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Experimental Result Paper | Chemical Sciences | India | Volume 13 Issue 10, October 2024 | Popularity: 5.1 / 10
Innovative Catalytic Strategies: The Game - Changing Role of S - Doping in NiFe Layered Double Hydroxides (LDHs) for Superior Water Oxidation
Manoj Kumar, Raghvendra Pratap Singh
Abstract: In the quest for sustainable energy solutions, the efficient production of oxygen and hydrogen through water oxidation has emerged as a critical area of research The electrochemical water splitting can fulfill the future global energy demand by producing clean and eco - friendly H2. As the anodic oxygen evolution reaction (OER) of water splitting is kinetically sluggish and accompanied by the input of extra overpotential, a low cost and highly efficient electrocatalyst must be developed for efficient OER activity. Herein, we have explored a room temperature method for the S - doping in NiFeOOH nanosheets for the excellent OER activity. The S - doping in NiFeOOH modulated the electronic structure, increases the number of active sites and improved electrochemical surface area enhancing the OER activity. The S - NiFeOOH showed excellent OER activity and required only 200 mV overpotential to produce 50 mA cm - 2 current density in comparison to un - doped NiFeOOH. Moreover, S - NiFeOOH exhibited 24 h chronoamperometric (CA) stability for the O2 production at high current density.
Keywords: S-doping, ultrathin S-NiFeOOH nanosheets, electronic structure modulation, water splitting, oxygen evolution
Edition: Volume 13 Issue 10, October 2024
Pages: 313 - 319
DOI: https://www.doi.org/10.21275/SR241002170834
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