Electrode sheet and electric double layer capacitor using the same
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United States of America Patent
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Issued Date -
May 18, 2006
app pub date -
Nov 14, 2005
filing date -
Nov 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrode sheet which is made by applying a coating solution prepared by dispersing graft polymer which is obtained by graft polymerizing an organic monomer and at least one of activated carbon and carbon black into a solvent over surfaces of a collector followed by drying and heat-treating. An electric double layer capacitor having a constitution of laminating a separator and the electrode sheet. An electrode sheet produced by forming polarizable electrodes strongly at ease over surfaces of collectors such as metal foil whose adhesion strength between the collector and the polarizable electrode hardly decreasing even by gases generated with repetition of charging and discharging electricity, oscillation or so and further, capable of maintaining characteristics such as internal resistance and so on favorably for a long term is provided.
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