Citation: LÜ Ying-rong, SUN Wei-yan, WANG Feng. Highly active PtCo-CNT@TiO₂ composite nanoanode catalyst for direct methanol fuel cells[J]. Journal of Fuel Chemistry and Technology, ;2019, 47(12): 1522-1528. shu

Highly active PtCo-CNT@TiO₂ composite nanoanode catalyst for direct methanol fuel cells

LÜ Ying-rong ^1,2 ,
SUN Wei-yan ^1,2 ,
WANG Feng ^2,,

1.
North University of China, Taiyuan 030051, China
2.
Taiyuan Institute of Technology, Taiyuan 030008, China

Corresponding author: WANG Feng, 1037400468@qq.com
Received Date: 27 August 2019
Revised Date: 27 October 2019

Fund Project: the Shanxi Natural Science Foundation 201701D121040The project was supported by the Shanxi Natural Science Foundation(201701D121040)

Figures(9)

With CNT@TiO₂ prepared by sol-gel method as the support, the PtCo-CNT@TiO₂ composite was prepared by electro-deposition and used as the anode catalyst for direct methanol fuel cells. The PtCo-CNT@TiO₂ composite was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and electrochemical workstation. The results show that the PtCo-CNT@TiO₂ composite displays significant crystals and the metal particles surround the TiO₂-coated carbon nanotubes; when used as the anode catalyst for direct methanol fuel cells, it exhibits high activity and stability. The PtCo-CNT@TiO₂ catalyst has an electrochemical surface area of 164 m²/g and the oxidation peak current of methanol reaches 45 mA/cm² at 65 ℃; after 300 s, the oxidation current tends to be 24 mA/cm² and the oxidation peak current of methanol under alkaline conditions is 39.7 mA/cm².
- electrochemical deposition,
- catalytic activity,
- PtCo-CNT@TiO₂,
- composite nano catalyst,
- direct methanol fuel cell
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Highly active PtCo-CNT@TiO2 composite nanoanode catalyst for direct methanol fuel cells

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通讯作者: 陈斌, bchen63@163.com

Highly active PtCo-CNT@TiO₂ composite nanoanode catalyst for direct methanol fuel cells