Citation:
	            
		            XU  Qun-Jie, LI  Jin-Guang, LI  Qiao-Xia. Preparation of Mesoporous Carbon at Different Temperatures as a Catalyst Support for Direct Methanol Fuel Cells[J]. Acta Physico-Chimica Sinica,
							;2011, 27(08): 1881-1885.
						
							doi:
								10.3866/PKU.WHXB20110827
						
					
				
					
				
	        
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Using mesoporous SiO2 (SBA-15) as templates and sugar as a carbon precursor, mesoporous carbon (CMK-3) was prepared at different temperatures (600-900 °C). 20%(w) Pt/CMK-3 was then prepared by impregnation reduction with sodium borohydride as a reductant. Cyclic voltammetry (CV) and chronoamperometry were applied to study the catalytic performance and stability toward methanol oxidation for the as-prepared catalyst. CO striping voltammetry was used to determine its anti-poisoning capability toward CO. The results show that the Pt/CMK-3 prepared at 900 °C had the best catalytic performance and stability toward methanol but at a carbonization temperature of 700 °C the Pt catalyst had a lower stripping potential to CO.
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								Keywords:
								
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Mesoporous carbon
, - Methanol,
 - Pt,
 - CO striping
 
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