Energy storage device and thermal management method thereof, energy storage device, energy storage system and charging network

Abstract

The application provides an energy storage device, an energy storage apparatus, an energy storage system and a charging network, wherein the energy storage device comprises an energy storage apparatus, a heat exchange module and a heat dissipation module, the energy storage apparatus comprises a plurality of battery apparatuses, each battery apparatus comprises a plurality of battery monomers and a heat exchange element in heat exchange connection with each battery monomer, the heat exchange module comprises a heat exchange main body, the heat exchange element is provided with a heat exchange flow channel, the heat exchange main body is connected with each heat exchange flow channel through a circulating pipeline, a closed circulating system is formed between the heat exchange main body and the heat exchange element, a heat exchange medium circulates and flows in the circulating system, the heat exchange medium exchanges heat with the battery apparatus when flowing through the heat exchange element to absorb the heat of the battery apparatus, and the heat exchange medium exchanges heat with a ground source when flowing through the heat exchange main body, and the heat exchange medium stably and efficiently circulates between the heat pipeline assembly and the heat exchange main body through the circulating pipeline, so that the battery apparatus can continuously, stably and efficiently exchange heat with the ground source, and the reliable and stable operation of the battery apparatus is ensured.

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