Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF<sub>4</sub> on Pt electrode

CHEN Shengpei; LOU Qiaoqi; CHEN Yanxin; SUN Shigang

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Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF₄ on Pt electrode

更新时间：2025-12-10

- Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF₄ on Pt electrode
- CIESC Journal Issue S1, Pages: 25-29(2008)
- 作者机构：
  
  1. 厦门大学固体表面物理化学国家重点实验室
  2. 化学化工学院化学系
- 作者简介：
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- Online First：30 June 2008，
  
  Published：30 June 2008
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CHEN Shengpei, LOU Qiaoqi, CHEN Yanxin, et al. Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF₄ on Pt electrode[J]. CIESC Journal, 2008, (S1): 25-29.
DOI：

CHEN Shengpei, LOU Qiaoqi, CHEN Yanxin, et al. Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF₄ on Pt electrode[J]. CIESC Journal, 2008, (S1): 25-29. DOI：

摘要

采用循环伏安法(CV)、计时电量法(CA) 和电化学原位红外反射光谱 (in situ FTIRS)，从分子水平上研究了离子液体［BMIM］BF4中马来酸在Pt电极上的电化学还原过程。结果表明，［BMIM］BF4中马来酸在Pt电极上的还原是受扩散控制的准可逆过程，测得扩散系数为1.0×10-7cm2·s-1;in situ FTIRS研究发现，［BMIM］BF4中马来酸在Pt电极上的还原发生在其中的一个羧基位上

即马来酸首先获得一个电子生成阴离子自由基，随后再获得一个电子生成二价阴离子。

Abstract

Electrochemical reduction of maleic acid in the ionic liquid was studied by cyclic voltammetry (CV)

chronoamperometry (CA) and in situ FTIR spectroscopyThe results demonstrated that the reduction of maleic acid on Pt electrode is a quasireversible process controlled by diffusionThe diffusion coefficient of maleic acid is determined to be 1.0×10-7cm2·s-1In situ FTIRS results illustrated that the reduction of maleic acid in ionic liquids occurs on the carboxylThe first step is to generate radical anions

which are reduced to aldehyde species

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Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF4 on Pt electrode

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摘要

Abstract

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Electrochemical and in situ FTIRS of maleic acid reduction in［BMIM］BF₄ on Pt electrode