Fire boundaries of lithium-ion cell eruption gases caused by thermal runaway.Lithium-ion batteries are applied in electric vehicles to mitigate climate change.  Here, we report quantitatively the three fire boundaries corresponding to the CEG fire triangle of four types of mainstream cells with the state of charge (SOC) values ranging from 0% to 143% based on 29 thermal runaway tests conducted in an inert atmosphere in open literature. 
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