There are several reasons for the high temperature of lithium batteries:
1. The charging temperature is high, related to the charging current, the fast charging heat, the temperature is higher than the slow charging.
2. Charging while using (such as playing games) the temperature is high, which is due to the heat of the battery and charging circuit when charging, coupled with the high power consumption of the CPU and display chip during the game, resulting in high temperature.
3. When the battery temperature is high, the power consumption of a certain part of the circuit increases causing the current to increase, causing the battery and chip to heat up.
Possible reasons are as follows:
The lithium battery itself has problems, the aging of the battery, the internal resistance becomes larger, the electrolyte dries up, and the internal short circuit causes heat.
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● The electric vehicle lithium battery solution forms sulfuric acid crystallization during the charging and discharging process, precipitates and sticks on the lead plate, resulting in increased battery resistance and heating.
Lithium battery heating phenomenon is a common phenomenon in life, often appear in the use of lithium battery as a power supply of mobile phones, laptops and other wireless household appliances, due to the lithium battery in the discharge of the battery inside the chemical reaction, produce a lot of heat energy, resulting in a rise in battery temperature, so that we touch the hand will feel the temperature, which is a common phenomenon in most lithium batteries.