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Title: Porous metal hydride composite and preparation and uses thereof

A composite formed from large pieces of aggregate formed from (1) metal hydride (or hydride-former) powder and (2) either metal powder or plastic powder or both is prepared. The composite has large macroscopic interconnected pores (much larger than the sizes of the powders which are used) and will have a very fast heat transfer rate and low windage loss. It will be useful, for example, in heat engines, hydrogen storage devices, and refrigerator components which depend for their utility upon both a fast rate of hydriding and dehydriding. Additionally, a method of preparing the composite and a method of increasing the rates of hydriding and dehydriding of metal hydrides are also given.
Inventors:
 [1];  [1]
  1. (Los Alamos, NM)
Issue Date:
OSTI Identifier:
864410
Assignee:
United States of America as represented by United States (Washington, DC) LANL
Patent Number(s):
US 4360569
Contract Number:
W-7405-ENG-36
Research Org:
Los Alamos National Laboratory (LANL), Los Alamos, NM
Country of Publication:
United States
Language:
English
Subject:
porous; metal; hydride; composite; preparation; formed; pieces; aggregate; hydride-former; powder; plastic; prepared; macroscopic; interconnected; pores; larger; sizes; powders; fast; heat; transfer; rate; windage; loss; useful; example; engines; hydrogen; storage; devices; refrigerator; components; depend; utility; hydriding; dehydriding; additionally; method; preparing; increasing; rates; hydrides; metal hydrides; heat engines; porous metal; heat engine; storage device; heat transfer; metal hydride; hydrogen storage; metal powder; storage devices; transfer rate; composite formed; fast rate; /428/419/423/