Polarizable electrode material and electric double layer capacitor using same
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United States of America Patent
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Jan 24, 2017
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May 21, 2015
app pub date -
Jul 25, 2013
filing date -
Jul 26, 2012
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Abstract
Disclosed is a polarizable electrode material for an electric double layer capacitor with a high energy density and excellent long-term reliability, as well as an electric double layer capacitor in which the polarizable electrode material is used. The polarizable electrode material includes porous carbon particles, a conductive assistant, a tungsten oxide powder and a binder, wherein the tungsten oxide is dispersed in the polarizable electrode material so that the tungsten oxide per 1 g of the polarizable electrode material has a surface area of 0.2 m2 or more and less than 6 m2.
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