Method and apparatus for ultracapacitor electrode with controlled binder content
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United States of America Patent
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app pub date -
Jun 30, 2009
filing date -
Nov 22, 2005
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Abandoned
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Abstract
Particles of active electrode material are made by blending or mixing a mixture of activated carbon, optional conductive carbon, and binder. In selected implementations, binder content in the electrode material is relatively low, typically the binder content of the mixture being between about 3 percent and about 10 percent by weight. The electrode material may be attached to a current collector to obtain an electrode for use in various electrical devices, including a double layer capacitor. The composition of the mixture increases the energy density and the integrity of the electrode.
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