Issue 48, 2023

Reducing volume expansion in micro silicon anodes via aramid nanofibers for stable lithium-ion batteries

Abstract

The aramid nanofibers form networks on micro silicon particles (ANF-SMPs) by cryofixation and acid-induced protonation, whose zongzi-like wrapping structure reduces volume expansion during (de)lithiation. The obtained ANF-SMP electrode achieves a high capacity retention of 90.7% after 100 cycles at 0.5C, which maps a promising future for anodes with a long lifespan.

Graphical abstract: Reducing volume expansion in micro silicon anodes via aramid nanofibers for stable lithium-ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
18 Apr 2023
Accepted
25 May 2023
First published
26 May 2023

Chem. Commun., 2023,59, 7435-7438

Reducing volume expansion in micro silicon anodes via aramid nanofibers for stable lithium-ion batteries

Q. Liu, W. Tang, C. Yang, W. Cai, F. Chen and Q. Fu, Chem. Commun., 2023, 59, 7435 DOI: 10.1039/D3CC01909H

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