A textile-based SnO<inf>2</inf>ultra-flexible electrode for lithium-ion batteries.

Min, X., Sun, B., Chen, S., Fang, M., Wu, X., Liu, Y., Abdelkader, A.M., Huang, Z., Liu, T., Xi, K. and Vasant Kumar, R., 2018. A textile-based SnO<inf>2</inf>ultra-flexible electrode for lithium-ion batteries. Energy Storage Materials. (In Press)

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DOI: 10.1016/j.ensm.2018.08.002

Abstract

© 2018 The advancements in wearable electronic devices make it urgent to develop high-performance flexible lithium-ion batteries (LIBs) with excellent mechanical and electrochemical properties. Herein, we design a new 3D hierarchical hybrid sandwich flexible structure by anchoring SnO2nanosheets (SnO2-NSs) on flexible carbon cloth and coating with thin amorphous carbon (AC) layer (CF@SnO2-NS@AC). The carbon cloth substrate works as the backbone and the current collector, while the thin AC layer provides extra support during the electrode expansion. The new architecture can be utilised as a binder-free electrode and presents extraordinary mechanical flexibility and outstanding electrical stability under external stresses. The new electrode can deliver a specific capacity as high as 968.6 mA h g−1after 100 cycles at 85 mA g−1, which also shows remarkable rate capability and an excellent high current cycling stability. The outstanding electrochemical performances combined with the high mechanical flexibility and invariable electrical conductivity during/after different bending cycles make the new structure a promising oxide anode for flexible batteries. With the possibility of using a similar approach to design flexible cathode, the present work opens the door to empower the next-generation wearable devices and smart clothes with a robust and reliable battery.

Item Type:Article
ISSN:2405-8297
Uncontrolled Keywords:Wearable devices; Flexible lithium-ion batteries; Tin dioxide; 3D hierarchical structure; Nanosheet; Textile anode
Group:Faculty of Science & Technology
ID Code:31167
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:28 Aug 2018 15:26
Last Modified:28 Aug 2018 15:26

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