Nanocomposite Ionogel Electrolytes for Solid-State Rechargeable Batteries

Woo Jin Hyun, Cory M. Thomas, Mark C. Hersam*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

49 Scopus citations


Ionogels composed of ionic liquids and gelling solid matrices offer several advantages as solid-state electrolytes for rechargeable batteries, including safety under diverse operating conditions, favorable electrochemical and thermal properties, and wide processing compatibility. Among gelling solid matrices, nanoscale materials have shown particular promise due to their ability to concurrently enhance ionogel mechanical properties, thermal stability, ionic conductivity, and electrochemical stability. These beneficial attributes suggest that ionogel electrolytes are not only of interest for incumbent lithium-ion batteries but also for next-generation rechargeable battery technologies. Herein, recent advances in nanocomposite ionogel electrolytes are discussed to highlight their advantages as solid-state electrolytes for rechargeable batteries. By exploring a range of different nanoscale gelling solid matrices, relationships between nanoscale material structure and ionogel properties are developed. Furthermore, key research challenges are delineated to help guide and accelerate the incorporation of nanocomposite ionogel electrolytes in high-performance solid-state rechargeable batteries.

Original languageEnglish (US)
Article number2002135
JournalAdvanced Energy Materials
Issue number36
StatePublished - Sep 1 2020


  • energy storage
  • ion gels
  • ionic liquids
  • nanoparticles
  • solid-state electrolytes

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science


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