Hydrogen storage alloys
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Aug 31, 1993
filing date -
Aug 31, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention discloses a hydrogen storage alloy having a formula of Mm.sub.1-a M.sub.a Ni.sub.b Mn.sub.c Co.sub.d Al.sub.e X.sub.f wherein, Mm is misch metal mainly containing La, Ce, Pr, Nd and the balance amount of unavoidable impurities; M is titanium, zirconium or the mixture thereof; X is nitrogen, boron or the mixture thereof; and a is in the range of 0.01-0.2; b is in the range of 3.50-4.60; c is in the range of 0.20-0.60; d is in the range of 0.10-0.7; e is in the range of 0.1-0.5; f is in the range of 0.005-0.2; and b+c+d+e+f is in the range of 4.8-5.4.
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