Thermal diffusion test

2.1 Trigger Method: Heating or overcharging are recommended as optional methods for thermal diffusion testing. One method can be chosen, but the selected method should be able to trigger thermal runaway of the individual battery.  

2.2 After the triggering object battery pack is charged according to clause 6.2.2.1 of GB 43854-2024, select a single battery located near the center of the battery pack or surrounded by other individual batteries as the triggering object.