I believe the patent(s) have timed out, and with that, the core legal
wranglings have as well.
Bill D.
On 3/14/2022 7:05 AM, EV List Lackey via EV wrote:
On 13 Mar 2022 at 10:59, Michael Ross via EV wrote:
I suppose this explains a lot about why Tesla (and Straubel) are leaning
hard towards LiFePO. Nickel and manganese, etc., are a problem? Don't use
them.
LFP has been (and I think still is) markedly lower in both energy density
and specific energy. But it counters that with longer life, lower cost,
better inherent safety, and more common raw materials.
Since we don't seem to be able to get the automakers to give up their
constant drift toward ever larger vehicles, the downsides of LFP become less
significant. A bloated SUV or massive pickup has lots of room for a big LFP
battery, and the battery's weight is less of a big deal when the wallowing
whale already weighs 2 tons or more.
That said, I don't know what the legal situation is with LFP. I seem to
recall that licensing restrictions were one reason most of the LFP 10-15
years ago came from China. Maybe someone can update us on that.
David Roden, EVDL moderator & general lackey
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