Electrocatalysts for electrooxidation of methyl formate

被引：8
|
作者：
Youn, Duck Hyun [1 ]
Bae, Ganghong [1 ]
Ham, Dong Jin [1 ]
Lee, Jae Sung [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 790784, South Korea
来源：
APPLIED CATALYSIS A-GENERAL | 2011年 / 393卷 / 1-2期
关键词：
Direct methyl formate fuel cell; Formic acid; Methanol; Electrocatalysts; ELECTROLYTE FUEL-CELL; FORMIC-ACID; AD-ATOMS; METHANOL; OXIDATION; PLATINUM; CATALYSTS; ETHANOL; PT/C; ENHANCEMENT;
D O I：
10.1016/j.apcata.2010.12.014
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：
Carbon-supported PtSn, PtPd, and PtRuPd catalysts are prepared by chemical reduction with hydrothermal treatment, and their electrochemical properties for methyl formate electrooxidation are investigated by cyclic voltammetry, chronoamperometry, and CO stripping voltammetry in comparison with commercial Pt/C and PtRu/C catalysts. At low potentials below 0.4 V, the dominant reaction is the oxidation of formic acid produced by acid-catalyzed hydrolysis of methyl formate, and PtPd/C exhibits the highest activity. At higher potentials, methanol joins the oxidation process of methyl formate and PtRu/C, PtSn/C, and PtRuPd/C show the high activity. In single cell, direct methyl formate fuel cell operation, PtRuPd/C containing both active component for formic acid oxidation (Pd) and CO-tolerant component (Ru) shows the highest performance for electrooxidation of methyl formate. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：309 / 316
页数：8
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