Ionic liquid-based gels for applications in electrochemical energy storage and conversion devices: A review of recent progress and future prospects

Sharmin Sultana, Kumkum Ahmed, Prastika Krisma Jiwanti, Brasstira Yuva Wardhana, MD Nahin Islam Shiblee

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

Ionic liquids (ILs) are molten salts that are entirely composed of ions and have melting temperatures below 100C. When immobilized in polymeric matrices by sol–gel or chemical polymerization, they generate gels known as ion gels, ionogels, ionic gels, and so on, which may be used for a variety of electrochemical applications. One of the most significant research domains for IL-based gels is the energy industry, notably for energy storage and conversion devices, due to rising demand for clean, sustainable, and greener energy. Due to characteristics such as nonvolatility, high thermal stability, and strong ionic conductivity, IL-based gels appear to meet the stringent demands/criteria of these diverse application domains. This article focuses on the synthesis pathways of IL-based gel polymer electrolytes/organic gel electrolytes and their applications in batteries (Li-ion and beyond), fuel cells, and supercapacitors. Furthermore, the limitations and future possibilities of IL-based gels in the aforementioned application domains are discussed to support the speedy evolution of these materials in the appropriate applicable sectors.

Original languageEnglish
Article number2
JournalGels
Volume8
Issue number1
DOIs
Publication statusPublished - 2022 Jan

Keywords

  • Battery
  • Capacitor
  • Fuel cell
  • Ionic gel
  • Ionic liquid

ASJC Scopus subject areas

  • Bioengineering
  • Biomaterials
  • Organic Chemistry
  • Polymers and Plastics

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