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The role of strain in oxygen evolution reaction

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The oxygen evolution reaction(OER)is a crucial step in metal-air batteries and water splitting technolo-gies,playing a significant role in the efficiency and achievable heights of these two technologies.However,the OER is a four-step,four-electron reaction,and its slow kinetics result in high overpotentials,posing a challenge.To address this issue,numerous strategies involving modified catalysts have been proposed and proven to be highly efficient.In these strategies,the introduction of strain has been widely reported because it is generally believed to effectively regulate the electronic structure of metal sites and alter the adsorption energy of catalyst surfaces with reaction intermediates.However,strain has many other effects that are not well known,making it an important yet unexplored area.Based on this,this review provides a detailed introduction to the various roles of strain in OER.To better explain these roles,the review also presents the definition of strain and elucidates the potential mechanisms of strain in OER based on the d-band center theory and adsorption volcano plot.Additionally,the review showcases var-ious ways of introducing strain in OER through examples reported in the latest literature,aiming to pro-vide a comprehensive perspective for the development of strain engineering.Finally,the review analyzes the appropriate proportion of strain introduction,compares compressive and tensile strain,and examines the impact of strain on stability.And the review offers prospects for future research directions in this emerging field.

Oxygen evolution reactionStrain generationTensile strainCompressive strainStrain mechanismStrain effects

Zihang Feng、Chuanlin Dai、Zhe Zhang、Xuefei Lei、Wenning Mu、Rui Guo、Xuanwen Liu、Junhua You

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School of Materials Science and Engineering,Northeastern University,Shenyang 110819,Liaoning,China

School of Materials Science and Technology,Shenyang University of Technology,Shenyang 110870,Liaoning,China

National Natural Science Foundation of ChinaFundamental Research Funds for the Central UniversitiesNatural Science Foundation-Steel,the Iron Foundation of Hebei ProvinceKey Research and Development Plan of Qinhuangdao CityLiaoning Applied Basic Research ProgramBasic scientific research project of Liaoning Province Department of EducationShenyang Science and Technology Project

520710722023GFZD03E2022501030202302B0132023JH2/101300011LJKZZ2022002423-407-3-13

2024

10.1016/j.jechem.2024.02.007

能源化学
中国科学院大连化学物理研究所 中国科学院成都有机化学研究所

能源化学

CSTPCDEI
影响因子：0.654
ISSN：2095-4956
年,卷(期)：2024.93(6)
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