Preparation of expanded graphite supported Pt nanoparticle catalyst and its electrocatalytic performance in the direct methanol fuel cell

CHEN Mao-jun; XU Bin; DONG Han-ting; WU Xiong-xi; ZENG Li

doi:10.19906/j.cnki.JFCT.2021019

Volume 49 Issue 3

Mar. 2021

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CHEN Mao-jun, XU Bin, DONG Han-ting, WU Xiong-xi, ZENG Li. Preparation of expanded graphite supported Pt nanoparticle catalyst and its electrocatalytic performance in the direct methanol fuel cell[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 373-378. doi: 10.19906/j.cnki.JFCT.2021019

Citation:

CHEN Mao-jun, XU Bin, DONG Han-ting, WU Xiong-xi, ZENG Li. Preparation of expanded graphite supported Pt nanoparticle catalyst and its electrocatalytic performance in the direct methanol fuel cell[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 373-378. doi: 10.19906/j.cnki.JFCT.2021019

Citation:

CHEN Mao-jun, XU Bin, DONG Han-ting, WU Xiong-xi, ZENG Li. Preparation of expanded graphite supported Pt nanoparticle catalyst and its electrocatalytic performance in the direct methanol fuel cell[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 373-378. doi: 10.19906/j.cnki.JFCT.2021019

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Preparation of expanded graphite supported Pt nanoparticle catalyst and its electrocatalytic performance in the direct methanol fuel cell

doi: 10.19906/j.cnki.JFCT.2021019

1.
Zhejiang Industry Polytechnic College, Shaoxing 312000, China
2.
College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China

Funds: The project was supported by the Public Projects of Zhejiang Province (LGG18E060002) and Research Foundation of Education of Zhejiang Province (Y201941416).

Received Date: 2020-10-19
Rev Recd Date: 2020-11-09

Available Online: 2021-03-19

Publish Date: 2021-03-19

Abstract

Abstract

Expanded graphite (EG) was prepared by intercalation oxidation of natural flake graphite with perchloric acid and Pt nanoparticles were then loaded on the surface of EG by means of liquid phase reduction method with ethylene glycol. The electrocatalytic performance of EG-supported Pt nanoparticle (Pt/EG) catalyst in the direct methanol fuel cell was investigated with the help of XRD, TEM, SEM and cyclic voltammetry (CV) characterizations. The results show that the Pt nanoparticles with average diameter of 2.56 nm are well dispersed on the surface of EG. The structure of expanded graphite sheets can obviously improve the electrocatalystic activity and tolerance to CO poisoning ability during methanol oxidation. Under the same conditions, the mass specific activity and the current density of current Pt/EG catalyst are 1.24 times and 1.5 times that of the commercial JM Pt/C, respectively.
- expanded graphite,
- electrocatalysts,
- Pt nanoparticle,
- methanol oxidation

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References(31)

References

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