Ionic Liquids (ILs) are known to have high thermal stability and heat capacity. Here, we are enhancing the IL energy storage properties by dispersing small volume percentages of nanoparticles into the IL carriers, creating Nanoparticle Enhanced Ionic Liquids (NEILs). NEILs are especially attractive as heat transfer fluids in concentrating solar power (CSP) plants. Our initial data supports the concept of NEILs as a viable heat transfer fluid for CSP systems. NEILs have both high heat capacity and density that translates into a significantly higher volummetric heat capacity compared to the commercially available heat transfer fluids. NEIL properties are highly dependent on the suspended nanomaterial and careful materials selection is required to fully optimize the nanofluid properties.

Nanoparticle-enhanced ionic liquids as advanced heat transfer fluids

243rd National Meeting (2012)

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