ACS applied materials & interfaces, volume 10, issue 39, pages 33296-33306

Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte

Publication typeJournal Article
Publication date2018-09-10
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
The high Li-ion conductivity of the argyrodite Li6PS5Cl makes it a promising solid electrolyte candidate for all-solid-state Li-ion batteries. For future application, it is essential to identify facile synthesis procedures and to relate the synthesis conditions to the solid electrolyte material performance. Here, a simple optimized synthesis route is investigated that avoids intensive ball milling by direct annealing of the mixed precursors at 550 °C for 10 h, resulting in argyrodite Li6PS5Cl with a high Li-ion conductivity of up to 4.96 × 10-3 S cm-1 at 26.2 °C. Both the temperature-dependent alternating current impedance conductivities and solid-state NMR spin-lattice relaxation rates demonstrate that the Li6PS5Cl prepared under these conditions results in a higher conductivity and Li-ion mobility compared to materials prepared by the traditional mechanical milling route. The origin of the improved conductivity appears to be a combination of the optimal local Cl structure and its homogeneous distribution in the material. All-solid-state cells consisting of an 80Li2S-20LiI cathode, the optimized Li6PS5Cl electrolyte, and an In anode showed a relatively good electrochemical performance with an initial discharge capacity of 662.6 mAh g-1 when a current density of 0.13 mA cm-2 was used, corresponding to a C-rate of approximately C/20. On direct comparison with a solid-state battery using a solid electrolyte prepared by the mechanical milling route, the battery made with the new material exhibits a higher initial discharge capacity and Coulombic efficiency at a higher current density with better cycling stability. Nevertheless, the cycling stability is limited by the electrolyte stability, which is a major concern for these types of solid-state batteries.

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Yu C. et al. Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte // ACS applied materials & interfaces. 2018. Vol. 10. No. 39. pp. 33296-33306.
GOST all authors (up to 50) Copy
Yu C., Ganapathy S., Hageman J., van Eijck L., van Eck E. R. H., Zhang L., Schwietert T., Basak S., Kelder E. M., Wagemaker M. Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte // ACS applied materials & interfaces. 2018. Vol. 10. No. 39. pp. 33296-33306.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.8b07476
UR - https://doi.org/10.1021/acsami.8b07476
TI - Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte
T2 - ACS applied materials & interfaces
AU - Hageman, Jart
AU - van Eck, Ernst R. H.
AU - Schwietert, Tammo
AU - Kelder, Erik M.
AU - Zhang, Long
AU - Wagemaker, M.
AU - Yu, Chuang
AU - Ganapathy, Swapna
AU - van Eijck, Lambert
AU - Basak, Shibabrata
PY - 2018
DA - 2018/09/10 00:00:00
PB - American Chemical Society (ACS)
SP - 33296-33306
IS - 39
VL - 10
PMID - 30199216
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
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BibTex Copy
@article{2018_Yu,
author = {Jart Hageman and Ernst R. H. van Eck and Tammo Schwietert and Erik M. Kelder and Long Zhang and M. Wagemaker and Chuang Yu and Swapna Ganapathy and Lambert van Eijck and Shibabrata Basak},
title = {Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte},
journal = {ACS applied materials & interfaces},
year = {2018},
volume = {10},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/acsami.8b07476},
number = {39},
pages = {33296--33306},
doi = {10.1021/acsami.8b07476}
}
MLA
Cite this
MLA Copy
Yu., Chuang, et al. “Facile Synthesis toward the Optimal Structure-Conductivity Characteristics of the Argyrodite Li6PS5Cl Solid-State Electrolyte.” ACS applied materials & interfaces, vol. 10, no. 39, Sep. 2018, pp. 33296-33306. https://doi.org/10.1021/acsami.8b07476.
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