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- Title
Operando imaging in electrocatalysis: insights into microstructural materials design.
- Authors
Fan, Lei; Chen, Shurui; Zhang, Weidong; Liu, Yong; Chen, Yan; Mao, Xianwen
- Abstract
Electrocatalysis plays a pivotal role in renewable energy conversion and associated chemical production, enabling a variety of emerging sustainability technologies with societal impacts. Achieving marked improvement in electrocatalytic performance relies on a deep understanding of catalyst microstructures and catalytic mechanisms, with a particular emphasis on the detailed, spatiotemporally resolved characterizations of the underlying fundamental electrocatalytic processes. This fundamental need drives the development of operando imaging techniques, which improve the ability to detect dynamic structural changes in electrocatalysts and establish clear structure‐performance relationships for morphologically complex, hierarchically structured catalytic materials. This review aims to highlight significant advancements in the application of operando imaging techniques to develop a deeper understanding of important heterogeneous electrocatalytic reactions critical for emerging sustainability technologies. We summarize the up‐to‐date key mechanistic insights regarding these reactions achieved through a range of operando imaging techniques, including electron microscopies, X‐ray imaging techniques, scanning probe microscopies, and optical microscopies. We conclude by pointing out emerging directions and future prospects within the field of operando imaging in electrocatalysis.
- Subjects
CHEMICAL energy conversion; ELECTROCATALYSIS; SCANNING probe microscopy; ELECTROCATALYSTS; X-ray imaging; MICROSCOPY; ELECTRON microscopy; NEAR-field microscopy; RENEWABLE energy sources
- Publication
Chemistry - An Asian Journal, 2024, Vol 19, Issue 5, p1
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.202301054