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金虫 (小有名气)

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蓝色夭姬: 金币+30, 翻译EPI+1, ★★★很有帮助 2013-05-21 14:06:11

Employing aqueous phase reduction method, PtCo/POSS was prepared with a novel material octaaminopropyl polyhedral oligomeric silsesquioxane. The microstructure and morphology of the catalyst were characterized by means of High Resolution Transmission Electroinc Microscropy (HR-TEM) and Scanning Electronic Microscopy (SEM). Moreover, a test for its electro-catalysis and oxidation properties was conducted in methane acid. Results show that finer catalyst particles could be obtained using POSS carrier. Of all the catalysts, Pt0.75Co0.25/POSS demonstrates the best activity. Doping a certain amount of Co will improve the property of electro-catalysing methane acid of Pt and decrease the absorption of toxic intermediate CO and the oxidation potential of CO.

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