Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/80261
Title: Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium
Authors: Chang, J 
Shang, J 
Sun, YM
Ono, LK
Wang, DR 
Ma, ZJ 
Huang, QY 
Chen, DD 
Liu, GQ 
Cui, Y
Qi, YB
Zheng, ZJ 
Issue Date: 2018
Publisher: Nature Publishing Group
Source: Nature communications, Oct. 2018, v. 9, 4480, p. 1-11 How to cite?
Journal: Nature communicationsonline only 
Abstract: Lightweight and flexible energy storage devices are urgently needed to persistently power wearable devices, and lithium-sulfur batteries are promising technologies due to their low mass densities and high theoretical capacities. Here we report a flexible and high-energy lithium-sulfur full battery device with only 100% oversized lithium, enabled by rationally designed copper-coated and nickel-coated carbon fabrics as excellent hosts for lithium and sulfur, respectively. These metallic carbon fabrics endow mechanical flexibility, reduce local current density of the electrodes, and, more importantly, significantly stabilize the electrode materials to reach remarkable Coulombic efficiency of >99.89% for a lithium anode and >99.82% for a sulfur cathode over 400 half-cell charge-discharge cycles. Consequently, the assembled lithium-sulfur full battery provides high areal capacity (3 mA h cm(-2)), high cell energy density (288 W h kg(-1) and 360 W h L-1), excellent cycling stability (260 cycles), and remarkable bending stability at a small radius of curvature (<1 mm).
URI: http://hdl.handle.net/10397/80261
EISSN: 2041-1723
DOI: 10.1038/s41467-018-06879-7
Rights: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
© The Author(s) 2018
The following publication Chang, J., Shang, J., Sun, Y.M., Ono, L.K., Wang, D.R., Ma, Z.J., ... & Zheng, Z.J. (2018). Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium. Nature communications, 9, 4480, 1-11 is available at https://dx.doi.org/10.1038/s41467-018-06879-7
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