Journal
ELECTROCHIMICA ACTA
Volume 232, Issue -, Pages 254-261Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2017.02.146
Keywords
Hydrogen evolution reaction; Electrocatalysts; Molybdenum phosphide; Reduced graphene oxide
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Funding
- National Natural Science Foundation [21306060, 21573083]
- Program for New Century Excellent Talents in Universities of China [NCET-13-0237]
- Doctoral Fund of Ministry of Education of China [20130142120039]
- 1000 Young Talent
- Huazhong University of Science and Technology (HUST)
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Electrochemical splitting of water to obtain hydrogen plays a vital role in high energy density devices, especially for fuel cells. In this work, reduced graphene oxide supported molybdenum phosphide nanoparticles (MoP-RGO) were prepared via a facile solvothermal reaction followed by high-temperature phosphating treatment. The electrochemical measurement results indicate that the MoP-RGO nanocomposite obtained at 900 degrees C exhibits excellent electrocatalytic activity for hydrogen evolution reaction (HER) with overpotentials of 117 mV and 150 mV at a current density of 10 mA cm(-2) in acid and alkaline media, respectively. Furthermore, the instability of the catalyst in basic medium was systemically investigated. This work provides a facile strategy for the synthesis of cost-effective carbon supported metal phosphide as HER electrocatalyst. (C) 2017 Elsevier Ltd. All rights reserved.
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