The principle of charging and discharging low-temperature lithium batteries.

  The working principle of low-temperature lithium batteries is the principle of charge and discharge.When the battery is rechargeable, the positive of the battery generates lithium ions, and the generated lithium ions move to the negative through the electrolyte.As negative carbon has a layered structure, there are many negative lithium ions embedded in the micropores of the carbon layer. The more lithium ions embedded, the higher the charging capacity.

  In the charging and discharging process of low-temperature lithium batteries, lithium ions are in a positive →negative →positive activity state.If we compare the low-temperature lithium battery figuratively to the two batteries at both ends of the rocking chair, the lithium-ion battery is like a good active athlete, running at both ends of the rocking chair.Therefore, experts have given cryogenic lithium batteries a hateful name, rocking chair batteries.

Charge and discharge request for low-temperature lithium batteries.

  1.Charging of low-temperature lithium batteries.

  The charging termination voltage of a single low-temperature lithium battery is 4.2V, which cannot be charged moderately.Otherwise, if there is too much loss of positive lithium ions, the battery will give up.When charging low-temperature lithium batteries, please take a constant current and constant voltage charger. After charging the constant current to the low-temperature lithium battery with a voltage of 4.2V, the constant voltage charging current transferred to the constant voltage charging mode drops to 100mA, please end the charging.

  2.Discharge of low-temperature lithium batteries.

  Because of the internal structure of low-temperature lithium batteries, all lithium ions cannot be moved to positive during discharge. In order to ensure that the lithium ions may be smoothly embedded in the channel during the next charge, it is necessary to insist that the local lithium ions are negative.Otherwise, the battery life will be shortened.In order to ensure that there is local lithium battery left in the graphite layer after discharge, the discharge termination voltage must be strictly limited, that is, the low-temperature lithium battery cannot be discharged.The discharge termination voltage of a single low-temperature lithium battery is usually 3.0V, and must not be lower than 2.5V.The battery discharge time is related to the battery capacity and the size of the discharge current. 

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