Why does the electric car battery catch fire?

Everyone should have seen electric car batteries catch fire in some news, and most electric car batteries on the market are lead-acid batteries, and lead-acid batteries will not catch fire. So, what caused the fire? The author will show you.　　 1. The pool connection line is not secure when connected, and the connection point is not protected after connection to cause ignition or fire.　　2. The pool connection line does not meet the requirements for use and causes a fire. For example, the connection line is too thin to meet the charging and discharging current requirements, and the connection line has no high temperature protection or wear protection.　　3. When installing the connecting wire, no protection measures were taken to isolate it from the car body frame, causing the connecting wire to wear out and cause a fire.　　4. The tank installation box is too sealed, causing an explosion and fire caused by the inability to discharge the battery charging and discharging gas.　　 5. Fire caused by malfunction of charging equipment.　　 6. Fire caused by household wiring problems.　　 7. Fire caused by charging in a high temperature environment or a closed environment.　　 The above is the cause of the fire in the electric vehicle battery. I hope everyone can help after reading it. You should also pay attention to prevent fire in daily use! Previous: How to buy an electric vehicle battery?