原位电子显微镜在氧电催化中的应用

IF 3.3 3区物理与天体物理 Q2 PHYSICS, CONDENSED MATTER

Superlattices and Microstructures Pub Date : 2022-01-01 DOI:10.20517/microstructures.2021.12

Zhi‐Peng Wu, Hui Zhang, Cailing Chen, Guanxing Li, Yu Han

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引用次数: 3

摘要

氧电催化涉及氧还原反应(ORR)和析氧反应(OER)，在能量转换和存储的前沿技术中起着至关重要的作用。对氧电催化过程中催化剂的原位研究可以为了解其结构-活性关系和工作条件下的稳定性提供重要的见解。在各种可用的原位表征工具中，原位电子显微镜具有高空间分辨率进行结构和成分分析的独特能力。本文综述了原位和准原位电镜技术的最新进展，包括同位电镜、原位液体细胞(扫描)透射电镜和原位环境透射电镜，并阐述了它们在ORR和OER中的应用。主要讨论了电催化剂的降解机理、结构演变和结构性能关系。最后，我们总结了前面的讨论，并对原位电子显微镜研究氧电催化及其相关过程面临的挑战和未来的研究方向进行了展望。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Applications of in situ electron microscopy in oxygen electrocatalysis

Oxygen electrocatalysis involving the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) plays a vital role in cutting-edge energy conversion and storage technologies. In situ studies of the evolution of catalysts during oxygen electrocatalysis can provide important insights into their structure - activity relationships and stabilities under working conditions. Among the various in situ characterization tools available, in situ electron microscopy has the unique ability to perform structural and compositional analyzes with high spatial resolution. In this review, we present the latest developments in in situ and quasi-in situ electron microscopic techniques, including identical location electron microscopy, in situ liquid cell (scanning) transmission electron microscopy and in situ environmental transmission electron microscopy, and elaborate their applications in the ORR and OER. Our discussion centers on the degradation mechanism, structural evolution and structure - performance correlations of electrocatalysts. Finally, we summarize the earlier discussions and share our perspectives on the current challenges and future research directions of using in situ electron microscopy to explore oxygen electrocatalysis and related processes.

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来源期刊

Superlattices and Microstructures 物理-物理：凝聚态物理

CiteScore

6.10

自引率

3.20%

发文量

审稿时长

2.8 months

期刊介绍： Micro and Nanostructures is a journal disseminating the science and technology of micro-structures and nano-structures in materials and their devices, including individual and collective use of semiconductors, metals and insulators for the exploitation of their unique properties. The journal hosts papers dealing with fundamental and applied experimental research as well as theoretical studies. Fields of interest, including emerging ones, cover: • Novel micro and nanostructures • Nanomaterials (nanowires, nanodots, 2D materials ) and devices • Synthetic heterostructures • Plasmonics • Micro and nano-defects in materials (semiconductor, metal and insulators) • Surfaces and interfaces of thin films In addition to Research Papers, the journal aims at publishing Topical Reviews providing insights into rapidly evolving or more mature fields. Written by leading researchers in their respective fields, those articles are commissioned by the Editorial Board. Formerly known as Superlattices and Microstructures, with a 2021 IF of 3.22 and 2021 CiteScore of 5.4