Preparation of the Catalytic Electrodes and Study on Their Catalytic Activity for Electro-oxidation of Coal Slurry

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (24): 2847-2852. Previous Articles Next Articles

电解煤浆制氢阳极的制备及电催化活性研究

印仁和*^{,1, 吕士银¹, 姬学彬¹, 洪亮铭¹, 曹为民¹, 张新胜²}

(¹上海大学理学院化学系上海 200444)
(²华东理工大学国家重点化学工程联合实验室上海 200237)

投稿日期:2006-12-30 修回日期:2007-05-29 发布日期:2007-12-28
通讯作者: 印仁和

Preparation of the Catalytic Electrodes and Study on Their Catalytic Activity for Electro-oxidation of Coal Slurry

YIN Ren-He*^{,1; LÜ Shi-Yin¹; JI Xue-Bin¹; HONG Liang-Ming¹; CAO Wei-Min¹; ZHANG Xin-Sheng²}

(¹ Department of Chemistry, College of Science, Shanghai University, Shanghai 200444)
(² Shanghai National United Chemical Engineering Laboratory, East China University of Science and Technology, Shanghai 200237)

Received:2006-12-30 Revised:2007-05-29 Published:2007-12-28
Contact: YIN Ren-He

Abstract

Ti based metal or composite catalytic electrodes were prepared by depositing Pt-M catalysts on pure Ti substrate in cyclic voltammetry and were characterized by SEM, XRD, EDS and ICP. The electro-catalytic activity of the electrodes prepared for the electro-oxidation of coal slurry was measured in a two electrode system. Results showed that the electro-catalytic activity of the electrodes was far better than that of the pure Pt electrode. The Ir or Ru addition to Pt/Ti can improve the catalytic activity. With the proportion of Ru increasing to a certain extent, the electro-catalytic activity became better. However, the Ir was otherwise. So the Pt-Ir(1∶0.5)/Ti and Pt-Ru(1∶5)/Ti electrodes had the best catalytic activity. The electro-catalytic activity of the ternary electrodes prepared above was not as good as that of the binary electrodes. The Pt-Ru/Ti electrode had the best electro-catalytic activity and its electrolysis efficiency of hydrogen was up to 95%.

Key words: cyclic voltammetry, catalytic electrode, electro-catalytic activity

Cite this article

YIN Ren-He*^,1; LÜ Shi-Yin; JI Xue-Bin; HONG Liang-Ming; CAO Wei-Min; ZHANG Xin-Sheng². Preparation of the Catalytic Electrodes and Study on Their Catalytic Activity for Electro-oxidation of Coal Slurry[J]. Acta Chimica Sinica, 2007, 65(24): 2847-2852.

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电解煤浆制氢阳极的制备及电催化活性研究

Preparation of the Catalytic Electrodes and Study on Their Catalytic Activity for Electro-oxidation of Coal Slurry

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