A Novel Experimental Testing Setup and Calibration Procedures for Cylindrical Cell Thermal Models
نویسندگان
چکیده
Temperature is known to have a significant impact on the performance and ageing of Li-ion batteries. Because it, their temperature monitored controlled implementing Battery Thermal Management System (BTMS) in which lumped-parameter thermal models are commonly used estimate cells’ behavior, due low computation effort. In this regard, it important plan proper calibration procedure able accurately assess cell’s properties. While literature presents several methodologies with different levels accuracy complexity, there lack systematic approach. Furthermore, only few works take into account heat lost through cell holder by conduction. work, re-designed introduced minimize its interaction during testing, then provides better understanding comparing two simple, but effective, testing procedures. The specific capacity cylindrical evaluated carrying out procedures flow direction inverted. first procedure, actively generated from cell, while second externally provided using flexible polyimide heater. This has led formulations energy balance equation that differ internal dissipation modeling. At end, validation been carried current profile UDDS drive cycle. Both shown similar prediction RMSE 0.484 °C.
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ژورنال
عنوان ژورنال: IEEE Access
سال: 2023
ISSN: ['2169-3536']
DOI: https://doi.org/10.1109/access.2023.3285814