Cu/C-Nafion复合电极上硝基苯的电化学还原

doi:10.3866/PKU.WHXB19980807

Acta Phys. -Chim. Sin. ›› 1998, Vol. 14 ›› Issue (08): 704-708.doi: 10.3866/PKU.WHXB19980807

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Electrochemical Reduction of Nitrobenzene on the Cu/C-Nafion Composite Electrode

Jiang Jun-Hua, Chen Lan, Wu Bing-Liang, Zhai Run-Sheng

Chemistry Department,Wuhan University,Wuhan 430072|Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023

Received:1997-11-10 Revised:1998-01-12 Published:1998-08-15
Contact: Jiang Jun-Hua

Abstract

Abstract:

The electrochemical reduction of nitrobenzene on the Cu/C-Nafion composite electrode was investigated. The reduction product was only aniline. The high selectivity was related to the weak acid medium at the electrode/Nafion interface and the slow diffusion of intermediates in the menbrane. The electrochemical process was controlled by the diffusion of some species, the current efficiency for aniline decreased with the current density and was dependent upon the dissolution of nitrobenzene in the membrane.

Key words: Solid polymer electrolyte, Nafiom membrane, Electrochemical reduction, Nitrobenzene, Aniline

Jiang Jun-Hua, Chen Lan, Wu Bing-Liang, Zhai Run-Sheng. Electrochemical Reduction of Nitrobenzene on the Cu/C-Nafion Composite Electrode[J].Acta Phys. -Chim. Sin., 1998, 14(08): 704-708.

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Electrochemical Reduction of Nitrobenzene on the Cu/C-Nafion Composite Electrode

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