Energy Storage Materials, volume 25, pages 145-153

Free-standing sulfide/polymer composite solid electrolyte membranes with high conductance for all-solid-state lithium batteries

Yibo Zhang
Yibo Zhang 1
Rujun Chen
Rujun Chen 1
Shuo Wang 1
Ting Liu 1
Bingqing Xu
Bingqing Xu 1
Xue Zhang 1
Xue Zhang
Xin-Zhi Wang 1
Xinzhi Wang
Yang Shen
Yang Shen 1
Yuan Hua Lin
Yuanhua Lin 1
Ming Li 1
Li-Zhen Fan
Li-Zhen Fan 2
Liangliang Li 1
Ce-Wen Nan
Publication typeJournal Article
Publication date2020-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor20.4
ISSN24058297, 24058297
General Materials Science
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
Bulk-type all-solid-state lithium batteries (ASSLBs) with high theoretical capacity and good safety are considered to be promising candidates as future energy storage devices. The ASSLBs with inorganic electrolytes usually have a thick electrolyte layer (more than 1 mm), which significantly reduces the cell-based energy density; therefore, a free-standing high-conductance electrolyte layer with a low thickness is essential for high-performance ASSLBs. In this work, we prepare free-standing 78Li2S–22P2S5 glass-ceramic (7822gc) composite solid electrolyte membranes reinforced with polymer electrolytes with a thickness of 120 μm through a liquid-phase method and systematically investigate the effects of solvents and polymer electrolytes on the microstructure and electrochemical properties of the 7822gc/polymer composite membranes. The sulfide/PEO and sulfide/PVDF composite electrolytes without lithium salt show an ionic conductivity of 2–4 × 10−4 S cm−1 at room temperature, while the conductivity of those with lithium salt is enhanced to 4–7 × 10−4 S cm−1. With such a high conductivity and low thickness, an ultra-high areal conductance of 59.0 mS cm−2 is obtained for the composite electrolyte membranes, which is ~2.7 times of that of pure 7822gc electrolyte pellets. All-solid-state lithium-sulfur batteries (ASSLSBs) with a sulfur/carbon nanotube composite cathode and a Li–In alloy anode are prepared. The cell-based energy density is as high as 87.0 Ah L−1. A discharge capacity of 725.1 mA h g−1 at 0.176 mA cm−2 after 100 cycles and a high capacity retention of 93.2% are achieved for the cells with 7822gc/polymer composite electrolyte membranes.

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GOST Copy
Zhang Y. et al. Free-standing sulfide/polymer composite solid electrolyte membranes with high conductance for all-solid-state lithium batteries // Energy Storage Materials. 2020. Vol. 25. pp. 145-153.
GOST all authors (up to 50) Copy
Zhang Y., Zhang Y., Chen R., Chen R., Wang S., Liu T., Xu B., Xu B., Zhang X., Zhang X., Wang X., Wang X., Shen Y., Shen Y., Lin Y., Lin Y. H., Li M., Fan L., Fan L., Li L., Nan C., Nan C. W. Free-standing sulfide/polymer composite solid electrolyte membranes with high conductance for all-solid-state lithium batteries // Energy Storage Materials. 2020. Vol. 25. pp. 145-153.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ensm.2019.10.020
UR - https://doi.org/10.1016/j.ensm.2019.10.020
TI - Free-standing sulfide/polymer composite solid electrolyte membranes with high conductance for all-solid-state lithium batteries
T2 - Energy Storage Materials
AU - Zhang, Yibo
AU - Chen, Rujun
AU - Wang, Shuo
AU - Liu, Ting
AU - Xu, Bingqing
AU - Zhang, Xue
AU - Wang, Xinzhi
AU - Shen, Yang
AU - Lin, Yuan Hua
AU - Li, Ming
AU - Fan, Li-Zhen
AU - Li, Liangliang
AU - Nan, Ce-Wen
AU - Zhang, Yibo
AU - Chen, Rujun
AU - Xu, Bingqing
AU - Zhang, Xue
AU - Wang, Xin-Zhi
AU - Shen, Yang
AU - Lin, Yuanhua
AU - Fan, Li-Zhen
AU - Nan, Ce Wen
PY - 2020
DA - 2020/03/01 00:00:00
PB - Elsevier
SP - 145-153
VL - 25
SN - 2405-8297
SN - 2405-8297
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Zhang,
author = {Yibo Zhang and Rujun Chen and Shuo Wang and Ting Liu and Bingqing Xu and Xue Zhang and Xinzhi Wang and Yang Shen and Yuan Hua Lin and Ming Li and Li-Zhen Fan and Liangliang Li and Ce-Wen Nan and Yibo Zhang and Rujun Chen and Bingqing Xu and Xue Zhang and Xin-Zhi Wang and Yang Shen and Yuanhua Lin and Li-Zhen Fan and Ce Wen Nan},
title = {Free-standing sulfide/polymer composite solid electrolyte membranes with high conductance for all-solid-state lithium batteries},
journal = {Energy Storage Materials},
year = {2020},
volume = {25},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.ensm.2019.10.020},
pages = {145--153},
doi = {10.1016/j.ensm.2019.10.020}
}
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