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https://hdl.handle.net/2440/134424
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Type: | Journal article |
Title: | Topological design of ultrastrong MXene paper hosted Li enables ultrathin and fully flexible lithium metal batteries |
Author: | Wang, C.Y. Zheng, Z.J. Feng, Y.Q. Ye, H. Cao, F.F. Guo, Z.P. |
Citation: | Nano Energy, 2020; 74:104817-1-104817-8 |
Publisher: | Elsevier |
Issue Date: | 2020 |
ISSN: | 2211-2855 2211-3282 |
Statement of Responsibility: | Cao-Yu Wang, Zi-Jian Zheng, Yong-Qiang Feng, Huan Ye, Fei-Fei Cao, Zai-Ping Guo |
Abstract: | Ultrathin Li metal anode with a thickness of <30 micrometers in combination with state-of-art cathodes could promise high-energy lithium metal batteries (LMBs). Here, we report a facile spin steaming technology to design the topological structures of Ti3C2Tx MXene film as Li host by mixing a trace of cellulose nanofiber (CNF). The interlocked topological microstructure between MXene sheets and microspheres-forming assisted by CNF contributes greatly to enhanced mechanical strength and flexibility of the resultant MXene@CNF film. More importantly, the MXene sheets with abundant Li nucleation sites shows a desirable affinity for Li. As a result, a flexible, ultrathin (~25 micrometers), and self-supporting MXene@CNF/Li composite anode without rampant Li dendrites, and with favourable cycling stability with high real capacity of Li is realized. The as-obtained hybrid Li anode matches with flexible self-supporting LiFePO4/cellulose nanofiber (LFP@CNF) cathodes to construct fully flexible LMBs with high specific capacity and outstanding stability. |
Keywords: | Flexible devices; Lithium metal batteries; Lithium metal anodes; Topological structure; Ti3C2Tx MXene |
Rights: | © 2020 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.nanoen.2020.104817 |
Grant ID: | http://purl.org/au-research/grants/arc/DE200101103 |
Published version: | http://dx.doi.org/10.1016/j.nanoen.2020.104817 |
Appears in Collections: | Chemical Engineering publications |
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