Sensitivity Analysis on the Parameters of Lithium-Ion Battery DC Pulse Preheating under Low Temperature

Table 2

Comparison of different switching frequencies.

Frequency, (kHz)	1	2	4	5	7	10
Discharge time, (min)	13.33	13.92	15.25	16.00	17.58	20.17
Temperature rise rate, (°C/min)	1.875	1.796	1.639	1.563	1.422	1.240
Capacity loss, (mAh)	303	316	324	335	375	430
Energy consumption, (%)	10.45	10.89	11.17	11.55	12.93	14.83