Air Cooling vs. Liquid Cooling: Choosing the Right
In practice, hybrid cooling systems combining both air cooling and liquid cooling are gaining traction. They allow flexible adaptation
An air cooling system relies on airflow generated by fans to dissipate heat from battery modules. As sensors detect rising temperatures during charge/discharge cycles, fans activate, forcing air across heat sinks and ducts to transfer heat away. Advantages: Lower cost: Simple design with no need for liquid loops.
A liquid cooling system circulates coolant through pipes in direct contact with battery modules. Heat is transferred to the liquid and removed via heat exchangers. The cooled liquid is then recirculated, maintaining thermal stability. Advantages: High thermal efficiency: Liquid has superior heat transfer capabilities.
I. Why Thermal Management Matters in BESS As Battery Energy Storage Systems (BESS) become central to global energy transition strategies, their cooling system is critical to ensure operational stability and energy efficiency. Poor heat dissipation can lead to reduced battery lifespan, lower efficiency, and safety risks.
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