Citation: LI Zhi-yang, YUAN Shan-mei, ZHU Yu, NI Hong-jun. Preparation and electrocatalytic performance of PtPb anode catalyst supported on carbon fiber[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(1): 96-100. shu

Preparation and electrocatalytic performance of PtPb anode catalyst supported on carbon fiber

1.
School of Mechanical Engineering, Nantong University, Nantong 226019, China

Corresponding author: NI Hong-jun,
Received Date: 27 May 2013
Available Online: 11 August 2013
Fund Project: 国家科技支撑计划(2011BAG02B10) (2011BAG02B10)江苏高校优势学科建设工程资助项目、江苏高校科研成果产业化推进项目(JHB2012-45) (JHB2012-45)南通市应用研究计划(BK2011029) (BK2011029)南通大学自然科学项目(11ZY007)。 (11ZY007)

Nano PtPb anode catalyst supported on carbon fiber was prepared by the technology of electro-spinning combined with sintering; the catalyst was characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and scanning electron microscopy (SEM). The results showed that the nano catalyst is well dispersed on the skeleton of vesicular carbon fiber with a particle size of 3.05 nm; the catalytic efficiency is significantly improved by pre-oxidation at 300 ℃and carbonization at 800 ℃. The catalyst activity in ethanol oxidation was evaluated through cyclic voltammogram (CV) and electrochemical impedance spectroscopy (EIS). The results indicated that the catalyst has better resistance against poisoning; over it, the maximum current density is 125 mA/cm² and the charge transfer resistance is reduced by 60% in comparison with that over the catalyst carbonized at 700 ℃.
- direct ethanol fuel cell (DEFC),
- anode catalyst,
- electrosinning,
- electro oxidation of ethanol
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沈阳化工大学材料科学与工程学院沈阳 110142