Recent understanding of solid-liquid friction in ionic liquids

Yuqing He, Han Li, Cangyu Qu, Wei Cao*, Ming Ma

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


Ionic liquids (ILs)-solid interfacial phenomenon is undoubtedly one of the topic issues in energy related fields, especially bringing great challenges in the development of chemical engineering. Solid-ILs friction under microscale shows outstanding properties such as widely studied electro-controllability by surface potential or electric field, and promising performance of superlubricity. Vast applications, such as boundary lubrication and supercapacitors, have been benefiting from these studies. In this review, we summarized the recent advances of the measurements of solid-ILs friction, and focused on the microscale and fascinating findings. A brief tutorial for this topic, containing both experimental and theoretical methods, was also provided. It was anticipated that this review would help researchers grasp the emerging field and stimulate the advance of new ideas and methods in ILs on solids.

Original languageEnglish
Pages (from-to)145-157
Number of pages13
JournalGreen Chemical Engineering
Issue number2
StatePublished - Jun 2021


  • Ionic liquids
  • Lubrication
  • Nanoscale
  • Supercapacitors
  • Tribology


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