The electrolyte in lithium ion batteries is very flammable. It combusts on contact to air which is why batteries if punctured. LiFePO4 batteries don't have supe

The electrolyte in lithium ion batteries is very flammable. It combusts on contact to air which is why batteries if punctured. LiFePO4 batteries don't have super flammable electrolyte; they can burn but not easily and violently.