Modeling and analysis of liquid-cooling thermal management of
Liquid cooling is applied for in the thermal management system. A full-scale thermal-fluidic model for the LIB ESS is developed. Simulated and experimental data prove
It was presented and analyzed an energy storage prototype for echelon utilization of two types (LFP and NCM) of retired EV LIBs with liquid cooling BTMS. To test the performance of the BTMS, the temperature variation and temperature difference of the LIBs during charging and discharging processes were experimentally monitored.
The simulation results show that the liquid cooling system can significantly reduce the peak temperature and temperature inconsistency in the ESS; the ambient temperature and coolant flow rate of the liquid cooling system are found to have important influence on the ESS thermal behavior.
With the liquid-cooling system on, from the initial temperature, the maximum temperature rise of the LIBs is 2 K at the end of the charging process and 2.2 K at the end of the discharging process compared with the initial temperature.
The simulation predictions indicate that the liquid cooling BTMS is well designed and can significantly reduce the peak temperature and temperature inconsistency in the ESS under various operating conditions.
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