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Printable ionic liquid-based gel polymer electrolytes for solid state all-organic batteries

Titelangaben

Muench, Simon ; Burges, René ; Lex-Balducci, Alexandra ; Brendel, Johannes C. ; Jäger, Michael ; Friebe, Christian ; Wild, Andreas ; Schubert, Ulrich S.:
Printable ionic liquid-based gel polymer electrolytes for solid state all-organic batteries.
In: Energy Storage Materials. Bd. 25 (2020) . - S. 750-755.
ISSN 2405-8297
DOI: https://doi.org/10.1016/j.ensm.2019.09.011

Abstract

The development of all-organic batteries promises novel customizable energy storage devices by fabrication processes based on roll-to-roll casting or printing techniques. Despite a continuous effort to improve the electrode materials, barely any attention has been paid to a suitable electrolyte system providing a sufficient ionic conductivity and mechanical stability. Here, we report a printable gel polymer electrolyte (GPE) designed for all-organic batteries, which consists of an ionic liquid gelled in a methacrylate-based polymer matrix. The system is optimized to be applied directly on the battery electrodes by printing techniques. Our straightforward approach comprises a UV-induced film formation in the presence of all GPE components without further processing steps and is designed for the application in continuous manufacturing processes. For this purpose, the polymerization time was significantly reduced and the influence of oxygen on the film formation was investigated. The obtained GPEs revealed high ionic conductivities in the range of 10−4 S cm−1 at room temperature and sufficient mechanical stability for the separation of the electrodes. Furthermore, their application in all-organic batteries revealed a positive effect of the gel matrix on the capacity of the composite electrodes based on redox-active polymers compared to the pristine ionic liquid electrolyte.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: Energy storage; Gel polymer electrolytes; Solid state battery; Printing; Photo-polymerization; Organic battery; Polymeric material; Redox-active material; Electrode
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie I
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie I > Lehrstuhl Makromolekulare Chemie I - Univ.-Prof. Dr. Johannes C. Brendel
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 19 Feb 2024 13:02
Letzte Änderung: 02 Mai 2024 07:39
URI: https://eref.uni-bayreuth.de/id/eprint/88605