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    • 10. 发明授权
    • Silicide compositions containing alkali metals and methods of making the same
    • 含有碱金属的硅化物组合物及其制备方法
    • US08986643B2
    • 2015-03-24
    • US13445557
    • 2012-04-12
    • Michael LefenfeldJames L. Dye
    • Michael LefenfeldJames L. Dye
    • C01B3/06C01B3/08C01B33/06
    • C11D7/04C01B3/06C01B3/08C01B33/06C11D17/042F24V30/00Y02E60/364
    • The invention relates to a method of making alkali metal silicide compositions, and the compositions resulting from the method, comprising mixing an alkali metal with silicon and heating the resulting mixture to a temperature below about 475° C. The resulting compositions do not react with dry O2. Also, the invention relates to sodium silicide compositions having a powder X-ray diffraction pattern comprising at least three peaks with 2Theta angles selected from about 18.2, 28.5, 29.5, 33.7, 41.2, 47.4, and 56.2 and a solid state 23Na MAS NMR spectra peak at about 18 ppm. Moreover, the invention relates to methods of removing a volatile or flammable substance in a controlled manner. Furthermore, the alkali metal silicide compositions of the invention react with water to produce hydrogen gas.
    • 本发明涉及一种制备碱金属硅化物组合物的方法和由该方法得到的组合物,其包括将碱金属与硅混合并将所得混合物加热至低于约475℃的温度。所得组合物不与干 O2。 此外,本发明涉及具有粉末X射线衍射图的硅化钠组合物,其包含至少三个具有选自约18.2,28.5,29.5,33.7,41.2,47.4和56.2的2θ角的峰和固态23Na MAS NMR光谱 峰值约为18ppm。 此外,本发明涉及以受控方式除去挥发性或易燃物质的方法。 此外,本发明的碱金属硅化物组合物与水反应产生氢气。