A Facile Route to Synthesize Pt-WO₃ Nanosheets with Enhanced Electrochemical Performance for HER

Authors

Peng-jie JIANG, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;
Yi LV, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;
Chang-miao CHEN, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;
Hong-cheng HE, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;
Yong CAI, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;Follow
Ming ZHANG, School of Physics and Electronics, College of Materials Science and Engineering, Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, Hunan University, Changsha 410082, China;Follow

Corresponding Author

Yong CAI(cloudoo1@126.com);
Ming ZHANG(zhangming@hnu.edu.cn)

Abstract

Platinum-tungsten trioxide (Pt-WO₃) nanosheets were synthesized on nickel foams (NFs) directly. As great conductive networks, NFs substrates could greatly improve the electrode performance of WO₃. The modified platinum nanoparticles not only enhanced the electron transformation of catalysts, but also increased the active sites for hydrogen evolution reaction (HER). Pt-WO₃/NF revealed a better catalytic activity than WO₃/NFs with a smaller Tafel slope (80 mV·dec^-1) and a lower overpotential of 72 mV at the current density of 10 mA·cm^-2. In addition, Pt-WO₃/NF showed great durability and stability during the long-term electrochemical test of 45 h. This work provides a facile strategy of improving transition metal oxides (TMOs) as high activity HER catalysts for promising practical applications.

Graphical Abstract

Keywords

tungsten oxide, hydrogen evolution reaction, nanosheets, platinum catalysts

DOI Link

https://doi.org/10.13208/j.electrochem.181143

Publication Date

2019-10-28

Online Available Date

2019-03-01

Revised Date

2018-12-18

Received Date

2018-11-12

Recommended Citation

Peng-jie JIANG, Yi LV, Chang-miao CHEN, Hong-cheng HE, Yong CAI, Ming ZHANG. A Facile Route to Synthesize Pt-WO₃ Nanosheets with Enhanced Electrochemical Performance for HER[J]. Journal of Electrochemistry, 2019 , 25(5): 562-570.
DOI: 10.13208/j.electrochem.181143
Available at: https://jelectrochem.xmu.edu.cn/journal/vol25/iss5/4