Process for the production of a porous monolithic graphite plate
    1.
    发明授权
    Process for the production of a porous monolithic graphite plate 失效
    用于生产多孔单片石墨板的方法

    公开(公告)号:US4782586A

    公开(公告)日:1988-11-08

    申请号:US172958

    申请日:1988-03-23

    IPC分类号: H01M4/96 H01M6/00

    CPC分类号: H01M4/96 Y10T29/49115

    摘要: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

    摘要翻译: 用于燃料电池的多孔石墨电极通过在活性中心区域上涂覆或浸渍低焦炭产量浸渍剂并在边缘上具有高焦炭产量的浸渍剂浸渍纤维素滤纸而形成,然后固化,烘烤和 石墨化电极以形成在边缘处具有致密的低孔隙率区域的单片多孔石墨电极基底,具有较不致密的较高孔隙率的中心工作区域。

    Fuel cell plate separator
    2.
    发明授权
    Fuel cell plate separator 失效
    燃料电池板分离器

    公开(公告)号:US4891279A

    公开(公告)日:1990-01-02

    申请号:US183303

    申请日:1988-04-11

    IPC分类号: H01M4/96

    CPC分类号: H01M4/96

    摘要: A porous graphite electrode for a fuel cell is formed by impregnation of a cellulosic filter paper by coating or impregnating with a low coke yield impregnant on the active center area and with a high coke yield impregnant on the edges, followed by curing, baking, and graphitizing the electrode to form a monolithic porous graphite electrode base with a dense low porosity area at the edges with a less dense higher porosity center working area.

    摘要翻译: 用于燃料电池的多孔石墨电极通过在活性中心区域上涂覆或浸渍低焦炭产量浸渍剂并在边缘上具有高焦炭产量的浸渍剂浸渍纤维素滤纸而形成,然后固化,烘烤和 石墨化电极以形成在边缘处具有致密的低孔隙率区域的单片多孔石墨电极基底,具有较不致密的较高孔隙率的中心工作区域。

    Cathodic component for aluminum reduction cell
    6.
    发明授权
    Cathodic component for aluminum reduction cell 失效
    铝还原电池的阴极组件

    公开(公告)号:US4526669A

    公开(公告)日:1985-07-02

    申请号:US384594

    申请日:1982-06-03

    CPC分类号: C25C3/08 Y02P10/262

    摘要: A cathodic element for a Hall-Heroult aluminum reduction cell is formed from a refractory hard metal, preferably TiB.sub.2, in a generally mushroom-shaped configuration. The element is economical of raw materials and has improved thermal endurance when compared to a right cylinder or other element of uniform cross-section.

    摘要翻译: 用于Hall-Heroult铝还原电池的阴极元件由通常为蘑菇形构造的耐火硬金属(优选TiB 2)形成。 该元件是经济的原材料,并且与右圆筒或其他均匀横截面的元件相比具有改善的耐热性。

    Titanium diboride-graphite composits
    7.
    发明授权
    Titanium diboride-graphite composits 失效
    二硼化钛 - 石墨复合材料

    公开(公告)号:US4376029A

    公开(公告)日:1983-03-08

    申请号:US186181

    申请日:1980-09-11

    摘要: A cathode component for a Hall aluminum cell is economically produced from a mixture of a carbon source, preferably calcined petroleum coke, and optionally calcined acicular needle petroleum coke, calcined anthracite coal; a binder such as pitch including the various petroleum and coal tar pitches; titanium dioxide, TiO.sub.2 ; and boric acid, B.sub.2 O.sub.3 or boron carbide, B.sub.4 C; forming said mixture into shapes and heating to a TiB.sub.2 -forming temperature.

    摘要翻译: 一种用于霍尔铝电池的阴极组件由碳源,优选煅烧石油焦炭和可选地煅烧的针状针石油焦炭,煅烧无烟煤的混合物经济地制备; 诸如沥青的粘合剂,包括各种石油和煤焦油沥青; 二氧化钛,二氧化钛; 硼酸,B2O3或碳化硼,B4C; 将所述混合物形成形状并加热至形成TiB 2的温度。

    Composite of TiB.sub.2 -graphite
    9.
    发明授权
    Composite of TiB.sub.2 -graphite 失效
    TiB2-石墨复合材料

    公开(公告)号:US4465581A

    公开(公告)日:1984-08-14

    申请号:US287129

    申请日:1981-07-27

    摘要: TiB.sub.2 -graphite composite articles suitable for use as cathode components in a Hall aluminum reduction cell are made by impregnating a TiO.sub.2 -carbon composite with a boron compound and carbon black dispersed in water, or alternately by impregnating a boron or boron compound-carbon composite with a carbon black-TiO.sub.2 dispersion, and heating the article to a reaction temperature whereby TiB.sub.2 is formed and the amorphous carbon converted to graphite. The article may be impregnated with a carbonizable liquid, re-baked, and re-heated to a graphitizing temperature to increase its strength and density.

    摘要翻译: 适用于霍尔铝还原电池中的阴极组分的TiB2-石墨复合材料是通过用分散在水中的硼化合物和炭黑浸渍TiO 2 - 碳复合材料,或者通过将硼或硼化合物 - 碳复合物浸渍 炭黑-TiO 2分散体,并将制品加热至形成TiB 2并将无定形碳转化为石墨的反应温度。 该物品可以用可碳化液体浸渍,再烘烤并再次加热至石墨化温度以增加其强度和密度。