Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 850, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2019.113436
Keywords
Electrocatalyst; Hollow nanospheres; Fe3S4@NiS; Oxygen evolution reaction
Categories
Funding
- National Science Fund for Distinguished Young Scholars [21425729]
- National Natural Science Foundation of China
- Tianjin science and technology support key projects [18YFZCSF00500]
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Due to outstanding performance in energy conversion and storage, transition metal sulfides as well as hollow microstructure have become possible alternatives to noble metal electrocatalyst and become a hot issue. Therefore, we successfully synthesized Fe3S4@NiS hollow nanospheres (HSs) by a one-step solvothermal process, applied in oxygen evolution reactions (OER) to provide sustainable energy. Owing to particular microstructure and proper elemental composition ratio, Fe3S4@NiS HSs (partially been oxidized) show an outstanding OER performance with the overpotential and Tafel slope of only 338 mV at 10 mA cm(-2) and 73 mV dec(-1) in 0.1 M KOH solution, respectively. (C) 2019 Elsevier By. All rights reserved.
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