What happens if the battery cannot be charged?

Recently, the boss reported that their electric car battery was scrapped, but the electric car has just been bought, but it is left without care for a month, and the scrapped battery cannot be charged directly. I believe that many friends have encountered similar problems on this day. The following author will answer us Question. 1. What kind of problems are the battery not charging? In fact, the above situation is due to the battery being not charged for a long time, and the battery board is attacked by the phenomenon of irreversible sulfate alkalization, which leads to battery problems. The important properties of the sulfuric acid board are: the voltage rises rapidly when charging, the gas is precipitated prematurely, and the temperature rises rapidly; when discharging, the voltage drops quickly and the capacity is small. 2. Reasons for irreversible sulfation of the battery board 1. The storage time is too long, the battery self-discharge rate is high, and the battery is not maintained or recharged. 2. Continuous over-discharge or frequent over-discharge or low-current deep discharge. 3. After over-discharge, the power supply will not be restored within 24 hours. 4. Overcharge or often undercharge. 5. Without charging, the battery works with high current. 6. Too high or too low ambient temperature will affect the function of the battery. For example, as the temperature rises, the salinization rate doubles for every 10 degrees Celsius added. 7. Short electrolyte. The liquid level is too low due to excessive transpiration of water or accidental leakage of electrolyte, which causes the liquid level to be exposed on the plate for too long, forming a sulfate upper plate. 3. The battery should be placed carefully. The battery will starve to death if you do not eat food for a long time. We should pay attention to the maintenance of the battery in our daily life. After leaving the electric vehicle for more than a week, pay attention to the charging and discharging of the battery. At the same time, we must prevent the onset of the above situations. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Origin and Development of Lithium Batteries