Used as an electrolyte in lithium-ion batteries due to its high ionic conductivity and thermal stability, enhancing battery performance at elevated temperatures. Acts as a flux in ceramic and glass manufacturing, lowering melting points and improving product durability. Employed in heat transfer systems and molten salt applications because of its wide liquid range and efficient heat absorption. Also utilized in concrete admixtures to accelerate setting time and improve sulfate resistance. Investigated for use in thermal energy storage systems, particularly in solar power plants, where it helps store and release heat effectively.