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Kumar, M.P.; Sasikumar, M.; Arulraj, A.; Rajasudha, V.; Murugadoss, G.; Kumar, M.R.; Peera, S.G.; Mangalaraja, R.V. |
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Title |
NiFe Layered Double Hydroxide Electrocatalyst Prepared via an Electrochemical Deposition Method for the Oxygen Evolution Reaction |
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2022 |
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Catalysts |
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Catalysts |
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12 |
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11 |
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1470 |
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Keywords |
OER; NiFe-LDH electrocatalyst; electrochemical deposition; (Oxy)hydroxides phases; long-time stability |
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Abstract |
Herein, we aimed to obtain NiFe layered double hydroxide (LDH) with a controlled phase and surface morphology as a highly active and stable oxygen evolution catalyst via the electrochemical deposition method, which was thermodynamically stable for the oxygen evolution reaction (OER) in an alkaline medium. The NiFe-LDH sample was analyzed by sophisticated instruments and tested as an electrocatalyst on Toray carbon (TC). The NiFe-LDH electrocatalyst showed an excellent performance with lower overpotential of 0.27 V at 35 mA cm(-2) and higher density of 125 mA cm(-2) for OER in the 1 M KOH electrolyte solution. Moreover, the prepared catalyst exhibited unpredictable long-time stability for 700 h. From our knowledge, NiFe-LDH is a robust highly stable electrocatalyst compared to the recent reports. |
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2073-4344 |
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WOS:000894739800001 |
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UAI @ alexi.delcanto @ |
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1680 |
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