Application of Nitrates in Molten salt energy storage project

Molten salt is the fusant of Nitrates-based molten salt (60% sodium nitrate and 40% Potassium Nitrate) ,It is composed of cations and anions. It is solid at standard temperature and atmospheric pressure, and changes to liquid phase after temperature increased, and become a high temperature heat flow accumulator which has the advantages of good heat transfer performance, low working pressure, wide liquid temperature range, high operating temperature, low cost, safety and reliability, etc. It is a very promising high temperature heat transfer and heat storage working medium.
High temperature heat transfer of molten salt has been applied in nuclear power, solar thermal power generation and high temperature process industry. In addition, the large-scale heat storage of molten salt can also have a good prospect in the fields of electric energy storage independent molten salt heat storage power station,peak regulation for heat storage in thermal power plant , mobile heat storage, high-temperature intermittent waste heat utilization, off-peak electric heating molten salt heat storage heating and so on. In recent years, molten salt heat transfer and storage technology has been widely used in solar thermal power generation and high temperature industrial processes.
With the increasing global energy demand and development of renewable energy, energy storage technology has become one of the important solutions. Among them, photothermal energy storage technology has been widely concerned and applied. As a key material, Nitrates-based molten salt plays an important role in molten salt energy storage field. Nitrates-based molten salt is a kind of high temperature molten salt based on nitrates, which can store and release energy at high temperature. Its unique feature is the ability to convert solar energy into heat and store it for heating or generating electricity when needed. As an important energy storage material, nitrates-based molten salt has excellent properties such as high melting point, large heat capacity, high thermal conductivity and low steam pressure. It has broad application prospects in the fields of heating, power generation and battery. With the gradual increase in the demand for clean energy, the nitrate based molten salt technology in photothermal energy storage fields will be more widely used and promoted in the future. Therefore, sufficient and stable supply of molten salt raw materials is very critical.
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