Highly active PtCo-CNT@TiO<sub>2</sub> composite nanoanode catalyst for direct methanol fuel cells

LÜ Ying-rong; SUN Wei-yan; WANG Feng

Volume 47 Issue 12

Dec. 2019

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Article Navigation > Journal of Fuel Chemistry and Technology > 2019 > 47(12): 1522-1528

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.

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.

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.

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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

Funds:

the Shanxi Natural Science Foundation 201701D121040

More Information

Corresponding author: WANG Feng, E-mail: 1037400468@qq.com
Received Date: 2019-08-27
Rev Recd Date: 2019-10-27

Available Online: 2021-01-23

Publish Date: 2019-12-10

Abstract

Abstract

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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References(32)

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