An Overview of Fast Ion Conductors

Authors- Suhail Iqbal Wani

Abstract-Fast ion conductors are considered to have great potential in the field of science and technology to create avenues in energy storage and conversion process. However, it is not yet known why only a few materials can supply remarkably higher ionic conductivity than typical solids or how one can design super-ionic conductors following simple procedures. Analysing the past studies, here I have put emphasis on the origin, classification, preparation, and applications of super-ionic conductors. The studies show that fast diffusion in fast ion conductors does not occur through isolated ion hopping as is typical in solids, but instead proceeds through concerted migrations of multiple ions with low energy barriers. Furthermore, I clarify that the low energy barriers of the concerted ionic diffusion are a result of exceptional mobile ion configurations and firm mobile ion interactions in fast ion conductors. This review provides best possible route to understand the concept and mechanism of super-ionic conductors which can pave way for universal strategy to design solid materials into fast ion conductors.

DOI: /10.61463/ijset.vol.12.issue4.204