CELL CATALYST COMPOSITION ANDMANUFACTURING METHOD THEREOF, ELECTRODE MATERIAL, AND FUEL CELL
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United States of America Patent
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Aug 1, 2013
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Aug 1, 2012
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Abstract
A cell catalyst composition according to the present invention includes a carbon catalyst granule and a binder resin, and at least a part of the binder resin includes a resin (B) including a hydrophilic functional group. The carbon catalyst granule is (i) a carbon catalyst granule wherein carbon catalyst (A) particles are bound to each other by using at least the resin (B), or/and (ii) a carbon catalyst granule wherein carbon catalyst (A) particles form a sintered body and are thereby bound to each other. The carbon catalyst (A) includes a carbon element, a nitrogen element, and a base metal element as constituent elements. Further, an average particle diameter of the carbon catalyst granule is 0.5 to 100 μm, and a sphericity of the carbon catalyst granule is equal to or greater than 0.5.
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