What is energy storage?
Energy storage mainly refers to using a chemical or physical method to store energy and release it when needed. From the perspective of the power system, energy storage is mainly used in new energy generation, new energy power output, joint frequency modulation, alleviating line congestion, peak load shaving, and standby power supply.
Currently, in terms of electrochemical energy storage, it can be more efficient and flexible since it is not affected by natural conditions. It has become a rapidly developing energy storage method. However, traditional air cooling systems cannot meet the heat dissipation requirements of large-capacity batteries. Therefore, liquid cooling systems for energy storage are becoming an increasingly important cooling method.
Energy storage liquid cooling technology
Energy storage liquid cooling technology is a cooling technology for battery energy storage systems that uses liquid as a medium. Compared with traditional air cooling methods, energy storage liquid cooling technology has better heat dissipation effect and can effectively improve the working efficiency and lifespan of battery systems.
Energy storage liquid cooling technology is suitable for various types of battery energy storage system solution, such as lithium-ion batteries, nickel-hydrogen batteries, and sodium-sulfur batteries. The application of this technology can help battery systems achieve higher energy density and longer lifespan, providing more reliable power support for various application fields, such as transportation, energy storage, and renewable energy.
Liquid cooled energy storage system operating principle
The energy storage liquid cooling system mainly consists of a water cooling system, as well as a refrigeration cycle system, a circulation control system, and a water distribution pipeline system. These systems work together to facilitate the operation of the system. The water circulation system in the water cooling system provides water pressure, and then the refrigeration cycle system removes heat by compressing refrigerants and releasing it into the air. The control system, in coordination with the Energy Management System (EMS) and Battery Management System module (BMS) of the energy storage compartment, regulates temperature, flow, and pressure. This is the operating principle of the entire energy storage liquid cooling system.
Market demand for liquid cooled energy storage systems
In addition to its technological advantages, the development of liquid cooled energy storage system is closely tied to current market demand. The scale of new energy storage is expanding, with its proportion gradually increasing. The National Development and Reform Commission (NDRC) and the National Energy Administration (NEA) have officially issued the “Guidance on Accelerating the Development of New Energy Storage,” setting a target for the installed capacity of new energy storage to exceed 30 GW by 2025. Over the next five years, the transition from the initial commercial stage to a scaled-up stage for new energy storage will take place, with the goal of achieving a market-oriented development of new energy storage by 2030.
Furthermore, liquid cooling energy storage technology boasts numerous other advantages. It reduces noise and vibrations, enhances the overall performance of battery systems, and remains functional even in low-temperature environments. Compared to traditional air cooling methods, liquid cooling energy storage technology requires less space and is better suited for various complex environments, such as outdoor and high-altitude areas.
In conclusion, liquid cooling energy storage technology is a highly promising battery cooling technique, offering multiple advantages such as efficiency, reliability, safety, and environmental-friendliness. It can provide better solutions for various application areas within the power system.