High-quality fire extinguishing agents and effective fire extinguishing strategies are the main means and necessary measures to suppress disasters in the design of battery energy storage stations . Traditional fire extinguishing methods include isolation, asphyxiation, cooling, and chemical suppression .
A composite warning strategy of LFP battery energy storage systems is proposed. A summary of Fire suppression strategies for LFP battery energy storage systems. With the advantages of high energy density, short response time and low economic cost, utility-scale lithium-ion battery energy storage systems are built and installed around the world.
Fire suppression strategies of battery energy storage systems In the BESC systems, a large amount of flammable gas and electrolyte are released and ignited after safety venting, which could cause a large-scale fire accident.
The battery module is immersed in some media (silicone oil, HFE_7100 and water) . This method can not only suppress the occurrence of fire, but also serve as a good thermal management solution. The location of the spraying agent should also be given attention due to the high temperature of the prismatic battery shell.
Wang's group built a full-scale energy storage system fire test platform in China and studied the battery cluster level fire behavior. They found that a fire in a battery pack can cause TRP between two non-contacting packs, which revealed that TR of battery packs can jump propagate through flame radiation.
Among the publicly available data, there are 6 LFP battery fire accidents, and they mainly occurred in recent years. It is worth noting that in the past three years, accidents have begun to occur in energy storage stations with a capacity of more than 50 MWh each year.
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