Issue 18, 2021

A review of the synergistic effect of multi-coordination crystal fields on electrocatalysts

Abstract

The development of an accurate structure–property relationship is vital to design electrocatalysts in energy conversion and storage devices. Recent structure–property relationships are based on the static catalytic process. In realistic reactions, the local catalytic environment varies, which further regulates the catalytic performance. To establish a dynamic catalytic theory to more accurately describe the structure–property, the synergetic cooperation between active sites and their local environments should be considered. Based on the transition-metal oxide electrocatalysts composed of the specific ligand units, we developed a concept of ligand field cooperative catalysis (LFCC) including the interaction among ligand units composed with metal centers and oxygen ligands. LFCC could be achieved through either the charge transfer between different ligand units or reactant adsorption configuration modifications. We further reviewed the recent strategies to modify the cooperative effects of ligand units, e.g., introducing doping, vacancy, strain, ligand, substrate, and interface. The concept of LFCC comprehensively considers both the metal central atom and adjacent ligand units during the catalytic reaction providing insights into the design of future oxide catalysts.

Graphical abstract: A review of the synergistic effect of multi-coordination crystal fields on electrocatalysts

Article information

Article type
Review Article
Submitted
06 май 2021
Accepted
12 юли 2021
First published
19 юли 2021

Mater. Chem. Front., 2021,5, 6718-6734

A review of the synergistic effect of multi-coordination crystal fields on electrocatalysts

S. Gao, L. Wang, C. Zhao, A. Wang, X. Lang, Z. Liu and W. Wang, Mater. Chem. Front., 2021, 5, 6718 DOI: 10.1039/D1QM00658D

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