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Title of Journal: J Appl Electrochem

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Abbravation: Journal of Applied Electrochemistry

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Springer Netherlands

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DOI

10.1016/1047-3203(92)90037-t

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1572-8838

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Methanol oxidation on Pt/CeOSubscript2/Subscrip

Authors: Jingjing Yang Xiaoyao Tan Yu Qian Long Li Yu Xue Zhao Dai Haitao Wang Weili Qu Yuanyuan Chu
Publish Date: 2016/06/02
Volume: 46, Issue: 7, Pages: 779-789
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Abstract

This research is aimed to improve the poor electron conductivity of CeO2 as the catalyst support for methanol oxidation Pt/CeO2 catalyst coated with nitrogendoped carbon layer has been prepared through a combined microwaveassisted polyol with insitu carbonization of nitrogendoped carboncoating process using polyvinylpyrrolidone as the nitrogendoped carbon precursor Electrochemical results show that Pt/CeO2 catalyst coated with nitrogendoped carbon layer has higher activity than the uncoated Pt/CeO2 catalyst due to more uniform dispersion electrondonating effects and the superior electrical conductivity of the CeO2 support enhanced by the nitrogendoped carbon layer Further electrochemical results show that the optimal doped amount of polyvinylpyrrolidone is 20 wt The physical characteristics such as highresolution transmission electron microscopy and Xray photoelectron spectrometer have confirmed the existence of the nitrogendoped carbon layer on CeO2We are grateful for the grant from the National Natural Science Foundation of China Grant No 21206124 No 21503059 and No 21506159 Natural Science Foundation of Tianjin No 12JCZDJC28400 and No 12JCQNJC08600 and the Science and Technology Plans of Tianjin No 15PTSYJC00230

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