Electrochemical cell comprising a hydride-forming intermetallic

Details Electrochemical cell comprising a hydride-forming intermetallic Electrochemical cell comprising a hydride-forming intermetallic

1993-03-18

1995-11-28

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

429 59, 429218, 420900, H01M 404

Patent

active

054706750

ABSTRACT:
A rechargeable electrochemical cell having a negative electrode, whose electrochemically active material comprises an intermetallic compound having the CaCu.sub.5 -structure which forms a hydride with hydrogen, obtains a high loadability and a long life cycle by virtue of the fact that the intermetallic compound comprises a non-stoichiometric metastable phase. The intermetallic compound is, preferably, of the type having the composition AB.sub.m, where m exceeds 5.4.

REFERENCES:
patent: 4487817 (1984-12-01), Willems et al.
patent: 4623597 (1986-11-01), Sapru et al.
patent: 4925748 (1990-05-01), Ikoma et al.
patent: 5071720 (1991-12-01), Notten

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