Why won’t the car start when it’s been parked for a long time?

Drivers have such experience, probably most people know that the battery is dead, but most people do not know why the battery is dead.

To be precise, the battery is not no electricity, but the storage of too much electricity due to self-discharge consumption, the car stopped for a long time did not get timely supplement, resulting in low voltage car can not fire. So before we talk about this question, we must say what causes the battery to self-discharge.

What is self-discharge? Simply put, self-discharge is a loss of battery capacity when not in use.

So what causes batteries to self-discharge?

1.There is self-discharge inside the battery. After the production of the battery, the internal itself with a certain internal resistance, although in a controllable range, but really part of the self-discharge.

2.Part of the electron conduction in the electrolyte produces self-discharge.

3. Internal short circuit caused by internal electronic leakage occurs self-discharge.

4. The quality of the shell material determines the self-discharge of external electronic leakage.

5. Corrosion or damage to the sealing ring lead to poor insulation self-discharge.

6.The anodic oxidation reaction is corroded and produces self-discharge.

7. Metal chips and other impurities produced in the production process produce reduction reaction and self-discharge.

8.Local decomposition of electrode active material produces self-discharge.

9. Insoluble matter and adsorbed gas make the electrode passivation and self-discharge.

10. Self-discharge occurs when the electrode is mechanically worn.

11. Self-discharge occurs when the resistance of fluid collector increases.

12. Higher temperature makes the fluid collecting activity stronger and accelerates self-discharge.

Due to the above reasons,, the battery is always in a self-discharging state, the car does not start, the power can not be supplemented, for a long time, it can not catch fire.

Post time: Jul-09-2022