Influence of Doped Graphite Felt on the Performance of Direct Liquid Redox Methanol Fuel Cell

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Abstract

By heat treatment of graphite felt with ammonia generated from urea hydrolysis, nitrogen doped graphite felt was successfully achieved. The crystal structure, surface morphology, and elemental composition of doped graphite felt were analyzed by XRD,SEM, and XPS.The cyclic voltammograms and AC impedance method were used to study the electrochemical properties. The discharge performance of the cell was investigated through assembling a cell.The results showed that the nitrogen doped graphite felt compared with graphite felt has more excellent electrochemical performance, and doping temperature and doping time have an impact on the surface and the electrochemical activity of graphite felt.

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	Articles by authors
	Qian Guocai
	Li Baochen
	Xu Yida
	Pei Yuanda
	Huang Chengde

Keywords： urea； ammonia； nitrogen doped graphite felt； electrochemical activity

Received 2014-12-04;

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Qian Guocai, Li Baochen, Xu Yida, Pei Yuanda, Huang Chengde.Influence of Doped Graphite Felt on the Performance of Direct Liquid Redox Methanol Fuel Cell[J] Chemcial Industry and Engineering, 2016,V33(6): 26-31

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