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公开(公告)号:US4782586A
公开(公告)日:1988-11-08
申请号:US172958
申请日:1988-03-23
申请人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
发明人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
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。
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公开(公告)号:US4891279A
公开(公告)日:1990-01-02
申请号:US183303
申请日:1988-04-11
申请人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
发明人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
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。
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公开(公告)号:US4617053A
公开(公告)日:1986-10-14
申请号:US778456
申请日:1985-09-20
申请人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
发明人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
摘要: A refractory hard metal-metal composite is formed by impregnating a porous refractory hard metal article with molten metal.
摘要翻译: 通过用熔融金属浸渍多孔耐火硬金属制品来形成难熔硬金属 - 金属复合材料。
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公开(公告)号:US4611396A
公开(公告)日:1986-09-16
申请号:US723419
申请日:1985-04-15
申请人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
发明人: Louis A. Joo , Kenneth W. Tucker , Jay R. Shaner
CPC分类号: H01M4/96 , Y10T29/49108 , 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.
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公开(公告)号:US4529494A
公开(公告)日:1985-07-16
申请号:US611496
申请日:1984-05-17
摘要: A monolithic bipolar electrode for the production of primary aluminum by molten salt electrolysis is composed of a cermet anodic layer 10, a conductive and diffusion-resistant intermediate layer 14, and a refractory hard metal cathodic layer 20, with the edges covered by an electrolyte-resistant coating. The intermediate conductive layer 14 has a coefficient of thermal expansion intermediate to the anodic and cathodic layers.
摘要翻译: 用于通过熔盐电解生产原铝的单片双极电极由金属陶瓷阳极层10,导电和扩散中间层14和难熔硬金属阴极层20组成,其边缘被电解质 - 耐磨涂层。 中间导电层14具有在阳极和阴极层之间的热膨胀系数。
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公开(公告)号:US4526669A
公开(公告)日:1985-07-02
申请号:US384594
申请日:1982-06-03
申请人: Louis A. Joo , Kenneth W. Tucker , Scott D. Webb
发明人: Louis A. Joo , Kenneth W. Tucker , Scott D. Webb
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。
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公开(公告)号:US4376029A
公开(公告)日:1983-03-08
申请号:US186181
申请日:1980-09-11
CPC分类号: C04B35/58071 , C04B35/52 , C04B35/532 , C25C3/08
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。
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公开(公告)号:US4728535A
公开(公告)日:1988-03-01
申请号:US742672
申请日:1985-06-07
摘要: Thin carbon products are produced from cellulose material by impregnation with a carbonaceous material followed by curing and baking. The baked product may optionally be graphitized depending on end use.
摘要翻译: 薄碳产品通过用碳质材料浸渍然后固化和烘烤由纤维素材料生产。 烘焙产品可根据最终用途任意石墨化。
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公开(公告)号:US4465581A
公开(公告)日:1984-08-14
申请号:US287129
申请日:1981-07-27
申请人: Leslie H. Juel , Louis A. Joo' , Kenneth W. Tucker
发明人: Leslie H. Juel , Louis A. Joo' , Kenneth W. Tucker
CPC分类号: C04B35/532 , C04B35/52 , C04B35/58071 , C04B35/64 , C04B35/645 , C25C3/08
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。
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10.
公开(公告)号:US4377463A
公开(公告)日:1983-03-22
申请号:US287127
申请日:1981-07-27
申请人: Louis A. Joo , Kenneth W. Tucker , Scott D. Webb
发明人: Louis A. Joo , Kenneth W. Tucker , Scott D. Webb
CPC分类号: C04B35/58071 , C04B35/52 , C04B35/64 , C25C3/08 , C04B2235/656
摘要: TiB.sub.2 -carbon composites are produced by mixing the raw materials comprised of carbon, TiB.sub.2, pitch, and other reactants, forming a shaped article, processing in a nitrogen atmosphere up to 2100.degree. C., and in a noble gas above 2100.degree. C.
摘要翻译: 通过将由碳,TiB 2,沥青和其他反应物组成的原料混合,形成成型制品,在高达2100℃的氮气气氛中加工,并在高于2100℃的惰性气体中混合制备TiB 2 - 碳复合材料。
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