期刊
IONICS
卷 21, 期 10, 页码 2863-2869出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-015-1481-4
关键词
Catalyses; Electrochemical characterizations; Fuel cells; Material preparations
资金
- National Natural Science Foundation of China [51172159]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20110032110023]
- Recruitment Program of Global Experts 1000 Talents Plan of China [WQ20121200052]
- Grants-in-Aid for Scientific Research [26630299] Funding Source: KAKEN
In this work, we prepared a Pt/TiO2 electrocatalyst for methanol electrooxidation. The Pt nanoparticles were loaded on the alkali-treated nanoporous TiO2 by a convenient deposition method. The morphology of the nanoporous TiO2 was depended on the alkali treatment time. After 15-min alkali treatment, the flocculent-liked nanostructure was formed, and the specific surface area of the material was the largest. The amounts as well as the size and distribution of Pt nanoparticles were controlled by loading times. The catalytic activities of the catalysts toward methanol electrooxidation were tested in the alkaline condition. The alkali treatment time and chemical loading time were the key factors that influenced the catalytic activities. The optimal catalytic activity was achieved when the loading time was six.
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