Cause of explosion of energy storage cabinet

What happens if the energy storage system fails?

If the energy storage system lacks effective protective measures, it may cause the expansion of battery accidents. In case of a naked fire, the flammable gas may reach a certain concentration and cause an explosion. If the energy storage device is arranged indoors, a chain explosion accident may occur.

What causes large-scale lithium-ion energy storage battery fires?

Several large-scale lithium-ion energy storage battery fire incidents have involved explosions. The large explosion incidents, in which battery system enclosures are damaged, are due to the deflagration of accumulated flammable gases generated during cell thermal runaways within one or more modules.

What causes a battery enclosure to explode?

The large explosion incidents, in which battery system enclosures are damaged, are due to the deflagration of accumulated flammable gases generated during cell thermal runaways within one or more modules. Smaller explosions are often due to energetic arc flashes within modules or rack electrical protection enclosures.

What causes a fire accident in energy storage system?

The investigation report concluded that the fire accident in the energy storage system was caused by excessive voltage and current due to the surge effect during system recovery and startup. This was not effectively protected by the BMS system.

Why are batteries prone to fires & explosions?

Some of these batteries have experienced troubling fires and explosions. There have been two types of explosions; flammable gas explosions due to gases generated in battery thermal runaways, and electrical arc explosions leading to structural failure of battery electrical enclosures.

What caused the explosion at the power station?

The sudden explosion of the power station in the north area could be explained by the safety accident induction mechanism of lithium batteries. This mechanism involves the thermal failure of the batteries under extreme conditions when they are significantly affected by internal and external sources.