Hydrogen storage alloy containing iron
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United States of America Patent
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Jun 29, 1999
Grant Date -
N/A
app pub date -
Jul 16, 1996
filing date -
May 1, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To provide a hydrogen storage alloy usable as a negative electrode having a long life and good high-discharge characteristics. Hydrogen storage alloy for cell wherein its general expression is as follows: RNi.sub.a Co.sub.b Al.sub.c Mn.sub.d Fe.sub.e (where R is a mixture of rare earth elements and contains 25.about.75 wt. % La; 3.7.ltoreq.a.ltoreq.4.0, 0.1.ltoreq.b.ltoreq.0.4, 0.20.ltoreq.c.ltoreq.0.4, 0.30.ltoreq.d.ltoreq.0.45, 0.2.ltoreq.e.ltoreq.0.4, 0.5.ltoreq.b+c.ltoreq.0.7, and 5.0.ltoreq.a+b+c+d+e.ltoreq.5.0).
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