What are the consequences of overcharging or overcharging lithium batteries? Now most of the cell phones are almost all lithium batteries, the benefit is that it is very light, long-lasting, efficient charging speed, this battery no matter how much power you start charging, are calculated in cycles, the charging cycle is from full power to space, from space in the process of charging to full, not only harmless but also beneficial to the phone.
The consequences of excessive and frequent charging of lithium batteries
1, the lithium battery now has a certain self-protection function, even if charged overnight, it will cut off the power itself after filling, but some of the impact is still there, or will affect the life of the phone battery.
2, frequent charging does not destroy the lithium battery itself, the life of the lithium battery is generally 300-500 charging cycles, this cycle refers to the process from 0 to 100, and then from 100 to 0. The life of the lithium battery in the usual state is fixed, each complete charging cycle will only reduce part of the life, and a new lithium battery charging cycle life of about 500 times.
3, the fuller the battery charge, the greater the loss will be. If you can keep the power of the lithium battery in the middle state, the battery life will be longer. This means neither charge the lithium battery to 100%, nor deplete the lithium battery, the smaller the interval between charging and discharging, the better. So the service life of lithium batteries and frequent charging does not affect, but is related to whether the charging is excessive and discharge is excessive.
4, in general, it is not recommended to charge frequently, especially while charging while playing with the phone, it will be very dangerous. There are news reports of spontaneous combustion of cell phones caused by playing with them while charging, and charging while talking on the phone is also very dangerous. But frequent charging is not affected, as long as you do not play while charging.
What are the consequences of overcharging the lithium battery?
1. Lithium battery fully charged after trying to unplug the power, a long time connected to the power for items such as cell phones or a certain security risk.
2. For the current lithium battery cell phone power does not have to be full, but the phone power is too low when it is best to charge in time, the phone power is too low still using the phone is very harmful, will damage the performance of the phone battery and reduce the life of the phone.
3. When the lithium battery is full, the control chip inside the phone will disconnect the battery from the charger, this time the phone itself is powered by the charger, the battery does not discharge, naturally will not consume the life. If the phone has been charging it will lead to the body heating up.
4. The protection device can fully cope with excessive charging and discharging, short circuit, high temperature and other problems, and timely stop the internal electrochemical reaction of the battery, unless the quality of its own problems, there is no risk of explosion, but the full charge is best to unplug the power, the battery has been kept in a fully charged state will be detrimental to the battery capacity.
5. Li-ion battery reaches the full state of the negative electrode by the lithium ion embedding reaction into the deposition of lithium metal on the surface of the negative electrode, the solvent is oxidized, with the increase in battery temperature, lithium metal and solvent, embedded lithium carbon and solvent reaction occurs one after another, the battery fire, explosion.
These are the consequences of excessive frequent charging or overcharging of lithium batteries. The operation that will really damage the battery is to use the phone's electricity to automatically shut down, which may cause the lithium ion to lose activity and reduce the total power, so that the battery life is reduced. In short, the lithium battery charging in line with the principle of "eat less, eat more" is good, do not worry about your frequent shallow charging and discharging will affect the battery, but this will help to extend its life.
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