Corrosion and Protection of Electrocatalysts toward Advanced Energy Technologies

Author:

Lei Ling1,Li Fumin2,Jiang Xueliang1,Yang Huan1,Yu Xia Bao2ORCID

Affiliation:

1. Hubei Key Laboratory of Plasma Chemistry and Advanced Materials School of Materials Science and Engineering Key Laboratory of Green Chemical Engineering Process of Ministry of Education, Wuhan Institute of Technology No. 206 Guanggu 1st Road Wuhan 430205 China

2. Key Laboratory of Material Chemistry for Energy Conversion and Storage Hubei Key Laboratory of Material Chemistry and Service Failure Hubei Engineering Research Center for Biomaterials and Medical Protective Materials School of Chemistry and Chemical Engineering Huazhong University of Science and Technology 1037 Luoyu Road Wuhan 430074 China

Abstract

AbstractHigh‐efficiency electrocatalysts play an important role in clean energy conversion technologies. Generally, electrocatalysts in different environments, including voltage, acid, and alkali electrolytes, are more susceptible to corrosion, which will induce structural and performance changes. Based on the latest achievements in the corrosion and protection of electrocatalysts in advanced energy technologies, this review mainly studies the application of various corrosion strategies to construct superior electrocatalysts, including chemical etching, metal corrosion transformation, and corrosion reconstruction, and their affecting factors are also appraised and summarized. To improve the stability of electrocatalysts, various corrosion inhibition strategies, such as carrier improvement and composition regulation accompanied by structure optimization, are reviewed. In addition, the application of catalyst corrosion in electrochemical energy technologies is examined from the perspective of the structure‐activity‐performance relationship. In the end, this article concludes the perspective and challenges of electrocatalyst corrosion in energy conversion and storage technologies. This article provides insights and directions for designing electrocatalysts with high efficiency and low corrosion, which is beneficial for developing corrosion chemistry for sustainable energy technologies.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hubei Province

Publisher

Wiley

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