-(3)The characteristics and charging methods of lithium batteries

(3)The characteristics and charging methods of lithium batteries
author:enerbyte source:本站 click290 Release date: 2023-11-27 08:57:00
abstract:
2. Pre charging: If the voltage of a single battery is lower than the set voltage value, the charging cycle first enters the pre charging time. Generally, if the voltage of a single battery is set to be less than 3.0V, it enters the pre charging time as long as it is lower than this voltage...

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2. Pre charging: If the voltage of a single battery is lower than the set voltage value, the charging cycle first enters the pre charging time. Generally, if the voltage of a single battery is set to be less than 3.0V, it enters the pre charging time as long as it is lower than this voltage

3. Constant current charging: As long as the voltage of a single battery is higher than the set voltage value, the charging cycle enters constant current charging to charge the battery with the maximum current. Generally, the voltage set for a single battery is 3.0-4.2V

4. Constant voltage charging: When the battery voltage reaches the set value during the charging process, the charging cycle enters constant voltage charging. In constant voltage charging, the voltage remains unchanged, and the current gradually decreases from the maximum value. When the current decreases to the set value, the battery is fully charged. Generally, the set current is 50mA

5. Temperature monitoring: During the entire charging process, the temperature of the battery is accurately determined through an external thermistor, achieving real-time monitoring of the battery to prevent damage or harm to the battery caused by excessively high or low temperature

6. The nominal voltage of individual cells in lithium-ion batteries is generally 3.6V, 3.7V

The charging voltage of a Li ion battery is generally 4.23V-4.26V

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