What are the characteristics of a fire in a power lithium battery?

A major feature of the burning of power lithium batteries is the high temperature. According to the NFPA experiment, the maximum temperature outside the battery during combustion can reach 283-1090 degrees Celsius, and the temperature inside the battery can reach 577-1121 degrees Celsius. Such a high temperature is enough to ignite the battery module. Other combustible materials in the interior and in the car caused greater fires. 3. Difficulties in extinguishing. Regarding the power lithium-ion battery, most of the combustion reaction occurs inside the battery shell. The battery shell hinders the use of the fire extinguishing agent. In practice, the extinguishing time of the power lithium-ion battery fire is often longer than that carried by firefighters. The oxygen supply time of the oxygen cylinder poses a certain threat to the personal safety of firefighters. 4. Spontaneous combustion and explosion for a long time Lithium batteries can ignite spontaneously, and then explode due to overheating. The causes of overheating include electrical shorts, rapid discharges, overcharging, manufacturing defects, poor design or mechanical damage, and so on. Overheating will lead to the appearance of a thermal runaway process, that is, the exothermic reaction inside the battery will cause the internal temperature and pressure of the battery to rise at a rapid rate, thereby wasting energy. 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 article: Which parts of the mobile phone lithium battery?