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eScience, volume 1, issue 2, pages 194-202

Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries

Publication typeJournal Article
Publication date2021-12-05
Journal: eScience
Quartile SCImago
Quartile WOS
Impact factor
ISSN26671417
Abstract
The practical energy density of solid-state batteries remains limited, partly because of the lack of a general method to fabricate thin membranes for solid-state electrolytes with high ionic conductivity and low area-specific resistance (ASR). Herein, we use an ultrahigh concentration of a ceramic ion conductor (Na 3 SbS 4 ) to build an ion-conduction “highway”, and a polymer (polyethylene oxide, 2 ​wt%) as a flexible host to prepare a polymer-in-ceramic ion-conducting membrane of approximately 40 ​μm. Without the use of any salt (e.g., NaPF 6 ), the resulting membrane exhibits a threefold increase in electronic ASR and a twofold decrease in ionic ASR compared with a pure ceramic counterpart. The activation energy for sodium-ion transport is only 190 ​meV in the membrane, similar to that in pure ceramic, suggesting ion transport predominantly occurs through a percolated network of ion-conducting ceramic particles. The salt-free design also provides an opportunity to suppress dendritic metal electrodeposits, according to a recently refined chemomechanical model of metal deposition. Our work suggests that salt is not always necessary in composite solid-state electrolytes, which broadens the choice of polymers to allow the optimization of other desired attributes, such as mechanical strength, chemical/electrochemical stability, and cost. • Hydrostatic hot-pressing to prepare salt-free composite solid-state electrolytes. • X-ray microscopy to establish links between processing, microstructure, and electrochemical performance. • Establishing chemomechanical model as applied to solid-state sodium batteries.

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GOST |
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GOST Copy
Tang B. et al. Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries // eScience. 2021. Vol. 1. No. 2. pp. 194-202.
GOST all authors (up to 50) Copy
Tang B., Tang B., Zhao Y., Wang Z., Wang Z., Chen S., Wu Y., Tseng Y., Li L., Guo Y., Guo Y., Zhou Z., Bo S. Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries // eScience. 2021. Vol. 1. No. 2. pp. 194-202.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.esci.2021.12.001
UR - https://doi.org/10.1016/j.esci.2021.12.001
TI - Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries
T2 - eScience
AU - Tang, Bin
AU - Zhao, Yibo
AU - Wang, Zhiyi
AU - Chen, Shiwei
AU - Wu, Yifan
AU - Tseng, Yuming
AU - Li, Lujiang
AU - Guo, Yunlong
AU - Zhou, Zhen
AU - Bo, Shou-Hang
AU - Tang, Bin
AU - Wang, Zhiyi
AU - Guo, Yunlong
PY - 2021
DA - 2021/12/05 00:00:00
PB - Elsevier
SP - 194-202
IS - 2
VL - 1
SN - 2667-1417
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Tang,
author = {Bin Tang and Yibo Zhao and Zhiyi Wang and Shiwei Chen and Yifan Wu and Yuming Tseng and Lujiang Li and Yunlong Guo and Zhen Zhou and Shou-Hang Bo and Bin Tang and Zhiyi Wang and Yunlong Guo},
title = {Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries},
journal = {eScience},
year = {2021},
volume = {1},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.esci.2021.12.001},
number = {2},
pages = {194--202},
doi = {10.1016/j.esci.2021.12.001}
}
MLA
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MLA Copy
Tang, Bin, et al. “Ultrathin salt-free polymer-in-ceramic electrolyte for solid-state sodium batteries.” eScience, vol. 1, no. 2, Dec. 2021, pp. 194-202. https://doi.org/10.1016/j.esci.2021.12.001.
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