LaNi.sub.5 is-based metal hydride electrode in Ni-MH rechargeable cells
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United States of America Patent
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Mar 30, 1999
Issued Date -
N/A
app pub date -
Dec 13, 1996
filing date -
Jun 7, 1995
priority date (Note) -
Expired
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Abstract
An at least ternary metal alloy of the formula AB.sub.(Z-Y) X.sub.(Y) is disclosed. In this formula, A is selected from the rare earth elements, B is selected from the elements of Groups 8, 9, and 10 of the Periodic Table of the Elements, and X includes at least one of the following: antimony, arsenic, germanium, tin or bismuth. Z is greater than or equal to 4.8 and less than or equal to 6.0. Y is greater than 0 and less than 1. Ternary or higher-order substitutions to the base AB.sub.5 alloys that form strong kinetic interactions with the predominant metals in the base metal hydride are used to form metal alloys with high structural integrity after multiple cycles of hydrogen sorption.
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