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<p>The cooling system of energy storage battery cabinets is critical to battery performance and safety. This study addresses the optimization of heat dissipation performance in energy storage battery cabinets by employing a combined liquid-cooled plate and tube heat exchange method for battery pack cooling, thereby enhancing operational safety and efficiency. The study first constructs a mesh model coupling contact interactions, material properties, and load-bearing structural effects, followed by multi-condition rigid-body simulations. Results indicate that the battery module and cooling system operate normally under all conditions when the horizontal and vertical beam thicknesses, side panel thickness, internal frame thickness, and four connector dimensions are 5 mm, 5 mm, 3 mm, and 13.5 mm, respectively. The study also identified optimal cooling performance by adjusting the tee valve diameter and cold plate channel width: the best cooling effect was achieved with a cold plate width of 30 mm and a tee valve diameter of 6 mm. Following optimization, the battery box temperature decreased from 45.2 to 36.3 °C.</p>

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Optimization design of vital structures and thermal management systems for energy storage battery cabinets

  • 期刊论文

  • 发表日期：

    2025年10月15日

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  • Yuwei Chen,
  • Mingcheng Xu,
  • Yujie Xu,
  • Mingxin Zhong,
  • Lei Bai,
  • Hongmin Liu

摘要

The cooling system of energy storage battery cabinets is critical to battery performance and safety. This study addresses the optimization of heat dissipation performance in energy storage battery cabinets by employing a combined liquid-cooled plate and tube heat exchange method for battery pack cooling, thereby enhancing operational safety and efficiency. The study first constructs a mesh model coupling contact interactions, material properties, and load-bearing structural effects, followed by multi-condition rigid-body simulations. Results indicate that the battery module and cooling system operate normally under all conditions when the horizontal and vertical beam thicknesses, side panel thickness, internal frame thickness, and four connector dimensions are 5 mm, 5 mm, 3 mm, and 13.5 mm, respectively. The study also identified optimal cooling performance by adjusting the tee valve diameter and cold plate channel width: the best cooling effect was achieved with a cold plate width of 30 mm and a tee valve diameter of 6 mm. Following optimization, the battery box temperature decreased from 45.2 to 36.3 °C.