Issue 2, 2024

Cocktail effect in high-entropy perovskite oxide for boosting alkaline oxygen evolution

Abstract

Due to the cocktail effect, La0.5Sr0.5Mn0.15Fe0.15Co0.4Ni0.15Cu0.15O3 perovskite oxide hollow nanofibers exhibit excellent intrinsic activity for alkaline oxygen evolution reaction (OER) with a small overpotential of 309 mV (10 mA cm−2). Operando electrochemical Raman spectra provide evidence for the generation of crucial intermediates on specific active sites in this high-entropy oxide system. This work will guide the rational utilization of the cocktail effect in multi-site electrocatalysts.

Graphical abstract: Cocktail effect in high-entropy perovskite oxide for boosting alkaline oxygen evolution

Supplementary files

Article information

Article type
Communication
Submitted
25 sep 2023
Accepted
29 nov 2023
First published
30 nov 2023

New J. Chem., 2024,48, 511-514

Cocktail effect in high-entropy perovskite oxide for boosting alkaline oxygen evolution

J. Hao, F. Ma, Y. Chen, S. Lu, F. Duan, M. Du, C. Wang, W. Zhang and H. Zhu, New J. Chem., 2024, 48, 511 DOI: 10.1039/D3NJ04481E

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