Functionalized Carbon Nanotubes as Pt Catalyst Supports in Methanol Oxidation

doi:10.1016/S1872-2067(11)60332-X

Abstract

Abstract: An efficient method for the functionalization of carbon nanotubes (CNTs) is presented, which uses the HF corrosion and intermittent microwave heating (IMH) H₂O₂ solution. The Fourier transform infrared spectroscopy, Raman spectroscopy, and transmission electron microscopy are used to investigate the physicochemical properties of the CNTs and the prepared catalysts thereof. Cyclic voltammetry, liner current sweeping measurements, chronoamperometry measurements are employed to study the performance of the prepared catalysts. CNTs further treated with IMH H₂O₂ solution (10s-on/20s-off, over five cycles) can be used as catalyst support, and exhibit significantly improved performance towards methanol oxidation in comparison with other modified CNTs. The results represent a novel approach to functionalize CNTs in a simple and economic way. The method can also be applied in the mass production of nanosized materials.

Key words: fuel cell, carbon nanotube, functionalization, intermittent microwave heating method, methanol oxidation

YIN Shi-Bin, ZHU Qiang-Qiang, QIANG Ying-Huai, LUO Lin. Functionalized Carbon Nanotubes as Pt Catalyst Supports in Methanol Oxidation[J]. Chinese Journal of Catalysis, 2012, 33(2): 290-297.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(11)60332-X

https://www.cjcatal.com/EN/Y2012/V33/I2/290

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