Energy Storage Materials, volume 31, pages 267-273

Interfacial redox behaviors of sulfide electrolytes in fast-charging all-solid-state lithium metal batteries

Gao-Long Zhu 1, 2
Chen-Zi Zhao 3
Hong Yuan 4
Bo Chen Zhao 3
Boquan Li 3
Xin-Bing Cheng 3
Hao Xiong Nan 1, 5
Yang Lu 3
Jian Zhang 6
Jia-Qi Huang 4
Quan Bing Liu 7
Chuan Xin He 2
Qiang Zhang 3
Publication typeJournal Article
Publication date2020-10-01
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
Sulfide solid electrolytes offer great opportunities to construct solid-state Li metal batteries with high energy density. The high ionic conductivity of well-developed sulfide electrolytes enables solid-state battery to operate at high current rates. However, sulfide electrolytes exhibit severe decomposition in working cells, constituting a significant obstacle for the practical applications of sulfide solid-state electrolytes. The decomposition behaviors of sulfides are complicated and strongly depend on the electrochemical windows, some of which are even regarded reversible during battery cycling. Herein, we investigate the redox behaviors of Li7P3S11 sulfide solid electrolyte under different voltage windows, and their effects on interfacial transport and battery cycle lifetime. Moreover, Li metal | Li4Ti5O12 (LTO) batteries are introduced to further probe the role of multiphase redox reactions on interfacial ion conduction. By regulating the redox behaviors of electrolytes through varying working voltage window, Li | LTO metal batteries enable a rapid charge/discharge process in 10 ​min (6 ​C) and lifespan of 600 cycles at 1 ​C with 85% capacity retention. An all-solid-state Li | LTO metal pouch cell is also assembled and exhibits a stable cycling performance with a capacity of 120 mAh g−1. This work provides understandings about interfacial redox behaviors of sulfide electrolyte, presenting novel insights in the rational design of future solid-state lithium batteries with high-energy/power-density.

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GOST Copy
Zhu G. et al. Interfacial redox behaviors of sulfide electrolytes in fast-charging all-solid-state lithium metal batteries // Energy Storage Materials. 2020. Vol. 31. pp. 267-273.
GOST all authors (up to 50) Copy
Zhu G., Zhao C., Yuan H., Zhao B. C., Li B., Cheng X., Nan H. X., Lu Y., Zhang J., Huang J., Liu Q. B., He C. X., Zhang Q. Interfacial redox behaviors of sulfide electrolytes in fast-charging all-solid-state lithium metal batteries // Energy Storage Materials. 2020. Vol. 31. pp. 267-273.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.ensm.2020.05.017
UR - https://doi.org/10.1016/j.ensm.2020.05.017
TI - Interfacial redox behaviors of sulfide electrolytes in fast-charging all-solid-state lithium metal batteries
T2 - Energy Storage Materials
AU - Zhu, Gao-Long
AU - Zhao, Chen-Zi
AU - Yuan, Hong
AU - Zhao, Bo Chen
AU - Li, Boquan
AU - Cheng, Xin-Bing
AU - Nan, Hao Xiong
AU - Lu, Yang
AU - Zhang, Jian
AU - Huang, Jia-Qi
AU - Liu, Quan Bing
AU - He, Chuan Xin
AU - Zhang, Qiang
PY - 2020
DA - 2020/10/01 00:00:00
PB - Elsevier
SP - 267-273
VL - 31
SN - 2405-8297
SN - 2405-8297
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Zhu,
author = {Gao-Long Zhu and Chen-Zi Zhao and Hong Yuan and Bo Chen Zhao and Boquan Li and Xin-Bing Cheng and Hao Xiong Nan and Yang Lu and Jian Zhang and Jia-Qi Huang and Quan Bing Liu and Chuan Xin He and Qiang Zhang},
title = {Interfacial redox behaviors of sulfide electrolytes in fast-charging all-solid-state lithium metal batteries},
journal = {Energy Storage Materials},
year = {2020},
volume = {31},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/j.ensm.2020.05.017},
pages = {267--273},
doi = {10.1016/j.ensm.2020.05.017}
}
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