Image Acquisition and Analysis of Lithium-Ion Battery’s Thermal Runaway

In order to avoid the lithium-ion battery’s security accidents caused by shooting in large military energy storage bases, it makes sense to monitor the entire failure process of the lithium-ion battery in the shooting test. The battery damage form, bullet hole metal droplets and other image data are obtained using high-speed cameras, digital cameras, infrared thermal imaging cameras, etc. And the mechanism of thermal runaway of battery is analyzed from two aspects of mechanical abuse and thermal abuse. The results show that the lithium-ion battery has six types of damages such as explosion, spitfire, fire, smoke, fume and leakage.