Nature Nanotechnology, volume 14, issue 7, pages 705-711

Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries

Jiayu Wan 1
Jin Xie 1, 2
Xian-He Kong 3
Z. Liu 4
Kai Liu 1
Feifei Shi 1
Allen Pei 1
Hao Chen 1
Wei Chen 1
Jun Chen 1
Xiaokun Zhang 1
Linqi Zong 1
Jiangyan Wang 1
Long-Qing Chen 4
Jian Qin 3
Yi Cui 1, 5
Publication typeJournal Article
Publication date2019-05-27
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor38.3
ISSN17483387, 17483395
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
General Materials Science
Electrical and Electronic Engineering
Bioengineering
Biomedical Engineering
Abstract
The urgent need for safer batteries is leading research to all-solid-state lithium-based cells. To achieve energy density comparable to liquid electrolyte-based cells, ultrathin and lightweight solid electrolytes with high ionic conductivity are desired. However, solid electrolytes with comparable thicknesses to commercial polymer electrolyte separators (~10 μm) used in liquid electrolytes remain challenging to make because of the increased risk of short-circuiting the battery. Here, we report on a polymer–polymer solid-state electrolyte design, demonstrated with an 8.6-μm-thick nanoporous polyimide (PI) film filled with polyethylene oxide/lithium bis(trifluoromethanesulfonyl)imide (PEO/LiTFSI) that can be used as a safe solid polymer electrolyte. The PI film is nonflammable and mechanically strong, preventing batteries from short-circuiting even after more than 1,000 h of cycling, and the vertical channels enhance the ionic conductivity (2.3 × 10−4 S cm−1 at 30 °C) of the infused polymer electrolyte. All-solid-state lithium-ion batteries fabricated with PI/PEO/LiTFSI solid electrolyte show good cycling performance (200 cycles at C/2 rate) at 60 °C and withstand abuse tests such as bending, cutting and nail penetration. A nanoporous polyimide film filled with a solid polymer electrolyte has high ionic conductivity and high mechanical strength. An all-solid-state battery made with an approximately 10-μm-thick film shows good cyclability at 60 °C and no dendrite formation.

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GOST Copy
Wan J. et al. Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries // Nature Nanotechnology. 2019. Vol. 14. No. 7. pp. 705-711.
GOST all authors (up to 50) Copy
Wan J., Xie J., Kong X., Liu Z., Liu K., Shi F., Pei A., Chen H., Chen W., Chen J., Zhang X., Zong L., Wang J., Chen L., Qin J., Cui Y. Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries // Nature Nanotechnology. 2019. Vol. 14. No. 7. pp. 705-711.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41565-019-0465-3
UR - https://www.nature.com/articles/s41565-019-0465-3
TI - Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries
T2 - Nature Nanotechnology
AU - Wan, Jiayu
AU - Xie, Jin
AU - Kong, Xian-He
AU - Liu, Z.
AU - Liu, Kai
AU - Shi, Feifei
AU - Pei, Allen
AU - Chen, Hao
AU - Chen, Wei
AU - Chen, Jun
AU - Zhang, Xiaokun
AU - Zong, Linqi
AU - Wang, Jiangyan
AU - Chen, Long-Qing
AU - Qin, Jian
AU - Cui, Yi
PY - 2019
DA - 2019/05/27 00:00:00
PB - Springer Nature
SP - 705-711
IS - 7
VL - 14
SN - 1748-3387
SN - 1748-3395
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Wan,
author = {Jiayu Wan and Jin Xie and Xian-He Kong and Z. Liu and Kai Liu and Feifei Shi and Allen Pei and Hao Chen and Wei Chen and Jun Chen and Xiaokun Zhang and Linqi Zong and Jiangyan Wang and Long-Qing Chen and Jian Qin and Yi Cui},
title = {Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries},
journal = {Nature Nanotechnology},
year = {2019},
volume = {14},
publisher = {Springer Nature},
month = {may},
url = {https://www.nature.com/articles/s41565-019-0465-3},
number = {7},
pages = {705--711},
doi = {10.1038/s41565-019-0465-3}
}
MLA
Cite this
MLA Copy
Wan, Jiayu, et al. “Ultrathin, flexible, solid polymer composite electrolyte enabled with aligned nanoporous host for lithium batteries.” Nature Nanotechnology, vol. 14, no. 7, May. 2019, pp. 705-711. https://www.nature.com/articles/s41565-019-0465-3.
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