Amorphous metal/metallic glass electrodes for electrochemical processes
First Claim
1. A metallic glass of use in electrochemical processes, said metallic glass consisting essentially of a material of the general nominal composition
whereinx is 0,2,4,6 or 8 atomic % andZ is a metalloid element.
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Abstract
Metallic glass/amorphous metal electrodes produced by rapid solidification (i) having a structure that is either amorphous or nanocrystalline, (ii) containing the principal alloying element as Ni, (iii) containing alloying conditions of Co and Mo in the range of 0 to 8 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 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.
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Citations
13 Claims
- 1. A metallic glass of use in electrochemical processes, said metallic glass consisting essentially of a material of the general nominal composition
- space="preserve" listing-type="equation">Ni.sub.72 Co.sub.8-x Mo.sub.x Z.sub.20
wherein x is 0,2,4,6 or 8 atomic % and Z is a metalloid element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
Specification