Negative electrode for high-energy lithium-ion batteries and method of production
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United States of America Patent
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Aug 6, 2002
Grant Date -
N/A
app pub date -
May 19, 2000
filing date -
Jun 4, 1999
priority date (Note) -
Expired
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Abstract
The invention relates to negative electrodes for high-energy lithium-ion batteries, which contain Li--Me oxide with Me.dbd.Mn, Cr, Ni or Co as active cathode material, and to their production. The electrode composition contains a latex additive based on an acrylic acid derivative copolymer and a polymer binder containing butadiene units. The electrodes are produced by dispersing the carbon black, homogenized with the latex additive, in a solvent and mixing it with the graphite, and by stirring it to form a homogeneous composition, and not incorporating the polymer binder and applying the electrode composition thus obtained to the support substrate until the final stage.
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