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Review

Nickel-Based Electrocatalysts for Water Electrolysis

1
School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
2
Département de Pharmacologie el Physiologie, Université de Montréal, Montreal, QC H2X 0A9, Canada
3
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Fabiola Navarro-Pardo
Energies 2022, 15(5), 1609; https://doi.org/10.3390/en15051609
Received: 5 January 2022 / Revised: 21 January 2022 / Accepted: 14 February 2022 / Published: 22 February 2022
(This article belongs to the Special Issue Earth-Abundant Nanohybrid Electrodes for Hydrogen Generation)
Currently, hydrogen production is based on the reforming process, leading to the emission of pollutants; therefore, a substitute production method is imminently required. Water electrolysis is an ideal alternative for large-scale hydrogen production, as it does not produce any carbon-based pollutant byproducts. The production of green hydrogen from water electrolysis using intermittent sources (e.g., solar and eolic sources) would facilitate clean energy storage. However, the electrocatalysts currently required for water electrolysis are noble metals, making this potential option expensive and inaccessible for industrial applications. Therefore, there is a need to develop electrocatalysts based on earth-abundant and low-cost metals. Nickel-based electrocatalysts are a fitting alternative because they are economically accessible. Extensive research has focused on developing nickel-based electrocatalysts for hydrogen and oxygen evolution. Theoretical and experimental work have addressed the elucidation of these electrochemical processes and the role of heteroatoms, structure, and morphology. Even though some works tend to be contradictory, they have lit up the path for the development of efficient nickel-based electrocatalysts. For these reasons, a review of recent progress is presented herein. View Full-Text
Keywords: water electrolysis; nickel; earth-abundant metals; electrocatalysis; HER; OER water electrolysis; nickel; earth-abundant metals; electrocatalysis; HER; OER
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MDPI and ACS Style

Angeles-Olvera, Z.; Crespo-Yapur, A.; Rodríguez, O.; Cholula-Díaz, J.L.; Martínez, L.M.; Videa, M. Nickel-Based Electrocatalysts for Water Electrolysis. Energies 2022, 15, 1609. https://doi.org/10.3390/en15051609

AMA Style

Angeles-Olvera Z, Crespo-Yapur A, Rodríguez O, Cholula-Díaz JL, Martínez LM, Videa M. Nickel-Based Electrocatalysts for Water Electrolysis. Energies. 2022; 15(5):1609. https://doi.org/10.3390/en15051609

Chicago/Turabian Style

Angeles-Olvera, Zuraya, Alfonso Crespo-Yapur, Oliver Rodríguez, Jorge L. Cholula-Díaz, Luz M. Martínez, and Marcelo Videa. 2022. "Nickel-Based Electrocatalysts for Water Electrolysis" Energies 15, no. 5: 1609. https://doi.org/10.3390/en15051609

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