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    • 2. 发明授权
    • Amorphous metallic glass electrodes for electrochemical processes
    • 用于电化学过程的无定形金属玻璃电极
    • US06303015B1
    • 2001-10-16
    • US09459381
    • 1999-12-13
    • Steven J. ThorpeDonald W. Kirk
    • Steven J. ThorpeDonald W. Kirk
    • C22C1903
    • C25B11/04C22C45/04C25B1/02
    • Metallic glass/amorphous metal electrodes produced by rapid solidification (i) having a structure that is either amorphous or nanocrystalline, (ii) containing tile principal alloying element as Ni, (iii) containing alloying additions of Co and at least one member of group IVB, VB, VIB VIIB and/or VIIIB, preferably Cr and V, in the range of 0 to 20 at. %, and when combined with Ni, represent 0.75 to 0.85 of the atomic fraction of the alloy, and (iv) containing metalloid elements comprised preferably of one or more of the elements C, B, Si and P either singly or in combination to represent 0.15 to 0.25 atomic faction of the alloy. The electrodes have excellent thermal stability, improved stability in an aqueous electrolyte and can provide improved current efficiency—anodic overpotential performance. They are used in the electrolysis of aqueous electrolyte solutions such as mixtures of caustic and water in the production of oxygen and hydrogen.
    • 金属玻璃/非晶态金属电极通过快速固化(i)具有无定形或纳米晶体的结构,(ii)含有瓦片主要合金元素作为Ni,(iii)含有合金添加剂Co和至少一种IVB族成员 ,VB,VIB VIIB和/或VIIIB,优选为Cr和V,为0至20at。 %,并且当与Ni组合时,表示合金的原子级数的0.75至0.85,和(iv)单独或组合地含有优选由一种或多种元素C,B,Si和P组成的类金属元素,以代表 0.15〜0.25原子级的合金。 电极具有优异的热稳定性,在水性电解质中提高了稳定性,并且可以提供改善的电流效率 - 阳极超电位性能。 它们用于在生产氧气和氢气时电解含水电解质溶液如苛性碱和水的混合物。