Issue 10, 2022

Cross-linked β-CD-CMC as an effective aqueous binder for silicon-based anodes in rechargeable lithium-ion batteries

Abstract

As a non-active material component, the binder can effectively maintain the integrity of battery electrodes. In this work, based on the inspired structure of fishing nets, a three-dimensional mesh adhesive using widely sourced raw materials CMC and β-CD was designed. These cross-linked cyclodextrins have the advantage of dispersing the stress at the anchor point and moderating the significant volume changes of the Si anode. The Si/β-CD-CMC electrode maintains a reversible capacity of 1702 mA h g−1 even after 200 cycles at a high current of 0.5C. This work represents a significant step forward in Si anode binders and enables the cross-linked cyclodextrins to have potential applications in energy storage systems.

Graphical abstract: Cross-linked β-CD-CMC as an effective aqueous binder for silicon-based anodes in rechargeable lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
22 Nov 2021
Accepted
09 Feb 2022
First published
18 Feb 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 5997-6006

Cross-linked β-CD-CMC as an effective aqueous binder for silicon-based anodes in rechargeable lithium-ion batteries

H. Jiang, Y. Yang, Y. Nie, Z. Su, Y. Long, Y. Wen and J. Su, RSC Adv., 2022, 12, 5997 DOI: 10.1039/D1RA08538G

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