研究论文

Ti/nano TiO2-ZrO2修饰电极电催化还原马来酸制备丁二酸

  • 徐迈 ,
  • 王凤武 ,
  • 魏亦军 ,
  • 朱其永 ,
  • 方文彦 ,
  • 朱传高
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  • 淮南师范学院化学与化工系 淮南 232001

收稿日期: 2011-05-26

  修回日期: 2012-05-18

  网络出版日期: 2012-06-12

基金资助

国家自然科学基金(No. 21176099)、安徽省高校优秀青年人才基金(No. 2011SQRL138)资助项目.

Ti/nano TiO2-ZrO2 Electrode with High Catalytic Activity for Electrocatalytic Reduction of Maleic Acid to Succinic Acid

  • Xu Mai ,
  • Wang Fengwu ,
  • Wei Yijun ,
  • Zhu Qiyong ,
  • Fang Wenyan ,
  • Zhu Chuangao
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  • Department of Chemistry and Chemical Engineering, Huainan Normal College, Huainan 232001

Received date: 2011-05-26

  Revised date: 2012-05-18

  Online published: 2012-06-12

Supported by

Project supported by the National Natural Science Foundation of China (No. 21176099), the Foundation for Excellent Young Talents of the Higher Education Institutions of Anhui Province, China (No. 2011SQRL138).

摘要

采用溶胶-凝胶法制备高活性Ti基纳米TiO2-ZrO2膜电极. 通过X射线衍射分析表明, 纳米TiO2-ZrO2粉体呈微-纳二级结构. 扫描电子显微镜测试表明, 颗粒平均尺寸约为30 nm. 通过循环伏安和恒电流电解技术研究发现, Ti/nano TiO2-ZrO2电极对马来酸电催化还原制备丁二酸的活性要高于Ti/nanoTiO2电极, 反应过程受扩散控制. 以钛基氧化钌电极为阳极, Ti/nano TiO2-ZrO2膜电极为阴极进行恒电流电解实验. 结果表明, 控制电流密度20 mA?cm-2, 温度60 ℃, 丁二酸的产率达到96%.

本文引用格式

徐迈 , 王凤武 , 魏亦军 , 朱其永 , 方文彦 , 朱传高 . Ti/nano TiO2-ZrO2修饰电极电催化还原马来酸制备丁二酸[J]. 化学学报, 2012 , 70(12) : 1407 -1411 . DOI: 10.6023/A1105263

Abstract

A highly active Ti/nano TiO2-ZrO2 film modified electrode used for electrocatalytic reduction of maleic acid was achieved by sol-gel method. Nano TiO2-ZrO2 particles with the mono-dispersion structure and the diameter of about 30 nm were observed by XRD and SEM. By cyclic voltammetry and galvanostatic electrolysis experiments in maleic acid+1.0 mol?L-1 H2SO4, the Ti/nano TiO2-ZrO2 film modified electrode was found to be much more electrocatalytive than the conventional Ti/nanoTiO2 cathode. The reaction process is controlled by diffusion. Galvanostatic electrolysis experiments were carried out on the Ti/nano TiO2-ZrO2 film modified electrode. At a current density of 20 mA?cm-2, a high yield of 96% was obtained at 60 ℃.

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