Re: Hybrids - Toyota Prius Plugin

From: Eunometic (eunometic_at_yahoo.com.au)
Date: 12/06/04 

Date: 5 Dec 2004 16:30:29 -0800

alexterrell@yahoo.com (Alex Terrell) wrote in message news:<d81e59c9.0412050903.25af3b21@posting.google.com>...
> Roland PJ <roland@rolandpj.com> wrote in message news:<cotl38$17a$1@ctb-nnrp2.saix.net>...
> > Tom Simonds wrote:
> > >>Actually, I'd expect plug-in hybrids to make a big impact. A few
> > >>figures (based on high price UK petrol):
> > >
> > >
> > > I am also a big fan of the plug-in hybrid. Here's some stuff:
> > >
> > > http://www.iags.org/pih.htm
> > >
> > > and the study you post refers to is available from this link
> >
> > What you're all missing is that the Toyota Prius can be driven in
> > 'battery-only' mode.
> >
> > So, for plug-in, all you have to do is rig your own charger!
> >
> > Roland
>
> Might work for a bit, but the battery capacity is good for about
> 5-10km only, and the whole system is not designed for this. Battery
> charging needs careful electronic control to maximise battery life.
>
> But I think battery weight and life is now almost / just about good
> enough for plug-in hybrids.

If an 80kg battery pack were engineered that fitted flat in the boot
of the Prius it could contain 4.8kW.hr or energy if the battery was
60Wh.hr/kg NiMH batteries.

That amount of energy would provide a range of about 36km (assuming
about 13kw.hr/100km consumption of electricity).

The batteries could be made removable as 4 x 20kg packs so as not to
impinge on boot space or fuel efficiency for longer trips.

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