The Qinghai Salt Lake Research Institute of the Chinese Academy of Sciences disclosed on the 7th that the research team of the institute has made new progress in the study of the performance of salt lake nitrate molten salt energy storage materials, which provides more possibilities for the application of salt lake nitrate molten salt energy storage materials in CSP.
As a new energy technology, solar photovoltaic power generation technology is the main technical field of China's promotion of "energy saving and efficiency improvement" strategy. As the core technology of solar photovoltaic power generation, the selection and preparation of heat storage materials are particularly important.
According to the Qinghai Salt Lake Research Institute of the Chinese Academy of Sciences, molten salt (containing molten salt of nitric acid) has many unique performance advantages, such as large heat capacity, low viscosity, low vapor pressure, and wide temperature, and has become the first choice for CSP energy storage materials.
It is understood that the research team of Wang Min in the Salt Lake Resource Chemistry Laboratory of the Institute used salt lake resources as raw materials to further enhance its nitrate system by preparing low-melting ternary molten salt energy storage materials Thermal conductivity. This move not only provides a theoretical basis for the preparation of nitrate molten salt heat storage materials, but also opens up more possibilities for its application in solar thermal power generation.
Statistics from China National Grid Qinghai Electric Power Company show that the current total installed capacity of Qinghai Power Grid is 27.78 million kilowatts, including 12.08 million kilowatts of solar and wind power, which is the province's largest power source.
The rich salt lakes in Qinghai Province will reduce the production cost of related phase change energy storage materials, which will help promote the large-scale development of solar energy and the optimization and optimization of energy structure. (Reporter Luo Yunpeng)
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