Breakthrough in liquid cooled energy storage air conditioning system technology, empowering efficient and safe thermal management for new energy vehicles
Time：May 27,2026
In 2026, the liquid cooled energy storage air conditioning system, as the core component of thermal management for new energy vehicles, will achieve technological breakthroughs and large-scale applications. By accurately controlling the power battery, electronic control system, and cabin temperature, it will solve pain points such as battery thermal runaway, electronic control overheating, and poor cabin comfort under extreme working conditions, and help comprehensively improve the safety, endurance, and driving experience of new energy vehicles. Unlike traditional air cooling solutions, liquid cooled energy storage air conditioning systems use coolant as the medium to achieve rapid heat transfer and precise control, adapting to high-density integration of power batteries and high voltage electronic control and high heat dissipation requirements.
Technological innovation focuses on three core areas: first, efficient liquid cooling architecture, using microchannel liquid cooling plates, immersive cooling, and parallel flow channel design, improving heat dissipation efficiency by 60%, and controlling temperature uniformity error within ± 1 ℃, effectively avoiding the problem of inconsistent attenuation caused by large temperature differences between battery cells; The second is integrated thermal management, which deeply integrates battery cooling, electronic control cooling, cabin air conditioning, and waste heat recovery functions. Through intelligent control valves, the cooling/heating capacity is accurately distributed, achieving efficient energy utilization and reducing vehicle energy consumption by 4% -6%; The third is low-temperature adaptability optimization, equipped with PTC heaters and waste heat recovery systems, which can quickly raise the battery temperature to the optimal working range (25 ℃ -40 ℃) in extremely cold environments of -30 ℃, solving the problem of low-temperature endurance degradation, and increasing winter endurance by 10% -15%.
The safety performance continues to upgrade, and the system has multiple protection mechanisms such as overvoltage, overcurrent, overheating, and leakage. It monitors the temperature, pressure, and flow of the coolant in real time, and triggers protection strategies in milliseconds under abnormal working conditions, effectively preventing the risk of battery thermal runaway. At the same time, insulation coolant and sealed pipeline design are adopted, with insulation resistance exceeding 1M Ω, eliminating high-voltage leakage hazards and meeting ASIL-D functional safety level requirements. In terms of reliability, the system has passed a wide temperature range of -40 ℃ to 85 ℃ and a 100000 hour durability test, adapting to complex road conditions and extreme weather environments.
The market penetration rate is rapidly increasing, and by 2025, the domestic market size of liquid cooled energy storage air conditioning systems will reach 15 billion yuan, a year-on-year increase of 30%. The installation rate of high-end pure electric and hybrid models will exceed 90%. With the popularization of 800V high-voltage platforms and high-energy density batteries, liquid cooling solutions have become standard, gradually replacing traditional air cooling. In addition, the level of system intelligence continues to improve, and the thermal management control strategy based on AI algorithms can dynamically optimize the temperature control logic according to environmental temperature, working conditions, and battery status, further improving energy utilization efficiency and driving comfort, providing solid guarantees for the safe and efficient operation of new energy vehicles.
keywords： Breakthrough in liquid cooled energy storage air conditioning system technology, empowering efficient and safe thermal management for new energy vehicles
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