-(2)What common sense should be paid attention to when charging and discharging lithium batteries?

(2)What common sense should be paid attention to when charging and discharging lithium batteries?
author:enerbyte source:本站 click285 Release date: 2023-11-30 10:25:27
abstract:
3. Prevent frequent deep charging and discharging: Lithium ion batteries have no memory, and many people like to use the battery to the fullest when using lithium electric cars or lithium digital products (maintenance board maintenance) before charging. In the eyes of many people, this is also...

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3. Prevent frequent deep charging and discharging: Lithium ion batteries have no memory, and many people like to use the battery to the fullest when using lithium electric cars or lithium digital products (maintenance board maintenance) before charging. In the eyes of many people, this is also a way to activate the battery;

4. During charging and discharging, the current of the charger and the general current load of the appliances are required to be within the prescribed range: excessive current load can easily cause internal short circuits in the battery, thereby damaging lithium ions and posing a safety hazard to the circuit;

5. Lithium ion batteries are temperature sensitive, and if used for a long time below freezing point, it may have a significant impact and harm on the battery's lifespan. If left in an overheated environment for a long time, the lifespan of the battery will be greatly reduced. In severe cases, an explosion may occur due to an increase in internal pressure. Even if there is no explosion, the battery will quickly become obsolete in high heat.

Charging and discharging requests for lithium-ion batteries:

Charging of lithium-ion batteries: Based on the structural characteristics of lithium-ion batteries, the maximum charging interruption voltage should be 4.2V, and overcharging is not allowed, otherwise the battery will be invalidated due to the excessive removal of lithium ions from the positive electrode. Its charging and discharging requirements are relatively high, and dedicated constant current and constant voltage chargers can be used for intermittent charging. Generally, constant current charging is switched to constant voltage charging after reaching 4.2V/kWh. When the constant voltage charging current drops below 100mA, intermittent charging should be performed.

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