What is the principle of car fast charge
Feb 17, 2021| Fast charge uses high-current and high-power direct current to charge the battery. The principle is that in the state of fast charge, the lithium ion in the lithium battery moves at high speed and is instantly embedded in the two poles of the battery.
Quick charge method is that the first to use wide pulse charging to the battery to charge, make the lithium battery terminal voltage rise, when reach charging system set of charging time limit, make a battery charging system to cut off the power supply current stop charging, then when the intermittent charging to another point, start charging again, this process is repeated, When all the lithium ions inside the battery accumulate to the positive and negative electrodes of the battery, the car battery quickly fills up.
The rapid charging technology has high requirements on the battery itself. The battery itself must have automatic management system, and it must have very reliable thermal stability and resistance to high voltage and high current.
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