Issue 31, 2023

Deeper mechanistic insights into epitaxial nickelate electrocatalysts for the oxygen evolution reaction

Abstract

Mass production of green hydrogen via water electrolysis requires advancements in the performance of electrocatalysts, especially for the oxygen evolution reaction. In this feature article, we highlight how epitaxial nickelates act as model systems to identify atomic-level composition–structure–property–activity relationships, capture dynamic changes under operating conditions, and reveal reaction and failure mechanisms. These insights guide advanced electrocatalyst design with tailored functionality and superior performance. We conclude with an outlook for future developments via operando characterization and multilayer electrocatalyst design.

Graphical abstract: Deeper mechanistic insights into epitaxial nickelate electrocatalysts for the oxygen evolution reaction

Article information

Article type
Feature Article
Submitted
23 Jan 2023
Accepted
01 Mar 2023
First published
02 Mar 2023
This article is Open Access
Creative Commons BY license

Chem. Commun., 2023,59, 4562-4577

Deeper mechanistic insights into epitaxial nickelate electrocatalysts for the oxygen evolution reaction

E. M. Kiens, M. Choi, L. Wei, Q. Lu, L. Wang and C. Baeumer, Chem. Commun., 2023, 59, 4562 DOI: 10.1039/D3CC00325F

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