LOW-MELTING HEAT STORAGE SALT MIXTURE Russian patent published in 2024 - IPC C09K5/06 

FIELD: thermal power engineering.

SUBSTANCE: heat-storing compositions used as energy-intensive materials in heat accumulators and devices for maintaining a constant temperature. A heat-storing composition is proposed, including the following components, wt.%: lithium chloride – 75-76; lithium tungstate – 16-15; lead tungstate – 9-8.

EFFECT: ability to obtain a mixture with operability in the temperature range of 472-475°C with a specific melting enthalpy of 350-355 kJ/kg and reduced corrosion activity.

1 cl, 1 tbl, 4 ex