What's wrong with this?

AntonyC

Esteemed Pedelecer
Apr 5, 2022
317
135
Surrey
Is this right?

"If all Li-ion were replaced with LiFePO4 ebike fires would cease."

Figures here suggest that the space for a 500Wh Li-ion battery would hold about 450Wh of LiFePO4.
 

Woosh

Trade Member
May 19, 2012
20,139
16,779
Southend on Sea
wooshbikes.co.uk
Is this right?

"If all Li-ion were replaced with LiFePO4 ebike fires would cease."

Figures here suggest that the space for a 500Wh Li-ion battery would hold about 450Wh of LiFePO4.
LFP batteries don't explode but still burn. This is because they don't produce oxygen when entering thermal runaway.
 

AntonyC

Esteemed Pedelecer
Apr 5, 2022
317
135
Surrey
That sounds like a potential gain - if LFP fires don't develop as fast (through needing air) that would be some improvement.

I don't know if they're right but a couple of places say LFP don't catch fire on impact/puncture or shorting. I didn't find anything about other causes nor about LFP ebike fires, only that LFP batteries are used on a few cargo bikes.
 

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