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 shu

Preparation of Mesoporous Carbon at Different Temperatures as a Catalyst Support for Direct Methanol Fuel Cells

1.
Department of Thermal Power and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, P. R.China

Received Date: 17 March 2011
Available Online: 23 June 2011
Fund Project: 国家自然科学基金项目(20873031) (20873031) 上海市教委科技创新重点项目(10ZZ116) (10ZZ116) 上海市科委能力建设项目(09230501400, 10160502300) (09230501400, 10160502300)

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.
- Mesoporous carbon,
- Methanol,
- Pt,
- CO striping
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沈阳化工大学材料科学与工程学院沈阳 110142