As an important component of deep-sea equipment energy systems,ensuring the safe operation of battery modules is crucial.Using ANSYS finite element simulation software,temperature field simulation analysis was conducted on the pressure-tolerant battery module for deep-sea equipment,simulating the temperature changes of the battery module under different discharge currents and seawater temperatures.The simulation re-sults show that the maximum and minimum temperatures of the battery module are within the allowable range,ensuring safe,stable,and continuous power supply underwater;The temperature of the battery module is most affected by the current.As the current increases,the battery temperature rises,and both the temperature differ-ence and the time to reach steady state increase accordingly;The temperature of seawater increases,and the maximum temperature of the battery module also increases accordingly,but the internal temperature difference and temperature gradient of the battery module remain basically unchanged.
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