Issue 46, 2021

Application of expanded graphite-based materials for rechargeable batteries beyond lithium-ions

Abstract

New types of rechargeable batteries other than lithium-ions, including sodium/potassium/zinc/magnesium/calcium/aluminum-ion batteries and non-aqueous batteries, are rapidly advancing towards large-scale energy storage applications. A major challenge for these burgeoning batteries is the absence of appropriate electrode materials, which gravely hinders their further development. Expanded graphite (EG)-based electrode materials have been proposed for these emerging batteries due to their low cost, non-toxic, rich-layered structure and adjustable layer spacing. Here, we evaluate and summarize the application of EG-based materials in rechargeable batteries other than Li+ batteries, including alkaline ion (such as Na+, K+) storage and multivalent ion (such as Mg2+, Zn2+, Ca2+ and Al3+) storage batteries. Particularly, this article discusses the composite strategy and performance of EG-based materials, which enables them to function as an electrode in these emerging batteries. Future research areas in EG-based materials, from the fundamental understanding of material design and processing to reaction mechanisms and device performance optimization strategies, are being looked forward to.

Graphical abstract: Application of expanded graphite-based materials for rechargeable batteries beyond lithium-ions

Article information

Article type
Review Article
Submitted
07 sept. 2021
Accepted
28 oct. 2021
First published
28 oct. 2021

Nanoscale, 2021,13, 19291-19305

Application of expanded graphite-based materials for rechargeable batteries beyond lithium-ions

L. Li, W. Zhang, W. Pan, M. Wang, H. Zhang, D. Zhang and D. Zhang, Nanoscale, 2021, 13, 19291 DOI: 10.1039/D1NR05873H

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