Devolopment status and prospect of thermal energy storage technology
FAN Wei
ZHOU Zhongbo
LI Yanhui
Abstract：Thermal energy storage technology can store excess energy in renewable energy,solve the problem of in-termittency and volatility of renewable energy,and improve energy efficiency.The heat storage and energy storage technology is summarized.Combined with its technical principle and working principle,the different types and classi-fications of sensible heat storage,latent heat storage and thermochemical heat storage are explained.The key technol-ogies such as the selection of heat storage medium,the design and operation control of heat storage system and the in-tegration of heat storage system are discussed.Then,the key problems faced by heat storage and energy storage tech-nology and the challenges including technical maturity and economic feasibility are analyzed.Finally,the prospect of heat storage and energy storage technology is put forward,and the focus and possible development direction of future research are pointed out.Combined with the economic analysis of heat storage and power storage,it can be seen that high temperature heat storage technology,multi energy integrated energy storage system,new heat storage medium,high efficiency heat storage conversion technology,intelligent control and operation management,long cycle heat storage technology are the future development direction.The development of new materials and technologies that can meet the needs of high-temperature heat storage and efficient heat storage conversion technologies can meet the needs of industrial production and high-temperature heat energy utilization.At the same time,it is necessary to strengthen the combination with renewable energy and intelligent energy network technology,research and develop intelligent control systems and operation management technologies to achieve real-time monitoring,optimal operation and fault diagnosis of heat storage systems,and further expand the application prospects of heat storage and energy storage technologies in energy systems.The future development of thermal energy storage technology will continue to benefit from innovations in materials science,energy conversion technology,intelligent control and other fields to achieve more efficient,sustainable and economical energy storage and utilization.
Keywords：thermal energy storage technologythermal energy storage mediumtechnology maturityeconomic feasibilitythermal energy storage system integrationrenewable energythermal storage conversion technology
Publication Date：2025-01-09