Synthesis of Pt/C Electrocatalysts Under Protection of Glucose and Their Improved Methanol Electrooxidation Activity

Chemical Research in Chinese Universities ›› 2012, Vol. 28 ›› Issue (6): 1074-1077.

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Synthesis of Pt/C Electrocatalysts Under Protection of Glucose and Their Improved Methanol Electrooxidation Activity

XING Zi-hao¹, ZHAO Tian-meng¹, JIANG Bo¹, YIN Min², SI Feng-zhan², LIU Chang-peng², YANG Wen-sheng¹

1. College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

Received:2011-12-28 Revised:2012-02-16 Online:2012-11-25 Published:2012-11-09
Contact: LIU Chang-peng, YANG Wen-sheng E-mail:liuchp@ciac.jl.cn;wsyang@jlu.edu.cn
Supported by:
Supported by the National Innovative Research Program for Undergraduates, China(No.2010A33039) and the Science and Technology Development Program of Jilin Province, China(No.20100420).

Abstract

Abstract:

Carbon supported Pt(Pt/C) electrocatalysts were prepared with glucose as protection agent and NaBH₄ as reductant. The Pt nanoparticles deposited on carbon support presented reduced size and well dispersity attributed to the protection effect of glucose. Glucose absorbed on the particle surface was readily removed by water washing without leading to agglomeration of the Pt nanoparticles. The as-prepared Pt/C electrocatalysts showed improved mass activity for methanol electrooxidation compared to the catalyst prepared without glucose protection. The improved performance is attributed to the larger electrochemical active surface area thus increased active sites on the Pt/C elctrocatalysts prepared under the protection of glucose.

Key words: Pt/C electrocatalyst, Glucose, Methanol electrooxidation, Fuel cell

XING Zi-hao, ZHAO Tian-meng, JIANG Bo, YIN Min, SI Feng-zhan, LIU Chang-peng, YANG Wen-sheng. Synthesis of Pt/C Electrocatalysts Under Protection of Glucose and Their Improved Methanol Electrooxidation Activity[J]. Chemical Research in Chinese Universities, 2012, 28(6): 1074-1077.

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Synthesis of Pt/C Electrocatalysts Under Protection of Glucose and Their Improved Methanol Electrooxidation Activity

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