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    • 5. 发明授权
    • Durable pd-based alloy and hydrogen generation membrane thereof
    • 耐用pd基合金及其氢生成膜
    • US07655183B2
    • 2010-02-02
    • US11712200
    • 2007-02-28
    • Raymond C. BennSusanne M. OpalkaThomas Henry Vanderspurt
    • Raymond C. BennSusanne M. OpalkaThomas Henry Vanderspurt
    • C22C5/04C22C5/00C22C30/00B01J20/28B01J35/00
    • C01B3/505B01D71/022B01D2325/22C01B2203/041C01B2203/047C01B2203/0475H01M8/0687
    • A durable Pd-based alloy is used for a H2-selective membrane in a hydrogen generator, as in the fuel processor of a fuel cell plant. The Pd-based alloy includes Cu as a binary element, and further includes “X”, where “X” comprises at least one metal from group “M” that is BCC and acts to stabilize the β BCC phase for stability during operating temperatures. The metal from group “M” is selected from the group consisting of Fe, Cr, Nb, Ta, V, Mo, and W, with Nb and Ta being most preferred. “X” may further comprise at least one metal from a group “N” that is non-BCC, preferably FCC, that enhances other properties of the membrane, such as ductility. The metal from group “N” is selected from the group consisting of Ag, Au, Re, Ru, Rh, Y, Ce, Ni, Ir, Pt, Co, La and In. The at. % of Pd in the binary Pd—Cu alloy ranges from about 35 at. % to about 55 at. %, and the at. % of “X” in the higher order alloy, based on said binary alloy, is in the range of about 1 at. % to about 15 at. %. The metals are selected according to a novel process.
    • 耐用的Pd基合金用于氢发生器中的H 2选择性膜,如在燃料电池厂的燃料处理器中。 Pd基合金包括Cu作为二元元素,并且还包括“X”,其中“X”包括至少一种B族的“M”族金属,并且用于稳定βBCC相以保持工作温度。 来自组“M”的金属选自Fe,Cr,Nb,Ta,V,Mo和W,Nb和Ta是最优选的。 “X”可以进一步包含至少一种金属,其来自非BCC(优选FCC)的组“N”,其提高膜的其它性质,例如延展性。 来自组“N”的金属选自Ag,Au,Re,Ru,Rh,Y,Ce,Ni,Ir,Pt,Co,La和In。 在。 二元Pd-Cu合金中Pd的%为约35at。 %至55华氏度。 %,和at。 基于所述二元合金的高阶合金中的“X”的%在约1at的范围内。 %至约15英寸 %。 根据新颖的方法选择金属。
    • 10. 发明授权
    • Hydrocarbon phosphonic acid surface treatment that eliminates hydrogen
absorption and enhances hydrogen degassing of aluminum at elevated
temperatures
    • 烃膦酸表面处理,消除氢吸收,并在升高的温度下增强铝的脱氢
    • US6120618A
    • 2000-09-19
    • US349665
    • 1999-07-08
    • Susanne M. Opalka
    • Susanne M. Opalka
    • C23C22/56C23C22/00
    • C23C22/56
    • A method of controlling bulk absorption of atomic hydrogen and facilitating degassing of hydrogen from aluminum alloy workpieces during heat treatments in furnaces with ambient and/or moisture-laden atmospheres by exposing the surface of the workpieces to a low molecular weight solution or dispersion of an alkyl phosphonic acid, an olefinic phosphonic acid or an aryl phosphonic acid before subjecting the workpieces to heat treatments. The workpieces exposed to the phosphonic acid solution or dispersion are subjected to heat treatment in furnaces having ambient or moisture-laden atmospheres. The solution or dispersion involves chemical species that are deposited onto the aluminum surface from the phosphonic acid solution or dispersion which substantially decrease the amount of atomic hydrogen entering the bulk of the workpieces from their surfaces during heat treatment and, in addition, facilitate removal of atomic and molecular hydrogen from the bulk of the workpieces during heat treatment.
    • 通过将工件的表面暴露于低分子量溶液或烷基分散体中,控制原子氢的大量吸收并促进在具有环境和/或含水量的气氛的炉中的热处理期间从铝合金工件脱氢的方法 膦酸,烯属膦酸或芳基膦酸,然后对工件进行热处理。 暴露于膦酸溶液或分散体的工件在具有环境或含水量的气氛的炉中进行热处理。 溶液或分散体包括从膦酸溶液或分散体沉积到铝表面上的化学物质,其在热处理期间从其表面大大减少进入大部分工件的原子氢的量,并且另外还有助于除去原子 和热处理期间大部分工件的分子氢。