Solvent and catalyst free vitrimeric poly(ionic liquid) electrolytes.
Journal
RSC advances
ISSN: 2046-2069
Titre abrégé: RSC Adv
Pays: England
ID NLM: 101581657
Informations de publication
Date de publication:
09 May 2023
09 May 2023
Historique:
received:
11
04
2023
accepted:
28
04
2023
medline:
14
5
2023
pubmed:
14
5
2023
entrez:
14
5
2023
Statut:
epublish
Résumé
Polymer electrolytes (PEs) are a promising alternative to overcome shortcomings of conventional lithium ion batteries (LiBs) and make them safer for users. Introduction of self-healing features in PEs additionally leads to prolonged life-time of LIBs, thus tackling cost and environmental issues. We here present solvent free, self-healable, reprocessable, thermally stable, conductive poly(ionic liquid) (PIL) consisting of pyrrolidinium-based repeating units. PEO-functionalized styrene was used as a co-monomer for improving mechanical properties and introducing pendant OH groups in the polymer backbone to act as a transient crosslinking site for boric acid, leading to the formation of dynamic boronic ester bonds, thus forming a vitrimeric material. Dynamic boronic ester linkages allow reprocessing (at 40 °C), reshaping and self-healing ability of PEs. A series of vitrimeric PILs by varying both monomers ratio and lithium salt (LiTFSI) content was synthesized and characterized. The conductivity reached 10
Identifiants
pubmed: 37180003
doi: 10.1039/d3ra02396f
pii: d3ra02396f
pmc: PMC10172824
doi:
Types de publication
Journal Article
Langues
eng
Pagination
14435-14442Informations de copyright
This journal is © The Royal Society of Chemistry.
Déclaration de conflit d'intérêts
There are no conflicts to declare.
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