ACS applied materials & interfaces, volume 13, issue 9, pages 11018-11025

Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance

Yanjun Xu 1
Shengzhao Zhang 1
Taibo Liang 2
Zhujun Yao 1
Xiuli Wang 1
Changdong Gu 1
Yang Xia 1
Jiangping Tu 1
Publication typeJournal Article
Publication date2021-02-25
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
The growing demand for safer lithium-ion batteries draws researchers' attention to solid-state electrolytes. In general, a desired electrolyte should be flexible, mechanically strong, and with high ionic conductivity. A solid-state electrolyte with a polymer as a matrix seems to be able to meet these demands. However, a pure polymer electrolyte lacks sufficient strength to suppress Li dendrites, and hybrids with ceramic components often lead to poor flexibility, both far from satisfactory. Herein, a solid-state electrolyte is designed by employing a mass-produced porous polyamide (PA) film infiltrated with polyethylene oxide (PEO)/lithium bis(trifluoromethanesulfonyl)imide (LiTFSI). The PA/PEO/LiTFSI electrolyte is flexible but robust with a Young's modulus of up to 1030 MPa, ensuring steady Li//Li cycling without short circuit for more than 400 h. Also, the porous structure of the PA film decreases the crystalline regions and effectively enhances the ionic conductivity (2.05 × 10-4 S cm-1 at 30 °C). When cycled at 1C, solid-state LiFePO4//Li batteries assembled with the PA/PEO/LiTFSI electrolyte retain 82% capacity after 300 cycles (60 °C). In addition, a flexible LiFePO4//PA/PEO/LiTFSI//Li pouch cell can also work well in harsh operating environments, such as being folded, crimped, and pierced.

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Xu Y. et al. Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance // ACS applied materials & interfaces. 2021. Vol. 13. No. 9. pp. 11018-11025.
GOST all authors (up to 50) Copy
Xu Y., Zhang S., Liang T., Yao Z., Wang X., Gu C., Xia Y., Tu J. Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance // ACS applied materials & interfaces. 2021. Vol. 13. No. 9. pp. 11018-11025.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.1c00084
UR - https://doi.org/10.1021/acsami.1c00084
TI - Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance
T2 - ACS applied materials & interfaces
AU - Xu, Yanjun
AU - Zhang, Shengzhao
AU - Liang, Taibo
AU - Yao, Zhujun
AU - Gu, Changdong
AU - Tu, Jiangping
AU - Wang, Xiuli
AU - Xia, Yang
PY - 2021
DA - 2021/02/25 00:00:00
PB - American Chemical Society (ACS)
SP - 11018-11025
IS - 9
VL - 13
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Xu,
author = {Yanjun Xu and Shengzhao Zhang and Taibo Liang and Zhujun Yao and Changdong Gu and Jiangping Tu and Xiuli Wang and Yang Xia},
title = {Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance},
journal = {ACS applied materials & interfaces},
year = {2021},
volume = {13},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/acsami.1c00084},
number = {9},
pages = {11018--11025},
doi = {10.1021/acsami.1c00084}
}
MLA
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MLA Copy
Xu, Yanjun, et al. “Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance.” ACS applied materials & interfaces, vol. 13, no. 9, Feb. 2021, pp. 11018-11025. https://doi.org/10.1021/acsami.1c00084.
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