paul dove via EV wrote:
The main point is that a lithium battery fire is a chemical fire supplying its own oxygen so it can’t be smothered. One must remove the heat and bring the temperature of the the battery below the thermal run away point. I watched videos of firemen trying to douse a lithium battery fire and it keeps flaring up because the turn off the hose when the fire goes out before they have sufficiently cooled the battery
Not only that, but a battery can provide its own source of ignition. Even after being extinguished and totally cooled off, there can still be enough voltage and current so a short somewhere can produce enough heat to re-ignite it.
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