Citation: Muhammad Tuoqeer Anwar, Xiaohui Yan, Muhammad Rehman Asghar, Naveed Husnain, Shuiyun Shen, Liuxuan Luo, Xiaojing Cheng, Guanghua Wei, Junliang Zhang. MoS₂-rGO hybrid architecture as durable support for cathode catalyst in proton exchange membrane fuel cells[J]. Chinese Journal of Catalysis, ;2019, 40(8): 1160-1167. doi: S1872-2067(19)63365-6 shu

MoS₂-rGO hybrid architecture as durable support for cathode catalyst in proton exchange membrane fuel cells

a Institute of Fuel Cells, School of Mechanical Engineering, MOE Key Laboratory of Power and Machinery Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
b COMSATS University Islamabad(Sahiwal Campus), Off G. T. Rd., Sahiwal, Punjab 57000, Pakistan;
c Institute of Thermal Energy Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
d SJTU-ParisTech Elite Institute of Technology, Shanghai Jiao Tong University, Shanghai 200240, China

Received Date: 13 March 2019
Revised Date: 1 April 2019

Fund Project: This work was financially aided by the National Key R&D Program of China (2016YFB0101201) and the National Natural Science Foundation of China (21706158, 21533005).

Carbon black is utilized as a conventional electrocatalyst support material for proton exchange membrane fuel cells. However, this support is prone to corrosion under oxidative and harsh environments, thus limiting the durability of the fuel cells. Meanwhile, carbon corrosion would also weaken the linkage between Pt and the support material, which causes Pt agglomeration, and consequently, deterioration of the cell performance. To overcome the drawbacks of a Pt/C electrocatalyst, a hybrid support material comprising molybdenum disulfide and reduced graphene oxide is proposed and synthesized in this study to exploit the graphitic nature of graphene and the availability of the exposed edges of MoS₂. TEM results show the uniform dispersion of Pt nanoparticles over the MoS₂-rGO surface. Electrochemical measurements indicate higher ECSA retention and better ORR activity after 10000 potential cycles for Pt/MoS₂-rGO as compared to Pt/C, demonstrating the improved durability for this hybrid support material.
- Fuel cell,
- Hybrid catalyst support,
- Carbon corrosion,
- Supported catalyst,
- Pt-based electrocatalyst
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MoS₂-rGO hybrid architecture as durable support for cathode catalyst in proton exchange membrane fuel cells