Nano Letters, volume 17, issue 5, pages 3182-3187

A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries

Publication typeJournal Article
Publication date2017-04-24
Journal: Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor10.8
ISSN15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
Replacing flammable organic liquid electrolytes with solid Li-ion conductors is a promising approach to realize safe rechargeable batteries with high energy density. Composite solid electrolytes, which are comprised of a polymer matrix with ceramic Li-ion conductors dispersed inside, are attractive, since they combine the flexibility of polymer electrolytes and high ionic conductivities of ceramic electrolytes. However, the high conductivity of ceramic fillers is largely compromised by the low conductivity of the matrix, especially when nanoparticles (NPs) are used. Therefore, optimizations of the geometry of ceramic fillers are critical to further enhance the conductivity of composite electrolytes. Here we report the vertically aligned and connected Li1+xAlxTi2-x(PO4)3 (LATP) NPs in the poly(ethylene oxide) (PEO) matrix to maximize the ionic conduction, while maintaining the flexibility of the composite. This vertically aligned structure can be fabricated by an ice-templating-based method, and its conductivity reaches 0.52 × 10-4 S/cm, which is 3.6 times that of the composite electrolyte with randomly dispersed LATP NPs. The composite electrolyte also shows enhanced thermal and electrochemical stability compared to the pure PEO electrolyte. This method opens a new approach to optimize ion conduction in composite solid electrolytes for next-generation rechargeable batteries.

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GOST |
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GOST Copy
Zhai H. et al. A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries // Nano Letters. 2017. Vol. 17. No. 5. pp. 3182-3187.
GOST all authors (up to 50) Copy
Zhai H., Xu P., Ning M., Cheng Q., Mandal J., Yang Y. A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries // Nano Letters. 2017. Vol. 17. No. 5. pp. 3182-3187.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.nanolett.7b00715
UR - https://doi.org/10.1021/acs.nanolett.7b00715
TI - A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries
T2 - Nano Letters
AU - Xu, Pengyu
AU - Ning, Mingqiang
AU - Zhai, H
AU - Cheng, Qian
AU - Mandal, Jyotirmoy
AU - Yang, Yuan
PY - 2017
DA - 2017/04/24 00:00:00
PB - American Chemical Society (ACS)
SP - 3182-3187
IS - 5
VL - 17
SN - 1530-6984
SN - 1530-6992
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Zhai,
author = {Pengyu Xu and Mingqiang Ning and H Zhai and Qian Cheng and Jyotirmoy Mandal and Yuan Yang},
title = {A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries},
journal = {Nano Letters},
year = {2017},
volume = {17},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/acs.nanolett.7b00715},
number = {5},
pages = {3182--3187},
doi = {10.1021/acs.nanolett.7b00715}
}
MLA
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MLA Copy
Zhai, H., et al. “A Flexible Solid Composite Electrolyte with Vertically Aligned and Connected Ion-Conducting Nanoparticles for Lithium Batteries.” Nano Letters, vol. 17, no. 5, Apr. 2017, pp. 3182-3187. https://doi.org/10.1021/acs.nanolett.7b00715.
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