Electrode for capacitor
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United States of America Patent
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May 16, 2006
Grant Date -
Sep 22, 2005
app pub date -
Dec 21, 2004
filing date -
Dec 26, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides an electrode for an electric double layer capacitor which enhances an adhesive property between an electrode layer and an etched aluminum foil current collector. An electrode for a capacitor, includes a current collector, an undercoat layer on the current collector, and an electrode layer on the undercoat layer, wherein the current collector is made of an aluminum foil; the undercoat layer includes at least electrically conductive particles (P) and a binder (B) in a weight ratio P/B of 0.25 to 2.33, and the binder (B) includes a fluorine-containing polymer as a main component; and the electrode layer includes at least a carbon material and a binder.
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