Nickel-Based Electrocatalysts for Water Electrolysis

Zuraya Angeles-Olvera, Alfonso Crespo-Yapur, Oliver Rodríguez, Jorge L. Cholula-Díaz, Luz María Martínez and Marcelo Videa
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Zuraya Angeles-Olvera: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
Alfonso Crespo-Yapur: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
Oliver Rodríguez: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
Jorge L. Cholula-Díaz: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
Luz María Martínez: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
Marcelo Videa: School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico

Energies, 2022, vol. 15, issue 5, 1-35

Abstract: 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.

Keywords: water electrolysis; nickel; earth-abundant metals; electrocatalysis; HER; OER (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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