Investigation of heat capacity and viscosity enhancements of binary carbonate salt mixture with SiO2 nanoparticles

•We synthesized molten salt nanofluids by dispersing SiO2 nanoparticles at a minute concentration (1 wt.%) into a binary carbonate salt mixture (Li2CO3-K2CO3 at 62:38).•The heat capacity and the viscosity were enhanced by 19% & 34.0–94.4%, respectively. A non-Newtonian behavior (shear thinning)...

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