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Owing to the digital revolution and growing emphasis on sustainability, the demand for innovative electrochemical devices, such as flexible and wearable sensors, energy-harvesting devices, and high-capacity secondary batteries, has been increasing. Alongside this, various high-performance gel electrolytes with excellent mechanical and electrochemical properties have been developed. This focus review presents our recent research on enhancing the mechanical properties of gel electrolytes and their application in lithium secondary batteries. It discusses the efforts made to achieve self-healing ion gels, which utilize ionic liquids as the electrolyte solutions. Additionally, the review covers the application of functional gel electrolytes in next-generation lithium secondary batteries. It focuses particularly on improving the cycling performance of lithium metal anodes, which are considered the very promising anode material. Moreover, the future prospects of functional polymer gel electrolytes have been discussed in this review.

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• In Copyright
  

  This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1038/s41428-024-00969-8

Keyword: ゲル電解質, 自己修復, イオンゲル, イオン液体, 高濃度電解液, リチウム金属, リチウム二次電池

Date published: 2024-10-03

Publisher: Springer Science and Business Media LLC

Journal:

• Polymer Journal (ISSN: 00323896) vol. 57

Funding:

• MEXT | JST | Precursory Research for Embryonic Science and Technology JPMJPR2196
• MEXT | Japan Science and Technology Agency JPMJPF2016
• MEXT | Japan Society for the Promotion of Science 23K26409
• MEXT | Japan Science and Technology Agency JPMJGX23S3

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5145

First published URL: https://doi.org/10.1038/s41428-024-00969-8

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Updated at: 2025-04-03 08:30:30 +0900

Published on MDR: 2025-04-03 14:11:01 +0900