Nano Letters, volume 16, issue 1, pages 459-465

High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide)

Publication typeJournal Article
Publication date2015-12-01
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
High ionic conductivity solid polymer electrolyte (SPE) has long been desired for the next generation high energy and safe rechargeable lithium batteries. Among all of the SPEs, composite polymer electrolyte (CPE) with ceramic fillers has garnered great interest due to the enhancement of ionic conductivity. However, the high degree of polymer crystallinity, agglomeration of ceramic fillers, and weak polymer-ceramic interaction limit the further improvement of ionic conductivity. Different from the existing methods of blending preformed ceramic particles with polymers, here we introduce an in situ synthesis of ceramic filler particles in polymer electrolyte. Much stronger chemical/mechanical interactions between monodispersed 12 nm diameter SiO2 nanospheres and poly(ethylene oxide) (PEO) chains were produced by in situ hydrolysis, which significantly suppresses the crystallization of PEO and thus facilitates polymer segmental motion for ionic conduction. In addition, an improved degree of LiClO4 dissociation can also be achieved. All of these lead to good ionic conductivity (1.2 × 10(-3) S cm(-1) at 60 °C, 4.4 × 10(-5) S cm(-1) at 30 °C). At the same time, largely extended electrochemical stability window up to 5.5 V can be observed. We further demonstrated all-solid-state lithium batteries showing excellent rate capability as well as good cycling performance.

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GOST |
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GOST Copy
Liu W. et al. High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide) // Nano Letters. 2015. Vol. 16. No. 1. pp. 459-465.
GOST all authors (up to 50) Copy
Liu W., Liu Y., Lee H. R., Hsu P. C., Liu K., Cui Y. High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide) // Nano Letters. 2015. Vol. 16. No. 1. pp. 459-465.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.nanolett.5b04117
UR - https://doi.org/10.1021/acs.nanolett.5b04117
TI - High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide)
T2 - Nano Letters
AU - Cui, Yi
AU - Liu, Wei
AU - Liu, Yayuan
AU - Lee, Hye Ryoung
AU - Hsu, Po Chun
AU - Liu, Kai
PY - 2015
DA - 2015/12/01 00:00:00
PB - American Chemical Society (ACS)
SP - 459-465
IS - 1
VL - 16
SN - 1530-6984
SN - 1530-6992
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Liu,
author = {Yi Cui and Wei Liu and Yayuan Liu and Hye Ryoung Lee and Po Chun Hsu and Kai Liu},
title = {High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide)},
journal = {Nano Letters},
year = {2015},
volume = {16},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/acs.nanolett.5b04117},
number = {1},
pages = {459--465},
doi = {10.1021/acs.nanolett.5b04117}
}
MLA
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MLA Copy
Liu, Wei, et al. “High Ionic Conductivity of Composite Solid Polymer Electrolyte via In Situ Synthesis of Monodispersed SiO2 Nanospheres in Poly(ethylene oxide).” Nano Letters, vol. 16, no. 1, Dec. 2015, pp. 459-465. https://doi.org/10.1021/acs.nanolett.5b04117.
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