Preparation of Co₃O₄/Ti Electrocatalytic Membrane Electrode for Catalytic Oxidation of Benzyl Alcohol

Authors

Yu-mei ZHENG, State Key Laboratory of Separation Membranes and Membrane Processes/Separation Membrane Science and Technology International Joint Research Centre, Tianjin Polytechnic University, Tianjin 300387, China;School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;
Zhen YIN, State Key Laboratory of Separation Membranes and Membrane Processes/Separation Membrane Science and Technology International Joint Research Centre, Tianjin Polytechnic University, Tianjin 300387, China;School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;Follow
Hong WANG, College of Chemistry, Jilin University, Changchun 130012, China;
Jian-xin LI, State Key Laboratory of Separation Membranes and Membrane Processes/Separation Membrane Science and Technology International Joint Research Centre, Tianjin Polytechnic University, Tianjin 300387, China;School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China;Follow

Corresponding Author

Zhen YIN(yinzhen@tjpu.edu.cn);
Jian-xin LI(jxli@tjpu.edu.cn)

Abstract

The cobalt oxide(Co₃O₄) nanoparticles were loaded on microporous Ti membrane to prepare Co₃O₄/Ti electrocatalytic membrane electrode by dip-coating method. The microstructures and electrochemical properties of Co₃O₄/Ti electrocatalytic membrane were investigated. The Co₃O₄/Ti electrocatalytic membrane reactor (ECMR) assembled by using the Co₃O₄/Ti electrocatalytic membrane as an anode was adopted for catalytic oxidation of benzyl alcohol to produce benzaldehyde and benzoic acid.The effects of different operation parameters on benzyl alcohol conversion, and selectivity to benzaldehyde and benzoic acid of ECMR were studied. The results indicated that the electrochemical performance and catalytic activity of Co₃O₄/Ti membrane were improved significantly. The values of 49.8% for the conversion of benzyl alcohol, 51.5% for the selectivity to benzaldehyde and 23.6% for the selectivity to benzoic acid were obtained under the operating conditions with the benzyl alcohol concentration of 10 mmol·L^-1, pH of 7.0, residence time of 5.0 min, current density of 2.5 mA·cm^-2 at ambient temperature and pressure.

Graphical Abstract

Keywords

electrocatalytic oxidation, elctrocatalytic membrane reactor, cobalt oxide, benzyl alcohol oxidation

DOI Link

https://doi.org/10.13208/j.electrochem.170407

Publication Date

2018-04-28

Online Available Date

2017-05-12

Revised Date

2017-05-11

Received Date

2017-04-07

Recommended Citation

Yu-mei ZHENG, Zhen YIN, Hong WANG, Jian-xin LI. Preparation of Co₃O₄/Ti Electrocatalytic Membrane Electrode for Catalytic Oxidation of Benzyl Alcohol[J]. Journal of Electrochemistry, 2018 , 24(2): 122-128.
DOI: 10.13208/j.electrochem.170407
Available at: https://jelectrochem.xmu.edu.cn/journal/vol24/iss2/3