IrSnOx电极制备及其在电氧化制备2,5-二氯苯酚中的应用

doi:10.13208/j.electrochem.161050

电化学（中英文） ›› 2017, Vol. 23 ›› Issue (3): 327-331. doi: 10.13208/j.electrochem.161050

• 有机电化学及电化学工业近期研究专辑（华东理工大学张新胜教授、北京化工大学曾程初教授主编） • 上一篇下一篇

IrSnO_x电极制备及其在电氧化制备2,5-二氯苯酚中的应用

马翔宇^1,2，涂序国^1,2，何瑞楠^1,2，陈亚³，朱桂生^1,2,4，邵守言^1,2,4，陈松^1,2*

1. 江苏大学化学化工学院，镇江 212013; 2. 盐城工学院化学化工学院，盐城 224051; 3. 南京工业大学先进材料研究院，南京 210009; 4. 江苏索普(集团)有限公司

收稿日期:2016-11-07 修回日期:2017-04-06 出版日期:2017-06-29 发布日期:2017-04-14
通讯作者: 陈松 E-mail:jsyccs@163.com
基金资助:
江苏省自然科学基金项目（BK20141261）、江苏省产学研前瞻性项目（BY2015057-35）、盐城市科技项目（YKA201219）资助

Preparations and Applications of IrSnOx Electrode in Electrochemical Synthesis of 2,5-dichlorophenol

MA Xiang-yu ^1,2, TU Xu-guo ^1,2, HE Rui-nan ^1,2, CHEN Ya³, ZHU Gui-sheng^1,2,4, SHAO Shou-yan^1,2,4, CHEN Song ^1,2*

1.Department of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China; 2. Department of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051 Jiangsu, China; 3. Advanced Materials Research Institute, Nanjing University of Technology, Nanjing 210009 China; 4. Jiangsu Sopo Co. Ltd, Zhenjiang 212013, Jiangsu, China

Received:2016-11-07 Revised:2017-04-06 Published:2017-06-29 Online:2017-04-14
Contact: CHEN Song E-mail:jsyccs@163.com

摘要/Abstract

摘要：

采用热分解法制备钛基IrSnO_x电极，并将电极应用于电催化氧化对二氯苯制备2,5-二氯苯酚，探索了绿色高效的电合成途径. 结果表明，电极表面存在裂纹，中间层Sn:Sb为94:6时裂纹较少，强化寿命较长；电极对对二氯苯电氧化具有较好的循环伏安响应；IrSnO_x电极电催化氧化对二氯苯所得产物主要为2,5-二氯苯酚、1,2,4-三氯苯、对氯苯酚等，其中2,5-二氯苯酚选择性达93%，产率57%，显著优于以析氯电极、析氧电极、铂为阳极时，2,5-二氯苯酚的选择性89%、27%、87%和30%、15%、49%的产率，体现了优良的电催化氧化性能.

关键词: 电极, 电氧化, IrSnO_x, 2,5-二氯苯酚

Abstract: The electrodes of titanium based iridium tin oxides (IrSnOx) have been prepared by traditional thermal decomposition method and further applied to the electrosynthsis of 2,5-dichlorophenol in order to explore a green and high efficient synthesis route. The results showed that the electrode surface existed apparent cracks, while the intermediate layer prepared with Sn:Sb=94:6 existed less cracks and longer life time. The main products of the electrolytic reaction were 2,5-dichlorophenol, p-chlorophenol, and 1,2,4-trichlorobenzene. The electrosynthsis yield of 2,5-dichlorophenol reached 57% and the selectivity of 2,5-dichlorophenol was as high as 93% by using the IrSnOx as an anode, which is obviously better than those obtained by using the commercial chlorine evolution electrode, oxygen evolution electrode and Pt electrode as anodes. The selectivity of 89%, 27%, 87% and the yields of 30%, 15%, 49% were obtained by the commercial chlorine evolution electrode, oxygen evolution electrode and Pt electrode, respectively. The excellent electrocatalytic oxidation performance of the IrSnOx electrode was achieved.

Key words: electrode, electro oxidation, IrSnOx, 2,5-dichlorophenol

中图分类号:

O646

马翔宇，涂序国，何瑞楠，陈亚，朱桂生，邵守言，陈松. IrSnO_x电极制备及其在电氧化制备2,5-二氯苯酚中的应用[J]. 电化学（中英文）, 2017, 23(3): 327-331.

MA Xiang-yu, TU Xu-guo, HE Rui-nan, CHEN Ya, ZHU Gui-sheng, SHAO Shou-yan, CHEN Song. Preparations and Applications of IrSnOx Electrode in Electrochemical Synthesis of 2,5-dichlorophenol[J]. Journal of Electrochemistry, 2017, 23(3): 327-331.

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https://electrochem.xmu.edu.cn/CN/Y2017/V23/I3/327

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IrSnO_x电极制备及其在电氧化制备2,5-二氯苯酚中的应用

Preparations and Applications of IrSnOx Electrode in Electrochemical Synthesis of 2,5-dichlorophenol

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