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Electrochemical Activation, Sintering, and Reconstruction in Energy‐Storage Technologies: Origin, Development, and Prospects

Electrochemical Activation, Sintering, and Reconstruction in Energy‐Storage Technologies: Origin,... Although there has been significant progress in designing electrode materials and exploring the electrochemical reaction mechanisms in battery systems, the morphological, structural, and compositional evolution of electrode materials during charge/discharge processes remain poorly understood. This review focuses on the morphological evolution of electrode materials during cycling. First, electrode design in lithium‐ion batteries (LIBs), pointing out the inevitable morphological variations in the electrode during cycling, is discussed. To describe such variations, the origins of electrochemical activation, sintering, and reconstruction in LIBs are introduced. Their development, providing a profound interpretation of the morphological evolution and associated performance, in situ characterization of the reconstruction process, and advanced means for self‐adaptive reconstruction, is summarized. Subsequently, electrode materials and energy‐storage devices applicable to these concepts are introduced. Finally, current research challenges, e.g., deficiencies in the available research methods, limited information available on electrochemical reconstruction, and lack of precise control over electrochemical reconstruction, are discussed. Furthermore, the most likely areas where further breakthroughs in electrochemical reconstruction may be achieved are discussed. This review is expected to promote research interest in studies on the morphological, structural, and compositional variations in electrode materials and expand the connection between electrochemical activation, sintering, and reconstruction, facilitating the development of energy‐storage devices. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Electrochemical Activation, Sintering, and Reconstruction in Energy‐Storage Technologies: Origin, Development, and Prospects

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References (150)

Publisher
Wiley
Copyright
© 2022 Wiley‐VCH GmbH
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.202103689
Publisher site
See Article on Publisher Site

Abstract

Although there has been significant progress in designing electrode materials and exploring the electrochemical reaction mechanisms in battery systems, the morphological, structural, and compositional evolution of electrode materials during charge/discharge processes remain poorly understood. This review focuses on the morphological evolution of electrode materials during cycling. First, electrode design in lithium‐ion batteries (LIBs), pointing out the inevitable morphological variations in the electrode during cycling, is discussed. To describe such variations, the origins of electrochemical activation, sintering, and reconstruction in LIBs are introduced. Their development, providing a profound interpretation of the morphological evolution and associated performance, in situ characterization of the reconstruction process, and advanced means for self‐adaptive reconstruction, is summarized. Subsequently, electrode materials and energy‐storage devices applicable to these concepts are introduced. Finally, current research challenges, e.g., deficiencies in the available research methods, limited information available on electrochemical reconstruction, and lack of precise control over electrochemical reconstruction, are discussed. Furthermore, the most likely areas where further breakthroughs in electrochemical reconstruction may be achieved are discussed. This review is expected to promote research interest in studies on the morphological, structural, and compositional variations in electrode materials and expand the connection between electrochemical activation, sintering, and reconstruction, facilitating the development of energy‐storage devices.

Journal

Advanced Energy Materials – Wiley

Published: May 1, 2022

Keywords: electrochemical activation; electrochemical reconstruction; electrochemical sintering

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