Anodes for rechargeable lithium batteries
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Oct 26, 2000
filing date -
Jul 9, 1998
priority date (Note) -
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Abstract
A negative electrode (12) for a non-aqueous electrochemical cell (10) with an intermetallic host structure containing two or more elements selected from the metal elements and silicon, capable of accommodating lithium within its crystallographic host structure such that when the host structure is lithiated it transforms to a lithiated zinc-blende-type structure. Both active elements (alloying with lithium) and inactive elements (non-alloying with lithium) are disclosed. Electrochemical cells and batteries as well as methods of making the negative electrode are disclosed.
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