Here, experimental and numerical studies on the gas explosion hazards of container type lithium-ion battery energy storage station are carried out. In the experiment, the LiFePO 4 battery module of 8.8kWh was overcharged to thermal runaway in a real energy storage container, and the combustible gases were ignited to trigger an explosion.
By revealing the disaster-causing mechanism of LIB energy storage station explosion accidents, it can lay the foundation for the safety design of energy storage systems and the prevention, control, and rescue of explosion accidents, ultimately promoting the large-scale application of LIBs in the field of energy storage.
The energy storage system was installed and put into operation in 2018, with a photovoltaic power generation capacity of 3.4MW and a storage capacity of 10MWh. The explosion destroyed 0.5MW of energy storage batteries. It is understood that the lithium-ion battery cell supplier of the energy storage station is LG New Energy.
4 October 2021 Battery Energy Storage Systems Explosion Hazards moles, or volume at standard conditions such as standard ambient temperature and pressure (SATP), which is gas at 1 bar of pressure and 25°C (77°F).
And the fire and explosion of energy storage stations have certain characteristics, mainly including: the types of accident batteries are mostly ternary lithium-ion batteries, and most of them occur during charging and rest periods.
The thermal runaway gas explosion hazard in BESS was systematically studied. To further grasp the failure process and explosion hazard of battery thermal runaway gas, numerical modeling and investigation were carried out based on a severe battery fire and explosion accident in a lithium-ion battery energy storage system (LIBESS) in China.