Preparation of Pt catalyst on PANI/C composite and its role on electrocatalytic oxidation of methanol

POLY 183

Xiaoliang Peng, lzdai@xmu.edu.cn, Yiting Xu, Yuanming Deng, Yifang Zheng, Guangcai Lei, Yingying Ma, and Lizong Dai, lzdai@xmu.edu.cn. Department of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Xiamen University, 361005,Xiamen, China
The polyaniline/XC-72R carbon composite (PANI/C) has been synthesized by in-situ polymerization at low temperature. In order to taking the composite as a catalyst carrier, we deposited platinum on it by chemical redox method and observe their conformation by SEM, which indicated that the size of Pt particles is decreased and the dispersion is better when PANI exist in the composite carriers. Methanol oxidation on the catalyst modified electrode has been measured by cyclic voltammogram(CV) technique in comparison with the traditional Pt/C focusing on the attenuation of current in a period of time. It is proved that the ability to resist CO poisoning increases may be due to the synergetic effects between the composite carrier and catalyst.
 

General Papers: Functional Materials
6:00 PM-8:00 PM, Sunday, August 19, 2007 BCEC -- Exhibit Hall - B2, Poster

Division of Polymer Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007