Organic Ionic Plastic Crystals as Solid-State Electrolytes

Haijin Zhu*, Douglas R. MacFarlane, Jennifer M. Pringle, Maria Forsyth

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

99 Scopus citations


The development of safe and reliable energy conversion and storage technologies is an urgent global challenge central to mitigating our dependence on fossil fuels. Key to many emerging electrochemical technologies is the need for a safe and stable electrolyte that enables high device efficiency. Organic ionic plastic crystals (OIPC)are an emerging class of solid-state electrolytes with significant advantages over conventional materials, including plasticity, nonflammability, and high ionic conductivity. Recent advances in this evolving field include increasingly efficient lithium-ion batteries and dye-sensitized solar cells, and the first application of OIPCs in sodium-ion batteries. In this review, we highlight these advances and discuss recent fundamental developments such as structure–property relationships and conduction mechanisms in both protic and aprotic OIPCs.

Original languageEnglish
Pages (from-to)126-140
Number of pages15
JournalTrends in Chemistry
Issue number1
StatePublished - Apr 2019
Externally publishedYes


  • energy storage and conversion
  • lithium-ion batteries
  • organic ionic plastic crystal
  • solar cells
  • solid-state electrolytes


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