Hierarchical Chitin Fibers with Aligned Nanofibrillar Architectures: A Nonwoven-Mat Separator for Lithium Metal Batteries

ACS Nano
Joong-Kwon KimJungho Jin

Abstract

Here, we introduce regenerated fibers of chitin (Chiber), the second most abundant biopolymer after cellulose, and propose its utility as a nonwoven fiber separator for lithium metal batteries (LMBs) that exhibits an excellent electrolyte-uptaking capability and Li-dendrite-mitigating performance. Chiber is produced by a centrifugal jet-spinning technique, which allows a simple and fast production of Chibers consisting of hierarchically aligned self-assembled chitin nanofibers. Following the scrutinization on the Chiber-Li-ion interaction via computational methods, we demonstrate the potential of Chiber as a nonwoven mat-type separator by monitoring it in Li-O2 and Na-O2 cells.

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Citations

Jul 29, 2017·Chemical Reviews·Xin-Bing ChengQiang Zhang
Nov 16, 2018·Science Advances·Chen-Zi ZhaoQiang Zhang
Jan 1, 2019·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Bin LiShubin Yang
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Apr 1, 2018·Nature Reviews. Materials·Shengjie LingMarkus J Buehler
May 13, 2020·ACS Applied Materials & Interfaces·Yan OuyangHuiqiao Li
Mar 10, 2020·ACS Applied Materials & Interfaces·Tina NaghdiArben Merkoçi

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