>> LFP promises better fire behavior than older Li-ion technologies, I think.
replyLFP's thermal runaway threshold is higher than other lithium ion battery types, but once TR starts, LFP generates more hydrogen gas that can explode if not air-vented out fast enough.
I suspect for extremely large batteries or seasonal shifting (summer->winter) flow batteries will still have a place, but I could be wrong.
replyThermal batteries make more sense for that, but they need to be super-cheap. One possibility:
replyFlow batteries aren't any good for seasonal shifting; the capex per kWh-capacity is much too high. Granted, ordinary batteries aren't good for that either.
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