Preparation and electrocatalytic performance of the Pt supported on the alkali-treated nanoporous TiO2 material
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- 作者：Peili Guo ; Wence Xu ; Shengli Zhu ; Xianjin Yang ; Akihisa Inoue
- 关键词：Catalyses ; Electrochemical characterizations ; Fuel cells ; Material preparations
- 刊名：Ionics
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：21
- 期：10
- 页码：2863-2869
- 全文大小：1,456 KB
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Wence Xu (1)
Shengli Zhu (1) (2)
Xianjin Yang (1) (2)
Akihisa Inoue (1)
1. School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China
2. Tianjin Key Laboratory of Composite and Functional Materials, Tianjin, 300072, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Electrochemistry
Materials Science
Physical Chemistry
Condensed Matter
Renewable Energy Sources
Electrical Power Generation and Transmission - 出版者：Springer Berlin / Heidelberg
- ISSN：1862-0760
文摘
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. Keywords Catalyses Electrochemical characterizations Fuel cells Material preparations