Artificial neural network-based highest surface temperature prediction method of secondary battery
An artificial neural network, the highest temperature technology, applied in the direction of radiation pyrometry, biological neural network model, measuring device, etc., can solve the problem of secondary battery thermal runaway, etc., and achieve the effect of easy parameters
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[0024] The method for predicting the maximum surface temperature of secondary battery based on artificial neural network, the specific operation steps are as follows:
[0025] 1) Put the 8Ah cylindrical Ni-MH power battery in the high and low temperature test box, and connect it to the charge and discharge test machine;
[0026] 2) To charge the battery at ambient temperature of -10℃, 0, 10, 20, 30, 40℃, the battery should be discharged to SOC=0 before charging;
[0027] 3) Under the same ambient temperature, charge the battery at the rate of 1C, 3C and 5C respectively, and stop when the battery SOC = 1.1;
[0028] 4) Use an infrared thermal imager to monitor the change of the maximum surface temperature of the battery during charging, such as figure 1 shown;
[0029] 5) Establish a Back-Propagation neural network model, set the input of the model as the ambient temperature (for the ambient temperature data in step 2) and charging time (for the time during the charging proce...
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