Alloy compositions for lithium ion batteries
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United States of America Patent
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Aug 3, 2010
Grant Date -
Jan 25, 2007
app pub date -
Mar 23, 2006
filing date -
Jul 25, 2005
priority date (Note) -
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Abstract
Alloy compositions are described for use in anodes of lithium ion batteries. The alloy compositions contain (a) tin, (b) a second element that includes silicon, aluminum, or a combination thereof, (c) a third element that includes yttrium, a lanthanide element, an actinide element, or a combination thereof and an optional alkaline earth element, and (d) an optional transition metal. The alloy compositions are amorphous and remain amorphous even after multiple cycles of lithiation and delithiation.
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