In recent years, the domestic energy storage market has shown a "soaring" trend, and downstream energy storage integrators and battery manufacturers have deployed energy storage liquid cooling technology. With the increasing number of practical application projects, liquid-cooled energy storage systems have gradually become the mainstream technology route in the market. According to public information statistics, dozens of manufacturers such as Kehua Digital Energy, Sungrow, and EVE are following up the trend of liquid cooling, and the new products released involve liquid cooling technology, covering a variety of scenarios. Liquid cooling, that is, the use of liquid contact with a heat source for cooling. According to the different contact heat exchange methods of coolant and server, it is divided into direct liquid cooling and indirect liquid cooling, of which indirect liquid cooling is mainly based on cold plate liquid cooling technology, and direct liquid cooling is mainly based on immersion liquid cooling technology. Cold plate liquid cooling dissipates heat by direct contact with a cold plate filled with liquid, or heat is conducted to the cold plate by a thermally conductive component, and then the heat is carried away by the liquid circulation inside the cold plate. Immersion liquid cooling, on the other hand, directly immerses heat-generating electronic components in insulating, chemically inert coolant, and takes away the heat generated by electronic components through circulating coolant. 
Why Liquid Cooling? First of all, liquid cooling has the advantage of low energy consumption. Due to the short heat dissipation path, high heat exchange efficiency, and high refrigeration energy efficiency, liquid cooling technology can reduce the self-consumption of energy storage systems, improve heat exchange efficiency, and further reduce electricity costs. In addition, the use of liquid cooling technology also helps to reduce the temperature of the battery cell, improve reliability and reduce energy consumption. Secondly, liquid cooling has a high heat dissipation capacity. Liquid cooling has a higher heat dissipation capacity than air cooling due to its heat carrying capacity, thermal conductivity and enhanced convective heat transfer coefficient that is much greater than that of air. At the same time, the highly integrated way of liquid cooling system and battery pack can improve the temperature control efficiency of the cooling system. With the development of the energy storage market, air cooling will be gradually replaced by liquid cooling, and the market share of liquid cooling will continue to increase. In the future, with the continuous improvement of heat production per unit time of energy storage projects, the requirements for heat exchange efficiency will continue to increase. Therefore, external thermal management with containers as the management goal may be the direction of further cost reduction and development. As the industry's requirements for the safety, efficiency and life of battery energy storage become clearer, the energy storage thermal management industry has gradually become a trend. At the moment when the energy storage market has entered the fast lane of development, the development potential of the energy storage temperature control market is huge. With the gradual increase in the market penetration of liquid cooling technology, the market value of energy storage liquid cooling is expected to grow to tens of billions of yuan. The innovation of energy storage temperature control system technology will lead the industry to bring new changes and open up a new development pattern and growth blue ocean for the new energy market!
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