabs arranged with their major faces parallel to one another and to the axis of the collector section. The collectors show good electrical conductivity together with satisfactory resistance to magnetic stirring and impact and transverse forces.

    摘要翻译: 铝还原电池包括阳极10,电解质12,阴极14,可以是氧化铝的阴极16和嵌入其中的阴极集电器。 收集器包括一个包含主体体积的主体22的部分,例如。 二硼化钛或由铝连接或围绕的二硼化钛或TiB2 / Al金属陶瓷,该部分被定位成使得当电池处于运行时铝至少部分是流体的。 优选紧密堆积的主体可以是立方体或长方体,或者是以它们的主表面彼此平行并且与收集器部分的轴线相排列的薄片或薄板的形式。 收集器显示出良好的导电性,同时具有令人满意的磁力搅拌和冲击力和横向力的阻力。