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Short carbon nanotube for catalyst support, carbon nanatube impregnated catalyst using the carbon nanotube and fuel cell adopting the same
Short carbon nanotube for catalyst support, carbon nanatube impregnated catalyst using the carbon nanotube and fuel cell adopting the same
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机译:用于催化剂载体的短碳纳米管,使用该碳纳米管的碳纳米管浸渍催化剂以及采用该碳纳米管的燃料电池
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摘要
A carbon nanotube for a catalyst support is provided. The carbon nanotube has a length of about 300nm or less, and an aspect ratio of about one to about fifteen. The carbon nanotube has a good broad surface area and better electric conductivity and is opened at both ends, thereby allowing impregnation by a metallic catalyst into the inner side of the carbon nanotube. Such catalyst impregnated carbon nanotube has a broad effective specific surface area, and thus, has an improved efficiency of catalyst utilization, can reduce an amount of the catalyst used and can efficiently diffuse a fuel. Accordingly, when catalyst impregnated carbon nanotube is used in a fuel cell, etc., improvements can be made in the pricing, power density of an electrode, and energy density of a fuel cell.
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