Negative active material composition for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including same
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jun 5, 2008
app pub date -
Nov 27, 2007
filing date -
Nov 27, 2006
priority date (Note) -
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Abstract
Negative active material compositions for rechargeable lithium batteries, negative electrodes for rechargeable lithium batteries, and rechargeable lithium batteries using the negative active material compositions are provided. The negative active material composition includes a negative active material, a polyimide precursor compound, and a highly flexible polymer. The negative active material composition prevents the electrode substrate from bending, thereby improving the capacity and cycle-life characteristics of the battery.
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