High storage capacity, fast kinetics, long cycle-life, hydrogen storage alloys
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United States of America Patent
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Jun 8, 2004
Grant Date -
Dec 5, 2002
app pub date -
Jun 20, 2002
filing date -
Nov 6, 1999
priority date (Note) -
Expired
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Abstract
Hydrogen propelled vehicles and fundamentally new magnesium-based hydrogen storage alloy materials which for the first time make it feasible and practical to use solid state storage and delivery of hydrogen to power internal combustion engine or fuel cell vehicles. These exceptional alloys have remarkable hydrogen storage capacity of well over 6 weight % coupled with extraordinary absorption kinetics such that the alloy powder absorbs 80% of its total capacity within 10 minutes at 300.degree. C. and a cycle life of at least 500 cycles without loss of capacity or kinetics.
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