Where are these mythical cells? They sure aren't from CALB.
Al
On 7/8/2020 8:06 PM, Bill Dube via EV wrote:
I don't think that LiFePO4 has made any remarkable gains in specific
energy.
What LiFePO4 does have is spectacular cycle life. If manufactured with
some degree of care, you get 15,000+, 100% SOC, 1C cycles @ 25 Celsius
from LiFePO4 without going below 50% of the original capacity. They
just keep going and going.... You have to seal the case well enough to
keep air and water out, and use paste, separators, etc. that are also
reasonably free of water and air on the inside.
Thus, a "million mile" battery has always be possible to make with
LiFePO4 cells. You just have to be motivated to use quality cells, and
to actually build it. You also need to be motivated to drive the car
that many miles. :-)
200 miles per charge, times 15,000 charge cycles = 3,000,000 miles.
Even at 5000 cycles, that run-of-the-mill LiFePO4 cells achieve, this
gets you a million miles.
Bill D.
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