Methanol electrooxidation promoted by UV-vis light irradiation

被引：7
作者：
Li, Ping [1 ]
Li, Zhou Peng [1 ]
Liu, Bin Hong [2 ]
机构：
[1] Zhejiang Univ, Dept Chem & Biol Engn, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2012年 / 199卷
基金：
中国国家自然科学基金;
关键词：
UV-vis light irradiation; Methanol electrooxidation; Photochemical effect; CO electrooxidation; Oxygen-containing species; OXIDATION; SPECTROSCOPY; MECHANISM;
D O I：
10.1016/j.jpowsour.2011.10.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present study reports on the promotion of methanol oxidation on Pt using UV-vis light irradiation. The anodic current rapidly responds to UV-vis light irradiation, and the rise and fall of the anodic current coincide with intermittent light irradiation during MeOH electrooxidation at various potentials. This photochemical effect depends on the applied potential and the wavelength of the applied UV-vis light. Irradiation with a short wavelength produces a more pronounced photochemical effect. The enhancement of CO electrooxidation with the aid of the oxygen-containing species formed on the Pt catalyst under UV-light irradiation plays an important role in the promotion of methanol oxidation. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：146 / 149
页数：4
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