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https://scholarbank.nus.edu.sg/handle/10635/96983
| Title: | Investigation of the electrochemical behavior of heat-treated carbon blacks and Pt/C catalysts | Authors: | Huang, C.D. Xiong, Z.T. Lin, J.Y. Tan, K.L. |
Keywords: | Carbon-supported Pt catalyst Cyclic voltammogram Fuel cell Heat treatment Methanol oxidation XPS TEM |
Issue Date: | Jun-2002 | Citation: | Huang, C.D.,Xiong, Z.T.,Lin, J.Y.,Tan, K.L. (2002-06). Investigation of the electrochemical behavior of heat-treated carbon blacks and Pt/C catalysts. Surface Review and Letters 9 (3-4) : 1443-1452. ScholarBank@NUS Repository. | Abstract: | In this paper we report the electrochemical behavior of heat-treated carbon blacks and Pt/C catalysts. Cyclic voltammetry indicates that the heat-treated carbon black as catalyst support does not improve the Pt/C catalyst's activity for methanol oxidation. An XPS study of a Pt-loaded carbon black indicates that the amounts of oxidized platinum and oxygen-functional groups on catalysts are decreased when the platinum particles are deposited on the heat-treated carbon surface. These changes in the surface and crystalline structural properties of carbon materials lead to the catalytic activity change in methanol electro-oxidation. | Source Title: | Surface Review and Letters | URI: | http://scholarbank.nus.edu.sg/handle/10635/96983 | ISSN: | 0218625X |
| Appears in Collections: | Staff Publications |
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