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Ev Archive for February 1999
1347 messages, last added Wed Aug 08 18:44:27 2001

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Re: BEST VEHICLE FOR DISTAN



Bill.....   Do you have an email contact for Rick ?  I'd like to talk to
him about the NiMH packs.

Thanks,

Bill Moore
Editor in chief




>Ranger EVs, >300 EV1's (comming someday)...
>
>Rick Ostrov, of GM's EV1 program, indicated at a
>recent EV1 owners meeting that while the Ovonic
>packs they are putting into the EV1's this year
>will have @70 wh/kg, the almost-ready "Ovonic-2"
>packs are at 90 wh/kg, and the "O-3" packs that
>should be out within a couple years deliver a
>staggering 120 wh/kg...that's signficantly higher
>than Sony's Lithium Ion battery.
>Volumetric energy density, as well as specific power
>(note the hybrids that use NiMH packs) is also increasing.
>
>Ostrov indicated that a certain advanced PbA
>battery they are looking into delivers an amazing
>56 wh/kg at the D/3 rate. I was blown away by that!
>We're talking about nearly double what an average
>Delphi, or an average Concorde, or average flooded
>puts out!
>
>Imagine a NiMH battery pack that weighs a mere
>100 kG (@221 lbs), with 12 kwh of capacity...
>a combo for a truly svelte little EV with 90+ miles.
>Or a bigger, distance EV that goes 250 miles while
>only needing an 800 lb pack.
>
>I propose that, barring an abrupt cut in the petroleum
>supply, NiMH is by far the best (perhaps only) chance
>for a widely acceptable EV.
>
>/wk




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