Electricity: electrical systems and devices – Electrolytic systems or devices – Double layer electrolytic capacitor
Reexamination Certificate
2006-12-26
2006-12-26
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Double layer electrolytic capacitor
C361S503000, C361S504000, C361S508000, C361S512000, C361S516000, C423S44500R
Reexamination Certificate
active
07154738
ABSTRACT:
A polarizing electrode for an electric double layer capacitor has good moldability and is capable of achieving higher density of electrode and higher capacity. An electric double layer capacitor employs the same. The polarizing electrode for an electric double layer capacitor is made of an activated carbon obtained by activating a hard-to-graphitize material (for example, phenol resin) with water vapor, and the activated carbon has a median particle size within a range from 4 μm to 8 μm in the particle size distribution as measured by a laser diffraction method and a benzene adsorption ratio of not less than 47.0% and not more than 60% by weight of activated carbon.
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Iwaida Manabu
Murakami Ken-ichi
Oyama Shigeki
Arent & Fox PLLC
Ha Nguyen T.
Honda Motor Co. Ltd.
Kuraray Chemical Co., Ltd.
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