Hi Bruce and All,
Most Li-ion batts have a charger on each cell
to keep it inside it's thermal limits. So just a
constant voltage source should be all you need.
jerry dycus
--- Bruce EVangel Parmenter <[EMAIL PROTECTED]> wrote:
> If li-ion batts become affordable and available, my
> next
> question would be
> -what chargers have a charging algorithm for li-ion?
>
> Or what would I have to do to get my Zivan's and PFC
> to
> charge a li-ion pack?
>
> If the the newer batt chemistries need sensitivity
> to
> the batt temperature at the end of the charge, using
> a
> bad-boy would be out (unless you want to spend a
> sleepless
> night 'pack-sitting' the charge current).
>
> Most conversions will have an 'open air' batt rack
> design.
> This could be to our advantage compared to the
> production
> EVs that are locked up tight.
>
> The newer batts (li-ion, NiHM, NiZn) in our racks
> would
> be able to dissipate heat better. And if one's
> charger
> didn't taper on the temperature, perhaps we could
> make a simple charging algorithm that tapers where
> we
> think the temperature would be (at a certain pack
> voltage). Of course, hot climates would change that,
> etc.
>
> Since we are a large group of 'put it out there' EV
> drivers,
> there is going to be some brave soles to try this
> first.
> So, lets think how we can do this, and be ready for
> when
> we 'can' get our hands on these batts!
>
> Watt do you think?
>
>
>
>
> =====
> ' ____
> ~/__|o\__
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> . http://geocities.com/brucedp/
> . EV List Editor & RE newswires
> . (originator of the EV ascci art above)
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