A step towards sustainable bio-based solid polymer electrolytes for batteries: Terpene-based block copolymer-nanostructured self-assembly

IF 5.8 2区化学 Q1 POLYMER SCIENCE

European Polymer Journal Pub Date : 2025-02-01 DOI:10.1016/j.eurpolymj.2025.113788

Antoine Aynard, Laurent Billon

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引用次数: 0

Abstract

Herein, novel partially Bio-Based Solid Polymer Electrolytes B2SPE were elaborated by synthesizing block copolymers BCP with a thermoplastic PolyThymylAcrylate (PTA) block derived from biomass and an elastomeric ion conductive Poly(PentaFluoroStyrene-graft-Ethylene Glycol) (PPFS-graft-PEG) block. The copolymers were obtained via Nitroxide Mediated Polymerization NMP of TA and PFS monomers successively, followed by a para-thiol modification of the PPFS block using a PEG-thiol containing 6 ethylene oxide (EO) units. We investigated the effect of different PPFS-PEG proportions in the BCP as well as the used of various bis(trifluoromethanesulfonyl)imide (TFSI) conductive salts (Li, Na, and K) on the thermal and ionic conductive properties of the B2SPEs related to their morphology. Indeed, the evaporative drying induced the self-assembly of the raw Bio-Based Block CoPolymers B2BCPs and their conductive homologues B2SPEs. The B2BCP self-assembly is slightly modified by the addition of TFSI conductive salts whatever the salts nature and content. The Li filled thermoplastic/elastomeric PTA-block-(PPFS-graft-PEG), as LiTFSI-based B2BCP, ionic conductivity was improved significantly by tuning the composition of the copolymer and salt ratio, demonstrating the potential of such nanostructured B2SPEs. This concept paves the way as a sustainable approach towards bio-based solid polymer electrolyte B2SPE with lower carbon footprint for battery innovation.

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来源期刊

European Polymer Journal 化学-高分子科学

CiteScore

9.90

自引率

10.00%

发文量

691

审稿时长

23 days

期刊介绍： European Polymer Journal is dedicated to publishing work on fundamental and applied polymer chemistry and macromolecular materials. The journal covers all aspects of polymer synthesis, including polymerization mechanisms and chemical functional transformations, with a focus on novel polymers and the relationships between molecular structure and polymer properties. In addition, we welcome submissions on bio-based or renewable polymers, stimuli-responsive systems and polymer bio-hybrids. European Polymer Journal also publishes research on the biomedical application of polymers, including drug delivery and regenerative medicine. The main scope is covered but not limited to the following core research areas: Polymer synthesis and functionalization • Novel synthetic routes for polymerization, functional modification, controlled/living polymerization and precision polymers. Stimuli-responsive polymers • Including shape memory and self-healing polymers. Supramolecular polymers and self-assembly • Molecular recognition and higher order polymer structures. Renewable and sustainable polymers • Bio-based, biodegradable and anti-microbial polymers and polymeric bio-nanocomposites. Polymers at interfaces and surfaces • Chemistry and engineering of surfaces with biological relevance, including patterning, antifouling polymers and polymers for membrane applications. Biomedical applications and nanomedicine • Polymers for regenerative medicine, drug delivery molecular release and gene therapy The scope of European Polymer Journal no longer includes Polymer Physics.