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Nucleating agent tailored specifically to the thermal energy storage medium lithium nitrate trihydrate (LiNO3-3H2O), has been developed by Air Force researches. Addition of the nucleating agent copper hydroxy nitrate hydrate [Cu3(OH)5(NO3)-2H2O](Likasite) suppresses the undercooling in lithium nitrate trihydrate, forming a superior composite thermal energy storage medium.
- Limited degree of undercooling with good stability over large numbers of cycles
- Allows for small form factor thermal storage components, allows for rapid absorption of heat, and saves on system weight and cost, which are due to reduced requirements for balance of system components
- Businesses can commercialize the technology by licensing U.S. Patent 8,703,258 from the Air Force