ACS applied materials & interfaces, volume 13, issue 33, pages 39257-39270

Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries

P Röring 2
Tim P Mach 1
Maxi Hoffmann 1
Martin Winter 2, 4
Gunther Brunklaus 2, 4
Publication typeJournal Article
Publication date2021-08-10
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
Herein, we report the design of styrene-based poly(ethylene oxide) (PEO) side-chain block copolymers featuring a microphase separation and their application as solid polymer electrolytes in high-voltage lithium-metal batteries. A straightforward synthesis was established, overcoming typical drawbacks of PEO block copolymers prepared by anionic polymerization or ester-based PEO side-chain copolymers. Both the PEO side-chain length and the LiTFSI content were varied, and the underlying relationships were elucidated in view of polymer compositions with high ionic conductivity. Subsequently, a selected composition was subjected to further analyses, including phase-separated morphology, providing not only excellent self-standing films with intrinsic mechanical stability but also the ability to suppress lithium dendrite growth as well as good flexibility, wettability, and good contacts with the electrodes. Furthermore, good thermal and electrochemical stability was demonstrated. To do so, linear sweep and cyclic voltammetry, lithium plating/stripping tests, and galvanostatic overcharging using high-voltage cathodes were conducted, demonstrating stable lithium-metal interfaces and a high oxidative stability of around 4.75 V. Consequently, cycling of Li||NMC622 cells did not exhibit commonly observed rapid cell failure or voltage noise associated with PEO-based electrolytes in Li||NMC622 cells, attributed to the high mechanical stability. A comprehensive view is provided, highlighting that the combination of PEO and high-voltage cathodes is not impossible per se.

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Butzelaar A. J. et al. Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries // ACS applied materials & interfaces. 2021. Vol. 13. No. 33. pp. 39257-39270.
GOST all authors (up to 50) Copy
Butzelaar A. J., Röring P., Mach T. P., Hoffmann M., Jeschull F., Wilhelm M., Winter M., Brunklaus G., Théato P. Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries // ACS applied materials & interfaces. 2021. Vol. 13. No. 33. pp. 39257-39270.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/acsami.1c08841
UR - https://doi.org/10.1021/acsami.1c08841
TI - Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries
T2 - ACS applied materials & interfaces
AU - Mach, Tim P
AU - Hoffmann, Maxi
AU - Butzelaar, Andreas J.
AU - Jeschull, Fabian
AU - Wilhelm, Manfred
AU - Brunklaus, Gunther
AU - Théato, Patrick
AU - Röring, P
AU - Winter, Martin
PY - 2021
DA - 2021/08/10 00:00:00
PB - American Chemical Society (ACS)
SP - 39257-39270
IS - 33
VL - 13
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Butzelaar,
author = {Tim P Mach and Maxi Hoffmann and Andreas J. Butzelaar and Fabian Jeschull and Manfred Wilhelm and Gunther Brunklaus and Patrick Théato and P Röring and Martin Winter},
title = {Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries},
journal = {ACS applied materials & interfaces},
year = {2021},
volume = {13},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acsami.1c08841},
number = {33},
pages = {39257--39270},
doi = {10.1021/acsami.1c08841}
}
MLA
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MLA Copy
Butzelaar, Andreas J., et al. “Styrene-Based Poly(ethylene oxide) Side-Chain Block Copolymers as Solid Polymer Electrolytes for High-Voltage Lithium-Metal Batteries.” ACS applied materials & interfaces, vol. 13, no. 33, Aug. 2021, pp. 39257-39270. https://doi.org/10.1021/acsami.1c08841.
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