University of Wollongong
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Continuous carbon nanotube composite fibers for flexible aqueous lithium-ion batteries

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posted on 2024-11-16, 05:29 authored by Tao Zhang, Shuaishuai Han, Wenlei Guo, Feng Hou, Jiachen Liu, Xiao Yan, Shunquan Chen, Ji Liang
Continuous composite fibers have been obtained by online modifying the direct-spun carbon nanotube (CNT) fibers with active materials (LiFePO 4 or LiTi 2 PO 4 ) through dipping and twisting. The composite fibers exhibit high specific capacity and good rate performance for an aqueous lithium-ion battery with 1 M Li 2 SO 4 electrolyte, due to the fast electron transport arising from the close contact between the active materials and CNTs. A flexible fiber-shaped aqueous lithium-ion battery fabricated from the composites can deliver a high specific capacity of 29.1 mAh g −1 at a current density of 0.25 A g −1 and a high energy density of 30.12 Wh kg −1 , showing the great potential of the composite fibers for applications in flexible energy storage devices.

Funding

Carbon-based catalysts for polysulphide redox reactions in lithium-sulfur batteries

Australian Research Council

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Citation

Zhang, T., Han, S., Guo, W., Hou, F., Liu, J., Yan, X., Chen, S. & Liang, J. (2019). Continuous carbon nanotube composite fibers for flexible aqueous lithium-ion batteries. Sustainable Materials and Technologies, 20 (17), e00096-1-e00096-6.

Journal title

Sustainable Materials and Technologies

Volume

20

Language

English

RIS ID

133838

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