Introduction to the charging and discharging principles and processes of high-temperature lithium batteries.

Introduction to the charging and discharging principles and processes of high-temperature lithium batteries.

The working principle of high-temperature lithium batteries refers to their charging and discharging principles. When charging the battery, lithium ions are generated on the positive side of the battery, and the generated lithium ions move through the electrolyte to the negative side. As a negative carbon, it has a layered structure with many micropores. Lithium ions that reach negative are embedded into the micropores of the carbon layer. The more lithium ions embedded, the higher the charging capacity. Similarly, when discharging the battery (i.e. utilizing the process of the battery), the lithium ions embedded in the negative carbon layer are released and move back to positive. The more positive lithium ions there are, the higher the discharge capacity. The battery capacity we usually refer to is the discharge capacity.  

Without showing face, during the charging and discharging process of high-temperature lithium batteries, lithium ions are in a state of activity from positive to negative to positive. If we imagine a high-temperature lithium battery as a rocking chair, with the two ends of the rocking chair being the two ends of the battery, and lithium ions are like excellent active athletes, running back and forth between the two ends of the rocking chair. So, experts have given high-temperature lithium batteries another despicable name, rocking chair batteries. The charging and discharging process of high-temperature lithium batteries is divided into two stages: constant current charging. When the battery voltage is below 4.2V, the charger will charge with a constant current. The second stage is the constant voltage charging stage. When the battery voltage reaches 4.2V, due to the characteristics of high-temperature lithium batteries, if the voltage is too high, it will be damaged. The charger will fix the voltage at 4.2V, and the charging current will gradually decrease. When the current decreases to a certain value (some times when the current is set to 1/10), the charging circuit is cut off, and the charging is achieved by turning on the indicator light.