Polyolefin-Based Janus Separator for Rechargeable Sodium Batteries

Angewandte Chemie
Dong ZhouGuoxiu Wang

Abstract

Rechargeable sodium battery is a promising technology for low-cost energy storage. However, the undesirable drawbacks originating from the glass fiber membrane separators have been long overlooked. Herein, we report a versatile "grafting-filtrating" strategy to controllably tune commercial polyolefin separators for sodium batteries. The as-developed Janus separators contain a single sodium-ion conducting polymer grafted side and a functional low-dimensional material coated side. When employed in room-temperature sodium-sulfur batteries as an example, a poly(1-[3-(methacryloyloxy) propylsulfonyl]-1-(trifluoromethanesulfonyl)-imide sodium) grafted side effectively enhances the electrolyte wettability, and inhibits the polysulfide diffusion and sodium dendrite growth. Moreover, a titanium-deficient nitrogen-containing MXene coated side electrocatalytically improve the polysulfide conversion kinetics. The as-developed batteries show high capacity, extended cycling life with lean electrolyte loading.

References

Oct 14, 2011·The Journal of Physical Chemistry. B·Ninie S A MananChristopher Hardacre
Oct 27, 2015·Accounts of Chemical Research·Zhengyuan TuLynden A Archer
Jan 18, 2017·Chemical Society Reviews·Heng ZhangZhibin Zhou
Jan 24, 2017·Advanced Materials·Shuya WeiLynden A Archer
Sep 8, 2017·Nature Communications·Xiaoming XuLiqiang Mai
Jun 2, 2018·Advanced Materials·Bing SunGuoxiu Wang
Jun 13, 2018·Proceedings of the National Academy of Sciences of the United States of America·Snehashis ChoudhuryLynden A Archer
Jun 28, 2018·Angewandte Chemie·Dong ZhouGuoxiu Wang
Feb 16, 2019·Journal of the American Chemical Society·Zhenzhen DuLi-Jun Wan

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Citations

Feb 9, 2021·Angewandte Chemie·Jiahui ZhouShengming Xu
Apr 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yanjie WangXiaoyuan Zeng
Jun 10, 2021·Advanced Science·Pin MaHui Ying Yang
Sep 28, 2021·Journal of the American Chemical Society·Zengming ManGuoxiu Wang
Dec 17, 2021·Angewandte Chemie·Gregorio Guzmán-GonzálezDavid Mecerreyes

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