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Citation: YIN Ren-He, ZHAO Yong-Gang, LV Shi-Yin, LIU Huai-You, CAO Wei-Min. Preparation of Anode for Electrolysis of Coal Slurry by Thermal Decomposition and Its Electrocatalytic Activities[J]. Chinese Journal of Applied Chemistry, ;2010, 27(2): 215-219. doi: 10.3724/SP.J.1095.2010.90104 shu

Preparation of Anode for Electrolysis of Coal Slurry by Thermal Decomposition and Its Electrocatalytic Activities

Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444

Received Date: 17 February 2009
Revised Date: 16 April 2009

Precious metal catalytic electrodes were prepared by thermal decomposition. The surface and the composition of the electrodes were characterized by scanning electron microscopy(SEM),X-ray diffraction(XRD) and energy dispersive X-ray spectroscopy(EDS). The electro-catalytic activity of the electrodes was tested for the electrolysis of coal slurry using the two-electrode system. The results show that in the catalytic coating,Pt exists in the form of Pt,but Ru,Ir exist in the form of oxides. After electrolysis with the electrodes for 10 h,the current and gas production rate were relatively stable,and in the whole process of electrolysis,hydrogen electrolysis efficiency was close to 100%,the anode electrolysis efficiency to 40%. Compared with that of the Ti/Pt electrode,the catalytic activity of the electrodes,especially the dual-dimensional Ti/Pt-RuO₂(1:1) and Ti/Pt-IrO₂(1:1) has been greatly improved.
- thermal decomposition,
- electrolyze,
- catalyze,
- coal slurry,
- hydrogen
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