Issue 12, 2024

Prominent development of Ni-based oxygen-evolving electrocatalysts for water splitting

Abstract

Achieving a future sustainable carbon-neutral society requires the development of efficient systems for the chemical conversion of solar light energy to CO2-free fuels such as H2 as alternatives to fossil fuel. In this case, water splitting driven by solar energy is one of the most promising approaches for sustainable H2 production. However, the critical bottleneck in establishing efficient water splitting systems is the sluggish oxygen evolution reaction (OER) with high overpotentials (ηO2). Thus, the development of highly efficient OER electrocatalysts to minimize ηO2 and thus attain efficient water splitting is a challenging key task. Recently, there has been prominent progress in the development of efficient Ni-based electrocatalysts with extremely low ηO2. Herein, the aspects and mechanisms of state-of-the-art Ni-based OER electrocatalysts reported in the last three years from 2020 to 2023 are reviewed. Furthermore, we discuss the perspectives to develop efficient Ni-based OER electrocatalysts based on the comprehensive understanding of the catalysts introduced in this review.

Graphical abstract: Prominent development of Ni-based oxygen-evolving electrocatalysts for water splitting

Article information

Article type
Review Article
Submitted
17 Jan 2024
Accepted
21 Apr 2024
First published
25 Apr 2024

Catal. Sci. Technol., 2024,14, 3287-3319

Prominent development of Ni-based oxygen-evolving electrocatalysts for water splitting

Y. Tsubonouchi, Z. N. Zahran, D. Chandra, N. Hoshino and M. Yagi, Catal. Sci. Technol., 2024, 14, 3287 DOI: 10.1039/D4CY00066H

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