ACS applied materials & interfaces, volume 11, issue 25, pages 22745-22753

Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery

Xue Li
Donghao Wang
Hongchun Wang
Hefeng Yan
Zhengliang Gong
Publication typeJournal Article
Publication date2019-06-03
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
Composite polymer electrolyte membranes are fabricated by the incorporation of Li10SnP2S12 into the poly(ethylene oxide) (PEO) matrix using a solution-casting method. The incorporation of Li10SnP2S12 plays a positive role on Li-ionic conductivity, mechanical property, and interfacial stability of the composite electrolyte and thus significantly enhances the electrochemical performance of the solid-state Li-S battery. The optimal PEO-1%Li10SnP2S12 electrolyte presents a maximum ionic conductivity of 1.69 × 10-4 S cm-1 at 50 °C and the highest mechanical strength. The possible mechanism for the enhanced electrochemical performance and mechanical property is analyzed. The uniform distribution of Li10SnP2S12 in the PEO matrix inhibits crystallization and weakens the interactions among the PEO chains. The PEO-1%Li10SnP2S12 electrolyte exhibits lower interfacial resistance and higher interfacial stability with the lithium anode than the pure PEO/LiTFSI electrolyte. The Li-S cell comprising the PEO-1%Li10SnP2S12 electrolyte exhibits outstanding electrochemical performance with a high discharge capacity (ca. 1000 mA h g-1), high Coulombic efficiency, and good cycling stability at 60 °C. Most importantly, the PEO-1%Li10SnP2S12-based cell possesses attractive performance with a high specific capacity (ca. 800 mA h g-1) and good cycling stability even at 50 °C, whereas the PEO/LiTFSI-based cell cannot be successfully discharged because of the low ionic conductivity and high interfacial resistance of the PEO/LiTFSI electrolyte.

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Li X. et al. Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery // ACS applied materials & interfaces. 2019. Vol. 11. No. 25. pp. 22745-22753.
GOST all authors (up to 50) Copy
Li X., Wang D., Wang H., Yan H., Gong Z., Yang Y. Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery // ACS applied materials & interfaces. 2019. Vol. 11. No. 25. pp. 22745-22753.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.9b05212
UR - https://doi.org/10.1021/acsami.9b05212
TI - Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery
T2 - ACS applied materials & interfaces
AU - Wang, Donghao
AU - Wang, Hongchun
AU - Yan, Hefeng
AU - Gong, Zhengliang
AU - Li, Xue
AU - Yang, Yong
PY - 2019
DA - 2019/06/03 00:00:00
PB - American Chemical Society (ACS)
SP - 22745-22753
IS - 25
VL - 11
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Li,
author = {Donghao Wang and Hongchun Wang and Hefeng Yan and Zhengliang Gong and Xue Li and Yong Yang},
title = {Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery},
journal = {ACS applied materials & interfaces},
year = {2019},
volume = {11},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/acsami.9b05212},
number = {25},
pages = {22745--22753},
doi = {10.1021/acsami.9b05212}
}
MLA
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MLA Copy
Li, Xue, et al. “Poly(ethylene oxide)–Li10SnP2S12 Composite Polymer Electrolyte Enables High-Performance All-Solid-State Lithium Sulfur Battery.” ACS applied materials & interfaces, vol. 11, no. 25, Jun. 2019, pp. 22745-22753. https://doi.org/10.1021/acsami.9b05212.
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