Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 878, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2020.114595
Keywords
Electrocatalyst; Oxygen evoluation reaction (OER); Fe doped; Cobalt selenide
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Funding
- Tarbiat Modares University
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The production of hydrogen by water electrolysis fundamentally requires growth of strong and effective oxygen evolutional electrocatalysts. Transition metal selenides, comprising of earth abundant elements have attracted regards as superb electrocatalysts for oxygen evolution reaction (OER) in the alkaline electrolyte. Toward defeat the huge overpotential for OER, in this manuscript we investigate the expansion of Fe doped cobalt-diselenide (Fe-CoSe2) nano structure over 3D nickel foam (NF) through a simple and scalable electrodeposition technique. The prepared Fe-CoSe2/ NF electrode demands an overpotential of only 220 and 256 mV to attain the current density of 10 and 100 mA cm(-2), respectively. Moreover, the Fe-CoSe2/NF exhibits negligible tafel slope (35.6 mV dec(-1)) and good stability.
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