Comparing with the traditional thermal storage and heat transfer materials

ionic liquids have an equal or better performance

such as low vapor pressure

high heat storage density

high physical and chemical stability

high thermal conductivity

low melting point

designable and so on.Therefore

the ionic liquids are of great potential for the application in solar energy collection

building energy conservation

electric power control

low-grade waste heat storage

adsorption heat pump and other areas.This paper summarized the application of ionic liquids in heat transfer and heat storage

including heat transfer fluids in the solar collectors as the absorption medium in cooling(heating)

as well as the phase change materials in heat storage.In addition

this article also pointed out that some properties

such as corrosive

toxic

etc.will be focused when these ionic liquids used in the process of thermal storage and heat transfer.