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Title: Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium

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. Furthermore, 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).

Authors:
 [1];  [1];  [2];  [3];  [1];  [1];  [1];  [1];  [1];  [4]; ORCiD logo [3]; ORCiD logo [1]
  1. The Hong Kong Polytechnic Univ., Hong Kong SAR (China)
  2. Stanford Univ., Stanford, CA (United States)
  3. Okinawa Institute of Science and Technology Graduate Univ., Okinawa (Japan)
  4. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1490644
Grant/Contract Number:  
AC02-76SF00515; N_PolyU528/16
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Chang, Jian, Shang, Jian, Sun, Yongming, Ono, Luis K., Wang, Dongrui, Ma, Zhijun, Huang, Qiyao, Chen, Dongdong, Liu, Guoqiang, Cui, Yi, Qi, Yabing, and Zheng, Zijian. Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium. United States: N. p., 2018. Web. doi:10.1038/s41467-018-06879-7.
Chang, Jian, Shang, Jian, Sun, Yongming, Ono, Luis K., Wang, Dongrui, Ma, Zhijun, Huang, Qiyao, Chen, Dongdong, Liu, Guoqiang, Cui, Yi, Qi, Yabing, & Zheng, Zijian. Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium. United States. doi:10.1038/s41467-018-06879-7.
Chang, Jian, Shang, Jian, Sun, Yongming, Ono, Luis K., Wang, Dongrui, Ma, Zhijun, Huang, Qiyao, Chen, Dongdong, Liu, Guoqiang, Cui, Yi, Qi, Yabing, and Zheng, Zijian. Fri . "Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium". United States. doi:10.1038/s41467-018-06879-7.
@article{osti_1490644,
title = {Flexible and stable high-energy lithium-sulfur full batteries with only 100% oversized lithium},
author = {Chang, Jian and Shang, Jian and Sun, Yongming and Ono, Luis K. and Wang, Dongrui and Ma, Zhijun and Huang, Qiyao and Chen, Dongdong and Liu, Guoqiang and Cui, Yi and Qi, Yabing and Zheng, Zijian},
abstractNote = {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. Furthermore, 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).},
doi = {10.1038/s41467-018-06879-7},
journal = {Nature Communications},
issn = {2041-1723},
number = 1,
volume = 9,
place = {United States},
year = {2018},
month = {10}
}

Journal Article:
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