Molten salt thermal storage is a mature long-duration

large-scale new type of energy storage technology.It gradually couples with coal-fired power units to optimize its peak shaving

frequency modulation

and heating capabilities.At present

scholars mainly carry out simulation research on three aspects: the heating methods of molten salt

the system design

the coupling methods and operation processes.Simulation design does not form a unified specification

but relevant projects demonstrate its application potential.Up to now

there are four demonstration projects in China

two of which successfully puts into operation

and more projects are expected to be implemented in the future.It summarizes the relevant policies

the latest research progress and the implementation of domestic projects of molten salt thermal storage coupled coal-fired power units

which provides a reference for the further development of the technology.