Journal
SMALL METHODS
Volume 5, Issue 6, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smtd.202100012
Keywords
activation strategies; nanostructures; oxygen-related electrocatalysis; perovskites
Funding
- National Natural Science Foundation of China [21931001, 21922105]
- Special Fund Project of Guiding Scientific and Technological Innovation Development of Gansu Province [2019ZX-04]
- 111 Project [B20027]
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Perovskite-type materials play a crucial role in oxygen-related electrochemical reactions, but most of them exhibit low intrinsic activity, highlighting the importance of activation strategies. This review summarizes recent progress in activation strategies and discusses their applications and future challenges in designing ideal perovskite-type structure catalysts.
The oxygen-related electrochemical process, including the oxygen evolution reaction and oxygen reduction reaction, is usually a kinetically sluggish reaction and thus dominates the whole efficiency of energy storage and conversion devices. Owing to the dominant role of the oxygen-related electrochemical process in the development of electrochemical energy, an abundance of oxygen-related electrocatalysts is discovered. Among them, perovskite-type materials with flexible crystal and electronic structures have been researched for a long time. However, most perovskite materials still show low intrinsic activity, which highlights the importance of activation strategies for perovskite-type structures to improve their intrinsic activity. In this review, the recent progress of the activation strategies for perovskite-type structures is summarized and their related applications in oxygen-related electrocatalysis reactions, including electrochemistry water splitting, metal-air batteries, and solid oxide fuel cells are discussed. Furthermore, the existing challenges and the future perspectives for the designing of ideal perovskite-type structure catalysts are proposed and discussed.
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