Journal
MATERIALS LETTERS
Volume 310, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.131409
Keywords
Electrodeposition; Amorphous material; Electrocatalyst; HER; Selenide
Funding
- Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korean Government Ministry of Trade, Industry and Energy [20194030202470]
- Technology Development Program to Solve Climate Changes of the National Research Foundation - Ministry of Science and ICT [2016M1A2A2936784]
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In this study, amorphous NiMoSe nanospheres were synthesized on Ni foam via electrodeposition, showing outstanding catalytic activity for the hydrogen evolution reaction with low overpotential and small Tafel slope, as well as long-term durability.
The search for effective electrocatalysts for energy conversion is crucial for the advancement of green energy. Electrodeposition is a simple but effective method of preparing improved electrodes for use in the electrochemical sector. In the present work, we have synthesized amorphous NiMoSe nanospheres on Ni foam (NF) via a simple electrodeposition method. The synthesized NiMoSe demonstrates outstanding catalytic activity for the hydrogen evolution reaction (HER), with a small overpotential of 130 mV at a current density of 10 mA cm(-2) in 1 M KOH electrolyte and a small Tafel slope of 59 mV dec(-1) . Furthermore, NiMoSe also shows long-term durability over 45 h.
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