Effect of functionalized carbon as Pt electrocatalyst support on the methanol oxidation reaction

被引：47

作者：

Salgado, J. R. C. ^{[1
]}

Duarte, R. G. ^{[1
,4
]}

Ilharco, L. M. ^{[2
,3
]}

Botelho do Rego, A. M. ^{[2
,3
]}

Ferraria, A. M. ^{[2
,3
]}

Ferreira, M. G. S. ^{[1
,5
]}

机构：

[1] Univ Tecn Lisboa, IST, ICEMS, P-1049001 Lisbon, Portugal

[2] Univ Tecn Lisboa, IST, CQFM, P-1049001 Lisbon, Portugal

[3] Univ Tecn Lisboa, IST, IN, P-1049001 Lisbon, Portugal

[4] ESTBarreiro, Inst Politecn Setubal, P-2839001 Barreiro, Portugal

[5] Univ Aveiro, CICECO, P-3810193 Aveiro, Portugal

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2011年 / 102卷 / 3-4期

关键词：

Functionalized carbon; Pt electrocatalysts; Methanol oxidation; DMFC; FUEL-CELL APPLICATIONS; ACTIVATED CARBON; PARTICLE-SIZE; NITRIC-ACID; PLATINUM CATALYSTS; PT/C; ELECTROOXIDATION; BLACK; IMPEDANCE; XPS;

D O I：

10.1016/j.apcatb.2010.12.031

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：

FTIRS and XPS spectra showed that after oxidative treatments using H2SO4 + HNO3 and HNO3 solutions the Vulcan XC-72R carbon support has been found to be more hydrophilic and richer in oxygen-containing functional groups. Consequently, the Pt electrocatalyst prepared on those functionalized carbon materials further to having good dispersion of metal presented a significant improvement of the electrocatalytic activity due to the synergistic effect between the metal nanoparticles and oxygenated groups on functionalized carbon. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：496 / 504

页数：9

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