期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 102, 期 3-4, 页码 496-504出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2010.12.031
关键词
Functionalized carbon; Pt electrocatalysts; Methanol oxidation; DMFC
资金
- Portuguese Science and Technology Foundation (FCT, Ciencia)
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.
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