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In Situ Grown S Nanosheets on Cu Foam: An Ultrahigh Electroactive Cathode for Room-Temperature Na-S Batteries

journal contribution
posted on 2024-11-16, 05:07 authored by Binwei Zhang, Yundan Liu, Yunxiao WangYunxiao Wang, Lei Zhang, Mingzhe Chen, Wei Lai, Shulei Chou, Hua LiuHua Liu, Shi DouShi Dou
Room-temperature sodium-sulfur batteries are competitive candidates for large-scale stationary energy storage because of their low price and high theoretical capacity. Herein, pure S nanosheet cathodes can be grown in situ on three-dimensional Cu foam substrate with the condensation between binary polymeric binders, serving as a model system to investigate the formation and electrochemical mechanism of unique S nanosheets on the Cu current collectors. On the basis of the confirmed conversion reactions to Na 2 S, The constructed cathode exhibits ultrahigh initial discharge/charge capacity of 3189/1403 mAh g -1 . These results suggest that there is great potential to optimize S cathode by exploiting low-cost Cu substrates instead of conventional Al current collectors.

Funding

Room-temperature sodium-sulphur batteries

Australian Research Council

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A 200 keV Analytical Transmission Electron Microscope

Australian Research Council

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History

Citation

Zhang, B., Liu, Y., Wang, Y., Zhang, L., Chen, M., Lai, W., Chou, S., Liu, H. & Dou, S. Xue. (2017). In Situ Grown S Nanosheets on Cu Foam: An Ultrahigh Electroactive Cathode for Room-Temperature Na-S Batteries. ACS Applied Materials and Interfaces, 9 (29), 24446-24450.

Journal title

ACS Applied Materials and Interfaces

Volume

9

Issue

29

Pagination

24446-24450

Language

English

RIS ID

115635

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