Study on Pt(Sn)/TiO2-C as Anodic Catalysts for Direct Ethanol Fuel Cell

Liu, Chiu-Hung

doi:10.20964/2020.12.28

International Journal of Electrochemical Science

2020

DOI: 10.20964/2020.12.28

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Study on Pt(Sn)/TiO2-C as Anodic Catalysts for Direct Ethanol Fuel Cell

Chiu-Hung Liu¹

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Electro-oxidation of Methanol, Ethanol and Ethylene Glycol over Pt/TiO2-C and PtSn/TiO2-C Anodic Catalysts

Tang¹

2021

International Journal of Electrochemical Science

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This study focused on the use of a modified Pt/C anodic catalyst with doping tin (Sn) and titania (TiO2) to improve the efficiency and effective of direct alcohols (methanol, ethanol and ethylene glycol) fuel cells. Decorated the TiO2 dopant on active carbon support (xTiO2-C, x = 10, 20, 30, 40 weight percent) was completed by the impregnation method. Then, the series Pt/TiO2-C and PtSn/TiO2-C anodic catalysts were prepared by the formic acid reduction method using PtCl4 and SnCl22H2O as platinum (Pt, 10 wt%) and tin (Sn, 10 wt%) precursors. The fabricated series anodic catalysts were painted on carbon paper as working electrodes. Evaluation of the catalytic activity for the electro-oxidation of alcohols on working electrodes was performed by cyclic voltammetry (CV) in 0.5 M H2SO4 and 1 M alcohol electrolytes at room temperature. The results showed that all the doped TiO2 and Sn anodic catalysts present well-dispersed platinum with a diameter around 3 -5 nm. In addition, the activity for electro-oxidation of alcohols was affected remarkably by the content of TiO2 and Sn in the anodic catalysts. Among the prepared Pt/TiO2-C and PtSn/TiO2-C anodic catalysts, the 30 wt% TiO2 catalyst exhibited the best catalytic performance. In comparison with the various alcohols, the the tendency of activity for the ethanol electro-oxidation was : ethanol  methanol  ethylene glycol.

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Electro-oxidation of Methanol, Ethanol and Ethylene Glycol over Pt/TiO2-C and PtSn/TiO2-C Anodic Catalysts

Tang¹

2021

International Journal of Electrochemical Science

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Study on Pt(Sn)/TiO2-C as Anodic Catalysts for Direct Ethanol Fuel Cell

Cited by 1 publication

References 41 publications

Electro-oxidation of Methanol, Ethanol and Ethylene Glycol over Pt/TiO2-C and PtSn/TiO2-C Anodic Catalysts

Electro-oxidation of Methanol, Ethanol and Ethylene Glycol over Pt/TiO2-C and PtSn/TiO2-C Anodic Catalysts

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