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Conjugated Polyimidazole Nanoparticles as Biodegradable Electrode Materials for Organic Batteries

Schuster, Philipp A.; Uhl, Matthias; Kissmann, Ann-Kathrin; Jansen, Felicitas; Geng, Tanja; Ceblin, Maximilian U.; Spiewok, Sarah; Rosenau, Frank; Jacob, Timo 1; Kuehne, Alexander J. C.
1 Helmholtz-Institut Ulm (HIU), Karlsruher Institut für Technologie (KIT)

Abstract:

Conjugated polymers are promising active materials for batteries. Batteries not only need to have high energy density but should also combine safe handling with recyclability or biodegradability after reaching their end-of-life. Here, π-conjugated polyimidazole particles are developed, which are prepared using atom economic direct arylation adapted to a dispersion polymerization protocol. The synthesis yields polyimidazole nanoparticles of tunable size and narrow dispersity. In addition, the degree of crosslinking of the polymer particles can be controlled. It is demonstrated that the polyimidazole nanoparticles can be processed together with carbon black and biodegradable carboxymethyl cellulose binder as an active material for organic battery electrodes. Electrochemical characterization shows that a higher degree of crosslinking significantly improves the electrochemical performance and leads to clearer oxidation and reduction signals of the polymer. Polyimidazole as part of the composite electrode shows complete degradation by exposure to composting bacteria over the course of 72 h.


Verlagsausgabe §
DOI: 10.5445/IR/1000166968
Veröffentlicht am 04.01.2024
Originalveröffentlichung
DOI: 10.1002/aelm.202300464
Scopus
Zitationen: 4
Web of Science
Zitationen: 3
Dimensions
Zitationen: 3
Cover der Publikation
Zugehörige Institution(en) am KIT Helmholtz-Institut Ulm (HIU)
Post Lithium Storage (POLiS)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 04.2024
Sprache Englisch
Identifikator ISSN: 2199-160X
KITopen-ID: 1000166968
HGF-Programm 38.02.02 (POF IV, LK 01) Components and Cells
Erschienen in Advanced Electronic Materials
Verlag John Wiley and Sons
Band 10
Heft 4
Seiten Art.-Nr.: 2300464
Vorab online veröffentlicht am 24.12.2023
Schlagwörter biodegradable, nanoparticles, polyimidazole, polymer-based batteries
Nachgewiesen in Dimensions
Scopus
Web of Science
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