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    • 4. 发明授权
    • Method of preparing a sintered lithium aluminate structure for
containing electrolyte
    • 制备含有电解质的铝酸锂烧结体的方法
    • US4251600A
    • 1981-02-17
    • US107760
    • 1979-12-27
    • James W. SimKimio Kinoshita
    • James W. SimKimio Kinoshita
    • C01F7/04C04B35/113H01M2/16H01M8/02H01M8/14B28B1/26
    • H01M2/1646C01F7/043C04B35/113H01M8/0295H01M2300/0048
    • A porous sintered tile is formed of lithium aluminate for retaining moltenlectrolyte within a fuel cell. The tile is prepared by reacting lithium hydroxide in aqueous solution with alumina particles to form beta lithium aluminate particles. The slurry is evaporated to dryness and the solids dehydrated to form a beta lithium aluminate powder. The powder is compacted into the desired shape and sintered at a temperature in excess of 1200 K. but less than 1900 K. to form a porous integral structure that is subsequently filled with molten electrolyte. A tile of this type is intended for use in containing molten alkali metal carbonates as electolyte for use in a fuel cell having porous metal or metal oxide electrodes for burning a fuel gas such as hydrogen and/or carbon monoxide with an oxidant gas containing oxygen.
    • 多孔烧结砖由铝酸锂形成,用于将熔融电解质保持在燃料电池内。 通过使氢氧化锂在水溶液中与氧化铝颗粒反应形成β铝酸锂颗粒来制备瓦。 将浆料蒸发至干,固体脱水形成β-铝酸锂粉末。 将粉末压实成所需的形状并在超过1200K但低于1900K的温度下烧结以形成随后用熔融电解质填充的多孔整体结构。 这种瓷砖用于将熔融碱金属碳酸盐作为电解液用于含有多孔金属或金属氧化物电极的燃料电池中,所述多孔金属或金属氧化物电极用含氧气的氧化剂气体燃烧诸如氢气和/或一氧化碳的燃料气体。
    • 5. 发明授权
    • Method of preparing electrolyte for use in fuel cells
    • 制备用于燃料电池的电解质的方法
    • US4115632A
    • 1978-09-19
    • US794295
    • 1977-05-05
    • Kimio KinoshitaJohn P. Ackerman
    • Kimio KinoshitaJohn P. Ackerman
    • C01F7/04H01M8/02H01M8/14H01M8/00
    • H01M8/144C01F7/043H01M8/0295H01M8/142H01M8/145Y02E60/526
    • An electrolyte compact for fuel cells includes a particulate support material of lithium aluminate that contains a mixture of alkali metal compounds, such as carbonates or hydroxides, as the active electrolyte material. The porous lithium aluminate support structure is formed by mixing alumina particles with a solution of lithium hydroxide and another alkali metal hydroxide, evaporating the solvent from the solution and heating to a temperature sufficient to react the lithium hydroxide with alumina to form lithium aluminate. Carbonates are formed by reacting the alkali metal hydroxides with carbon dioxide gas in an exothermic reaction which may proceed simultaneously with the formation with the lithium aluminate. The mixture of lithium aluminate and alkali metal in an electrolyte active material is pressed or otherwise processed to form the electrolyte structure for assembly into a fuel cell.
    • 用于燃料电池的电解质压块包括含有碱金属化合物如碳酸盐或氢氧化物的混合物作为活性电解质材料的铝酸锂颗粒载体材料。 通过将氧化铝颗粒与氢氧化锂和另一种碱金属氢氧化物的溶液混合,将溶剂从溶液中蒸发并加热到足以使氢氧化锂与氧化铝反应形成铝酸锂的温度来形成多孔铝酸锂载体结构。 碳酸盐通过使碱金属氢氧化物与二氧化碳气体在放热反应中反应而形成,放热反应可与铝酸锂形成同时进行。 将电解质活性材料中的铝酸锂和碱金属的混合物压制或以其它方式加工以形成用于组装成燃料电池的电解质结构。
    • 10. 发明授权
    • Treated carbon fibers with improved performance for electrochemical and
chemical applications
    • 经处理的碳纤维具有改善的电化学和化学应用性能
    • US5874166A
    • 1999-02-23
    • US708151
    • 1996-08-22
    • Xi ChuKimio Kinoshita
    • Xi ChuKimio Kinoshita
    • H01M4/58H01M4/62
    • H01M4/587H01M4/625Y10T428/292
    • A treated mesophase carbon fiber is disclosed having a high density of exposed edges on the fiber surface, and a method of making such a treated fiber. A carbon electrode is also described which is constructed from such treated mesophase carbon fibers. The resulting electrode, formed from such treated flexible carbon fibers, is characterized by a high density of active sites formed from such exposed edges, low corrosion, and good mechanical strength, and may be fabricated into various shapes. The treated mesophase carbon fibers of the invention are formed by first loading the surface of the mesophase carbon fiber with catalytic metal particles to form catalytic etch sites on a hard carbon shell of the fiber. The carbon fiber is then subject to an etch step wherein portions of the hard carbon shell or skin are selectively removed adjacent the catalytic metal particles adhering to the carbon shell. This exposes the underlying radial edges of the graphite-like layers within the carbon shell of the mesophase carbon fiber, which exposed radial edges then act as active sites of a carbon electrode subsequently formed from the treated mesophase carbon fibers.
    • 公开了在纤维表面上具有高密度的暴露边缘的处理的中间相碳纤维,以及制备这种处理过的纤维的方法。 还描述了由这种处理的中间相碳纤维构成的碳电极。 由这种处理的柔性碳纤维形成的所得电极的特征在于由这种暴露边缘形成的高密度的活性位点,低腐蚀性和良好的机械强度,并且可以制造成各种形状。 本发明的处理的中间相碳纤维通过首先将中间相碳纤维的表面与催化金属颗粒加载形成,以在纤维的硬碳壳上形成催化蚀刻位点。 然后对碳纤维进行蚀刻步骤,其中硬碳壳或皮肤的部分被选择性地除去附着在碳壳上的催化金属颗粒附近。 这暴露了中间相碳纤维的碳壳内的石墨状层的下面的径向边缘,其暴露的径向边缘然后作为随后由处理的中间相碳纤维形成的碳电极的活性位点。