Porous metal hydride composite and preparation and uses thereof

Details Porous metal hydride composite and preparation and uses thereof Porous metal hydride composite and preparation and uses thereof

1980-03-12

1982-11-23

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

75200, 75222, 423248, B22F 310, C01B 600

Patent

active

043605699

ABSTRACT:
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.

REFERENCES:
patent: 2671953 (1954-03-01), Balke
patent: 3793435 (1974-02-01), Reilly et al.
patent: 4036944 (1977-07-01), Blytas
patent: 4110425 (1978-08-01), Buhl et al.
patent: 4134490 (1979-01-01), Turillon et al.
patent: 4310601 (1982-01-01), Bernower
"Metal Hydrides of Improved Heat Transfer Characteristics", Moshe Ron. Proc. 11th Intersociety Energy Conversion Engineering Conference, (Am. Inst. Chem. E., N.Y., 1976), 954-960.
"A Detailed Analysis of the Hydriding Characteristics of LaNi.sub.5 ", (E. Ludin and F. E. Lynch., Proc. Tenth Intersociety Energy Conversion Eng. Conf., (Inst. E. & E. Eng., N.Y., 1975), 1380-1385.
"Hycsos: "D. M. Gruen et al., Proc. 11th Intersociety Energy Conversion & Eng. Conf., (Am. Inst. Chem. Eng., N.Y., 1976), 681-687.
"The Rate Limiting Processes for the Sorption of Hydrogen in LaNi.sub.5 ", O. Boser et al., Proc. Tenth IECEC, 1363-1369, 1975.

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