Advanced Energy Materials, volume 11, issue 24, pages 2100654

Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries

Shuo Wang 1, 2
Wenbo Zhang 1
Xiang Chen 3
Dyuman Das 1
Raffael Rueß 1
Ajay Gautam 1
Felix Walther 1
Saneyuki Ohno 1
Raimund Koerver 1
Qiang Zhang 3
WOLFGANG G. ZEIER 4
Felix H. Richter 1
Ce-Wen Nan 2
Publication typeJournal Article
Publication date2021-05-06
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor27.8
ISSN16146832, 16146840
Abstract
Solid electrolytes (SEs) largely define the properties of all‐solid‐state batteries (ASSBs) and are expected to improve their safety, stability, and performance. Their ionic conductivity has much improved in recent years, enabling higher power and energy density. However, more subtle parameters, such as crystallinity, may also influence the electrochemical performance of cells. In this work, the correlation between the performance of ASSBs and thiophosphate SEs having the same stoichiometry, but different crystallinity is investigated. In In/InLi | SE | LiCoO2@ LiNb0.5Ta0.5O3 model cells, better cycling and rate performance is achieved when using glass/glass‐ceramic SEs (e.g., 75Li2S·25P2S5 glass, 70Li2S·30P2S5 glass, and Li6PS5Cl glass‐ceramic). This can be mostly attributed to the mitigation of contact loss by the glass/glass‐ceramic SEs compared to their crystalline SE counterparts. Furthermore, the SE decomposition at typical cathode potentials is investigated by using SE and carbon composites as cathodes. Larger volume changes and more severe decomposition are observed with crystalline SEs in the SE/carbon composite cathode after cycling. The crystalline SEs show higher electronic partial conductivity which results in more degradation in the composite cathode. This work sheds light on optimized composite cathode design for ASSB by carefully choosing solid electrolytes with appropriate mechanical and (electro‐)chemical properties.

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GOST Copy
Wang S. et al. Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries // Advanced Energy Materials. 2021. Vol. 11. No. 24. p. 2100654.
GOST all authors (up to 50) Copy
Wang S., Zhang W., Chen X., Das D., Rueß R., Gautam A., Walther F., Ohno S., Koerver R., Zhang Q., ZEIER W. G., Richter F. H., Nan C., Janek J. Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries // Advanced Energy Materials. 2021. Vol. 11. No. 24. p. 2100654.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/aenm.202100654
UR - https://doi.org/10.1002/aenm.202100654
TI - Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries
T2 - Advanced Energy Materials
AU - Wang, Shuo
AU - Zhang, Wenbo
AU - Chen, Xiang
AU - Das, Dyuman
AU - Rueß, Raffael
AU - Gautam, Ajay
AU - Walther, Felix
AU - Ohno, Saneyuki
AU - Koerver, Raimund
AU - Zhang, Qiang
AU - ZEIER, WOLFGANG G.
AU - Richter, Felix H.
AU - Nan, Ce-Wen
AU - Janek, Jürgen
PY - 2021
DA - 2021/05/06 00:00:00
PB - Wiley
SP - 2100654
IS - 24
VL - 11
SN - 1614-6832
SN - 1614-6840
ER -
BibTex |
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BibTex Copy
@article{2021_Wang,
author = {Shuo Wang and Wenbo Zhang and Xiang Chen and Dyuman Das and Raffael Rueß and Ajay Gautam and Felix Walther and Saneyuki Ohno and Raimund Koerver and Qiang Zhang and WOLFGANG G. ZEIER and Felix H. Richter and Ce-Wen Nan and Jürgen Janek},
title = {Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries},
journal = {Advanced Energy Materials},
year = {2021},
volume = {11},
publisher = {Wiley},
month = {may},
url = {https://doi.org/10.1002/aenm.202100654},
number = {24},
pages = {2100654},
doi = {10.1002/aenm.202100654}
}
MLA
Cite this
MLA Copy
Wang, Shuo, et al. “Influence of Crystallinity of Lithium Thiophosphate Solid Electrolytes on the Performance of Solid‐State Batteries.” Advanced Energy Materials, vol. 11, no. 24, May. 2021, p. 2100654. https://doi.org/10.1002/aenm.202100654.
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