Citation: XU Qun-Jie, ZHOU Xiao-Jin, LI Qiao-Xia, LI Jin-Guang. Preparation and Electrochemical Properties of Ternary Catalyst PtRuCo/C for Direct Methanol Fuel Cell[J]. Acta Physico-Chimica Sinica, ;2010, 26(08): 2135-2138. doi: 10.3866/PKU.WHXB20100802 shu

Preparation and Electrochemical Properties of Ternary Catalyst PtRuCo/C for Direct Methanol Fuel Cell

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

Received Date: 12 January 2010
Available Online: 21 May 2010
Fund Project: 国家自然科学基金(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)资助 (09230501400)

Using sodium citrate as a stabilizer, sodium borohydride as a reductant, 20%(w) Pt₆₀Ru₃₀Co₁₀/C catalyst was prepared by impregnating reduction. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) were used to characterize the catalysts. We studied the catalytic activity and stability in a methanol solution at different pH values and pre-adsorbed CO monolayer stripping was used to investigate its anti-poisoning ability. The results showed that PtRuCo/C had the highest catalytic activity toward methanol at pH 8, and its catalytic activity and stability were much higher than that of commercial Pt₅₀Ru₅₀/C. Compared with Pt₅₀Ru₅₀/C, the pre-adsorbed CO monolayer oxidation potential showed a significant negative shift.
- Impregnating reduction method,
- PtRuCo/C,
- Methanol oxidation,
- Stability
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沈阳化工大学材料科学与工程学院沈阳 110142