Electrode material for electric double layer capacitor and process for producing the same, electrode for electric double layer capacitor, and electric double layer capacitor
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United States of America Patent
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May 24, 2011
Grant Date -
Jan 29, 2009
app pub date -
Apr 6, 2006
filing date -
Apr 8, 2005
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Abstract
The present invention provides an electrode material for an electric double layer capacitor which can provide an electric double layer capacitor having a low internal resistance and a large capacitance, a process for producing the same, and an electrode for an electric double layer capacitor and an electric double layer capacitor using the same. The electrode material of the present invention is characterized by comprising a carbonaceous material and an activated carbon, the carbonaceous material obtained by thermal-treating or activating a fullerene-containing soot or an extracted residue obtained by substantially extracting at least a part of fullerene from a fullerene-containing soot using a solvent. The electrode for an electric double layer capacitor and the electric double layer capacitor of the present invention is characterized by using the electrode material.
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