Ionic liquids (ILs) are organic salts that have sufficiently low melting points that, in their pure state, they are liquid around room temperature. We will discuss how ILs can be designed for a variety of important energy-related applications. We will show ILs for gas separations, including removal of CO2 from post-combustion flue gas, pre-combustion gases, and natural gas.  We will also discuss the use of ILs for two different types of refrigeration systems:  IL/water absorption refrigeration and CO2/IL co-fluid vapor compression refrigeration.  Both of these offer environmental advantages over conventional technology while improving coefficients of performance.  Next, we will show how the structure of the anion and cation can improve the 'ionicity' of ILs, which is important in the use of ILs as electrolytes for lithium-ion batteries, dye sensitized solar cells and supercapacitors.  Finally, we will explore the potential use of ILs in the (photo)electrochemical reduction of CO2.

Ionic liquids for improving the chemistry of energy applications

246th National Meeting (2013)

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