When many users are using lithium batteries, they find that the lithium battery heats up when it is charged. What is the reason for this situation and what harm is there?

　　Lithium batteries generate heat when charging and discharging. The simple explanation is that chemical reactions generate heat.

　　It is normal for the lithium battery to have a slight heat during charging, but if the heat is severe, it is a problem with the lithium battery.

　　This problem may be caused by the following reasons:

　　- After long-term use, the lithium battery has entered the end of its life, which causes the internal resistance of the battery to increase, which causes serious heat during charging.

　　- The electrolyte inside the battery has dried up.

　　- There is a short circuit inside the battery.

　　- The lithium battery charger of the correct specification is not used.

　　The hazards of heat generated by lithium batteries during charging are as follows:

　　- Excessive heating for a long time will cause the temperature of the internal materials to rise, which will affect the performance of the lithium battery;

　　- It may cause the internal pressure of the battery to be too large and cause deformation, which may cause the battery to explode;

　　- Accelerate the aging process of the lithium battery itself and shorten its life.

　　Lithium batteries generate severe heat during discharge, which is a very dangerous risk. The cause must be carefully investigated and improved.

　　Lithium-ion battery (LIB) has become the main energy storage solution in modern social life. Among them, lithium iron phosphate batteries are a perfect replacement for lead-acid batteries, and they are the first choice for grid-connected peak shaving, off-grid energy storage, photovoltaic energy storage, UPS, data center and other industries.