Ethanol electrooxidation on carbon-supported Pt nanoparticles catalyst prepared using complexing self-reduction method

被引：18
作者：
Ma, Juan [2 ]
Sun, Hanjun [1 ]
Su, Fu [1 ]
Chen, Yu [1 ]
Tang, Yawen [1 ]
Lu, Tianhong [1 ]
Zheng, Junwei [2 ]
机构：
[1] Nanjing Normal Univ, Coll Chem & Mat Sci, Lab Electrochem, Jiangsu Key Lab New Power Batteries, Nanjing 210046, Peoples R China
[2] Soochow Suzhou Univ, Inst Chem Power Sources, Suzhou 215006, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Complex; Self-reduction; Pt/C catalyst; Ethanol electrooxidation; Electrocatalytic activity; PT-RU; ELECTROCATALYTIC PROPERTIES; ANODE CATALYSTS; GOLD NANOPARTICLES; PLATINUM PARTICLES; AQUEOUS-SOLUTION; ALLOY CATALYST; METHANOL; OXIDATION; SN;
D O I：
10.1016/j.ijhydene.2011.02.142
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：
A novel self-reduction of Pt-complex method is used to prepare Vulcan XC-72 carbon-supported Pt nanoparticles (Pt/C) catalysts by employing ethylenediamine-tetramethylene phosphonic acid (EDTMP) as a complexing reagent. During the preparation of Pt/C catalysts, the particle size of Pt nanoparticles (Pt-NPs) can be controlled effectively in the range of 1.7-13.5 nm by adjusting reaction solution pH values. TEM images demonstrate that the Pt-NPs well disperse on the Vulcan XC-72 carbon support with a relatively narrow particle size distribution by using the complex self-reduction method. Therefore, the Pt/C catalysts prepared by the same method are suitable for evaluating the size effect of the Pt-NPs on electrocatalytic performance for ethanol electrooxidation. A correlation between the electrocatalytic activity of ethanol oxidation and particle size of the Pt/C catalysts indicates that Pt-NPs with mean particle size of ca. 2.5 nm possesses the highest electrocatalytic performance for ethanol electrooxidation. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：7265 / 7274
页数：10
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