Issue 20, 2023

Research status, opportunities, and challenges of cobalt phosphate based materials as OER electrocatalysts

Abstract

Although water splitting is currently the most promising technology for preparing green hydrogen on a large scale, high energy consumption has limited its industrial application. The sluggishness of the oxygen evolution reaction (OER) at the anode hinders the electrolysis efficiency of water splitting. Thus, the preparation of a high-performance OER catalyst is the key to the electrolysis process. Cobalt phosphate (CoPi) based material has attracted great attention due to its low cost, abundance, good stability, high catalytic activity, and redox properties. This review aims to provide an overview of recent advances in CoPi, including structural composition, synthesis methods, and OER enhancement. The response mechanisms are summarized and elucidated to understand the OER behavior of CoPi. In addition, the challenges and prospects for CoPi are proposed.

Graphical abstract: Research status, opportunities, and challenges of cobalt phosphate based materials as OER electrocatalysts

Article information

Article type
Tutorial Review
Submitted
05 Jul 2023
Accepted
01 Sep 2023
First published
08 Sep 2023

Green Chem., 2023,25, 7883-7903

Research status, opportunities, and challenges of cobalt phosphate based materials as OER electrocatalysts

X. Zhang, Q. Hou, S. Cao, X. Lin, X. Chen, Z. Wang, S. Wei, S. Liu, F. Dai and X. Lu, Green Chem., 2023, 25, 7883 DOI: 10.1039/D3GC02416D

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