Lithium battery charging and discharging process and precautions analysis

▲Battery charging process A power supply charges the battery. At this time, the electron e on the positive electrode runs from the external circuit to the negative electrode, and the positive lithium ion Li+ jumps from the positive electrode into the electrolyte, crawls through the twisty hole in the diaphragm, and swims. When it reaches the negative electrode, it combines with the electrons that have ran over. ▲Battery discharge includes constant current discharge and constant resistance discharge. Constant current discharge is actually adding a variable resistance to the external circuit that can change with the voltage. The essence of constant resistance discharge is to add a resistor to the positive and negative electrodes of the battery to allow electrons. by. It can be seen that as long as the electrons on the negative electrode cannot run from the negative electrode to the positive electrode, the battery will not discharge. Both electrons and Li+ act at the same time, with the same direction but different paths. When discharging, the electrons run from the negative electrode to the positive electrode through the electronic conductor, and the lithium ion Li+ jumps from the negative electrode into the electrolyte, crawling through the curved holes in the diaphragm. The swim reaches the positive pole and combines with the electrons that have ran over. Precautions for Lithium Battery Charging ◆Precaution 1: Beware of high temperature during charging. If the temperature during charging is higher than the specified operating temperature (35°C), the power of the lithium battery will continue to decrease, that is, the power supply time will be shortened when fully charged. It will damage the battery quality and reduce the battery life. ◆Note 2: Beware that the temperature is too low when charging. If the battery is in a low temperature environment (below 4°C) during charging, the battery's power will continue to decrease, or even fail to charge, but the situation is different from the high temperature environment. It is not permanently damaged. When the temperature rises to a suitable level, the battery power will return to its previous state. ◆Note 3: Frequent use will make the electrons in the lithium battery always flow, which is conducive to the extension of its life. If you don't use it often, remember to complete a charge cycle for the lithium battery every month, that is, deep discharge and deep charge once. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.