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Title: Metal hydrides as electrode/catalyst materials for oxygen evolution/reduction in electrochemical devices

An at least ternary metal alloy of the formula, AB.sub.(5-Y)X(.sub.y), is claimed. In this formula, A is selected from the rare earth elements, B is selected from the elements of groups 8, 9, and 10 of the periodic table of the elements, and X includes at least one of the following: antimony, arsenic, and bismuth. Ternary or higher-order substitutions, to the base AB.sub.5 alloys, that form strong kinetic interactions with the predominant metals in the base metal hydride are used to form metal alloys with high structural integrity after multiple cycles of hydrogen sorption.
Inventors:
 [1];  [2];  [2];  [2];  [3];  [4]
  1. (Arcadia, CA)
  2. (Pasadena, CA)
  3. (La Mesa, CA)
  4. (Whittier, CA)
Issue Date:
OSTI Identifier:
871092
Assignee:
California Institute of Technology (Pasadena, CA) OAK
Patent Number(s):
US 5656388
Contract Number:
FG03-94ER14493
Research Org:
California Institute of Technology (Pasadena, CA)
Country of Publication:
United States
Language:
English
Subject:
metal; hydrides; electrode; catalyst; materials; oxygen; evolution; reduction; electrochemical; devices; ternary; alloy; formula; 5-y; claimed; selected; rare; earth; elements; 10; periodic; table; following; antimony; arsenic; bismuth; higher-order; substitutions; base; alloys; form; strong; kinetic; interactions; predominant; metals; hydride; structural; integrity; multiple; cycles; hydrogen; sorption; metal hydrides; electrochemical devices; catalyst material; earth elements; rare earth; metal alloy; metal hydride; base metal; structural integrity; metal alloys; periodic table; form metal; electrochemical device; earth element; ternary metal; multiple cycles; oxygen evolution; hydrogen sorption; catalyst materials; /429/420/

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