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Energy storage is the key technology of novel power system. As a medium and high temperature heat transfer and heat storage fluid, molten salt has the advantages of high heat capacity and good stability. It has been widely used in concentrated solar power (CSP) system, peak and frequency modification, green electricity consumption and other new energy fields. However, at present, the core components of molten salt energy storage system, such as the tanks, the electric heaters, the heat exchangers, and so on, are studied and developed based on the demand of CSP technology. The other application scenarios are not sufficiently considered. However, in different application scenarios, the working temperature range, heating and heat exchange methods have different requirements on molten salt. Therefore, the research status and technical achievements of the key technologies of molten salt heat storage are summarized. The development path of molten salt energy storage technology and its application in novel power systems are studied. According to the different application scenarios, the requirements on molten salt parameters and the suitable types of storage tanks and heat exchangers are illustrated.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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