In battery pack fires, each cell may burn on a different timeline. To put out large lithium-ion battery fires, use a foam extinguisher containing CO2, powder graphite, ABC dry chemical, or sodium carbonate. Small lithium batteries contain very little lithium, so they can be doused with water. Lithium battery fire extinguishers counteract the liquid electrolytes in the battery that create conductive pathways. Lithium-ion battery fires are Class B fires, indicating the presence of flammable liquids, so a standard dry chemical or ABC extinguisher can put them out. In the case of a lithium battery fire, there are several ways to extinguish it based on the size and type of battery.Ĭlass D fire extinguishers are effective against lithium-metal battery fires. Rainwater, salty air, and humidity might cause short circuits and trigger thermal runaway even without prior damage to the battery. Damage from shredding or dismantling a battery during recycling operations can result in an explosion. Dropping a battery or jostling it excessively during transport or use can set off thermal runaway. Extreme temperatures on loading docks, cargo holds, or tarmacs can lead to overheating or fire during transit or storage. Improper storage, damage, and metal dust left over from manufacturing can cause circuits to short, leading to combustion. Triggers for lithium battery fires include: The exothermic heat given off during the reaction may be sufficient to start a fire. The reaction can happen within milliseconds to hours, depending on how quickly each cell fails. The overheating of one failing cell causes a chain reaction in the other cells. This thermal instability, referred to as thermal runaway, happens when flaming gases are vented from the lithium-ion cells in the battery. If a lithium battery overheats, it can burst into flames. Learn the risks related to lithium batteries, how to prevent a fire, and what to do to put out a lithium battery fire. Specializing in flame-retardant materials and fabrics, Tex Tech is an industry expert in handling this type of hazard. However, the popularity of this type of battery requires knowledge of what to do in the event of a lithium battery fire. They provide reliable power with recharging capabilities. Today, lithium-ion batteries are found in many electronics, from smartphones to medical devices to cars. Posted by Tex Tech Industries on October 4, 2022
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