What is thermal runaway?

Thermal runaway is a process in which the temperature in the battery becomes so high that the conditions change, resulting in even higher temperatures. Consequences are the release of (hazardous) gases, often a very fierce blaze, projections of electrolytes and metal parts.

How does thermal runaway occur?

Thermal runaway can be caused by various factors. The most common causes are:

– Overcharging the batteries (often due to incorrect chargers)
– Damage
– Overheating
– Short circuit
– Discharging the battery too quickly

Why is a battery difficult to extinguish?

So why is a lithium battery fire so difficult to extinguish? The biggest risk of Lithium-ion batteries is that they go into thermal runaway. This chain reaction cannot be extinguished with a normal extinguisher.

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