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We developed a facile one-pot method for fabricating physical gels consisting of ultrahigh molecular weight (UHMW) polymers and highly concentrated lithium salt electrolytes. We previously reported physical gels formed from the entanglement of UHMW polymers by radical polymerisation in aprotic ionic liquids. In this study, we found that the molecular weight of methacrylate polymers formed by radical polymerisation increased with the concentration of lithium salts in the organic solvents. Consequently, the synthesis of UHMW polymers with a high monomer conversion was achieved at very low initiator concentrations, leading to the formation of physical gels in highly concentrated electrolytes by the chain entanglement of UHMW polymers. The viscoelastic and mechanical properties of the UHMW gel electrolytes and their self-healing properties were investigated in detail.

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• In Copyright
  

Keyword: 濃厚電解液, 超高分子量, ゲル電解質

Date published: 2025-01-10

Publisher: Royal Society of Chemistry (RSC)

Journal:

• Soft Matter (ISSN: 1744683X) vol. 21 issue. 8 p. 1471-1478

Funding:

• Japan Science and Technology Agency JPMJGX23S3
• Co-creation place formation support program JPMJPF2016
• Precursory Research for Embryonic Science and Technology JPMJPR2196
• Japan Society for the Promotion of Science 23K26409

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5450

First published URL: https://doi.org/10.1039/d4sm01248h

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Updated at: 2025-04-24 08:30:09 +0900

Published on MDR: 2025-04-24 08:28:01 +0900