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Suppressed mobility of negative charges in polymer electrolytes with an ether-functionalized anion

Zhang, Heng, Chen, Fangfang, Lakuntza, Oier, Oteo, Uxue, Qiao, Lixin, Martinez-Ibañez, Maria, Zhu, Haijin, Carrasco, Javier, Forsyth, Maria and Armand, Michel 2019, Suppressed mobility of negative charges in polymer electrolytes with an ether-functionalized anion, Angewandte chemie - international edition, vol. 58, no. 35, pp. 12070-12075, doi: 10.1002/anie.201905794.

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Title Suppressed mobility of negative charges in polymer electrolytes with an ether-functionalized anion
Author(s) Zhang, Heng
Chen, FangfangORCID iD for Chen, Fangfang orcid.org/0000-0002-8004-1720
Lakuntza, Oier
Oteo, Uxue
Qiao, Lixin
Martinez-Ibañez, Maria
Zhu, HaijinORCID iD for Zhu, Haijin orcid.org/0000-0001-6352-7633
Carrasco, Javier
Forsyth, MariaORCID iD for Forsyth, Maria orcid.org/0000-0002-4273-8105
Armand, Michel
Journal name Angewandte chemie - international edition
Volume number 58
Issue number 35
Start page 12070
End page 12075
Total pages 6
Publisher Wiley
Place of publication Chichester, Eng.
Publication date 2019-08-26
ISSN 1433-7851
1521-3773
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
batteries
electrolytes
ether-functionalized anions
negative charge mobility
MOLECULAR-DYNAMICS SIMULATIONS
TRANSFERENCE NUMBER
LITHIUM
TRANSPORT
CONDUCTIVITY
Summary © 2019 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. Suppressing the mobility of anionic species in polymer electrolytes (PEs) is essential for mitigating the concentration gradient and internal cell polarization, and thereby improving the stability and cycle life of rechargeable alkali metal batteries. Now, an ether-functionalized anion (EFA) is used as a counter-charge in a lithium salt. As the salt component in PEs, it achieves low anionic diffusivity but sufficient Li-ion conductivity. The ethylene oxide unit in EFA endows nanosized self-agglomeration of anions and trapping interactions between the anions and its structurally homologous matrix, poly(ethylene oxide), thus suppressing the mobility of negative charges. In contrast to previous strategies of using anion traps or tethering anions to a polymer/inorganic backbone, this work offers a facile and elegant methodology on accessing selective and efficient Li-ion transport in PEs and related electrolyte materials (for example, composites and hybrid electrolytes).
Language eng
DOI 10.1002/anie.201905794
Indigenous content off
Field of Research 030304 Physical Chemistry of Materials
030307 Theory and Design of Materials
030301 Chemical Characterisation of Materials
030399 Macromolecular and Materials Chemistry not elsewhere classified
03 Chemical Sciences
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID CE140100012
Copyright notice ©2019, The Authors
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30124970

Document type: Journal Article
Collections: Institute for Frontier Materials
Open Access Collection
GTP Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.