ACS applied materials & interfaces, volume 12, issue 47, pages 52652-52659

3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries

Wu Mengjun 1
Dan Liu 2, 3
Deyu Qu 2
Zhizhong Xie 2
Junsheng Li 2
Jiaheng Lei 2
Haolin Tang 1, 3
Publication typeJournal Article
Publication date2020-11-10
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
Composite polymer electrolytes (CPEs) are very promising for high-energy lithium-metal batteries as they combine the advantages of polymeric and ceramic electrolytes. The dimensions and morphologies of active ceramic fillers play critical roles in determining the electrochemical and mechanical performances of CPEs. Herein, a coral-like LLZO (Li6.4La3Zr2Al0.2O12) is designed and used as a 3D active nanofiller in a poly(vinylidene difluoride) polymer matrix. Building 3D interconnected frameworks endows the as-made CPE membranes with an enhanced ionic conductivity (1.51 × 10-4 S cm-1) at room temperature and an enlarged tensile strength up to 5.9 MPa. As a consequence, the flexible 3D-architectured CPE enables a steady lithium plating/stripping cycling over 200 h without a short circuit. Moreover, the assembled solid-state Li|LiFePO4 cells using the electrolyte exhibit decent cycling performance (95.2% capacity retention after 200 cycles at 1 C) and excellent rate capability (120 mA h g-1 at 3 C). These results demonstrate the superiority of 3D interconnected garnet frameworks in developing CPEs with excellent electrochemical and mechanical properties.

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Mengjun W. et al. 3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries // ACS applied materials & interfaces. 2020. Vol. 12. No. 47. pp. 52652-52659.
GOST all authors (up to 50) Copy
Mengjun W., Liu D., Qu D., Xie Z., Li J., Lei J., Tang H. 3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries // ACS applied materials & interfaces. 2020. Vol. 12. No. 47. pp. 52652-52659.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.0c15004
UR - https://doi.org/10.1021/acsami.0c15004
TI - 3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries
T2 - ACS applied materials & interfaces
AU - Mengjun, Wu
AU - Lei, Jiaheng
AU - Liu, Dan
AU - Qu, Deyu
AU - Li, Junsheng
AU - Xie, Zhizhong
AU - Tang, Haolin
PY - 2020
DA - 2020/11/10 00:00:00
PB - American Chemical Society (ACS)
SP - 52652-52659
IS - 47
VL - 12
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2020_Mengjun,
author = {Wu Mengjun and Jiaheng Lei and Dan Liu and Deyu Qu and Junsheng Li and Zhizhong Xie and Haolin Tang},
title = {3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries},
journal = {ACS applied materials & interfaces},
year = {2020},
volume = {12},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acsami.0c15004},
number = {47},
pages = {52652--52659},
doi = {10.1021/acsami.0c15004}
}
MLA
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MLA Copy
Mengjun, Wu, et al. “3D Coral-like LLZO/PVDF Composite Electrolytes with Enhanced Ionic Conductivity and Mechanical Flexibility for Solid-State Lithium Batteries.” ACS applied materials & interfaces, vol. 12, no. 47, Nov. 2020, pp. 52652-52659. https://doi.org/10.1021/acsami.0c15004.
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