Binder for batteries, and electrode compositions and batteries incorporating same
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Jun 18, 1996
filing date -
Oct 19, 1994
priority date (Note) -
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Abstract
A binder for use in batteries which is in the form of an aqueous or nonaqueous dispersion or a powder comprising core-shell composite fine particles 0.05 to 1 .mu.m in mean particle size and each having a core of a fibrillating polytetrafluoroethylene and a shell of a nonfibrillating polymer, the composite fine particles having a core-to-shell ratio by weight of 98:2 to 50:50, and electrode compositions and batteries incorporating the binder.
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