Sledge
08-23-2006, 09:13 PM
Take a Scion xB, remove the exploding piston thingy and fuel tank, add an 120kW AC motor and inverter and 5,300 18650 Li-Ions.
http://www.stefanoparis.com/pi....html (http://www.stefanoparis.com/piaev/acpropulsion/eBox/ebox.html)
http://i8.tinypic.com/25gcweh.jpg
http://i8.tinypic.com/25gcwvk.jpg
Hi Sledge:
___Thanks for the links and info … Although the conversion price is steep, can you imagine if this was OEM? I have been trying to find the price for a 30 kWh pack of the latest Sony 26650 VT’s ( http://www.sony.net/SonyInfo/News/Press_Archive/200412/04-060E/) w/ a cap of 2.5 Ah, max output of 50 A, and possibly upwards of 10C rates? Where the heck are these things and what are there prices? Given the supposed initial release back in January of 05?
___The various 18650’s used in this Scion xB conversion should cost < $20K yet the conversion is $55K The Electric motor, controllers, smart charger, and inverter/converters should not be anywhere near $35K so someone is trying to make a nice development $ off the early adopters … Li-Ion’s are about ready to explode (not in the thermal runaway sense ;)) and when they do, it comes down to the inverters/converters for powering everything else, BCM’s to control the cels, and the motor itself. Motors are relatively cheap by comparison to an ICE. We are getting closer and I have the feeling some awfully big wigs in all kinds of oil and transportation industries all over the world are beginning to get a little nervous about what happens when/if the inexpensive and safe Li-Ion’s actually do hit the streets. All those companies that refuse to change with the new paradigm will go bankrupt by not following the sea change … The Nukes and Coal fired plants to power tomorrows PHEV’s are being readied even now and once this happens, big oil will be staring at an awfully messy hole still filled with that once expensive gooey stuff but no way to compete with the cleanliness of an EV/PHEV on a SMOG or GHG related basis. Hopefully for good if we CO2 sequester the many new coal based units that will be put up over the next 50 years? The technology is there today and it is not really all that much more expensive if you are willing to pay ~ $0.02/kWh + more then we do today. In terms of small EV’s the size of the Prius or Focus, it would cost ~ $30.00 to drive your mid-sized EV 1000 miles and sequester the CO2 from the coal powered electric plants output by my back of the envelope calculations. This is peanuts compared to the average 21 mpg automobile today which costs ~ $140.00 to drive that same 1,000 miles on fossil fuel at $3.00 per gallon! $30.00 vs. $140.00 … I guess the fossil fuel energy companies better figure a way to suppress the Li-Ion like they did the NiMH’s or they will lose there massive yet profitable CO2 emitting business overnight? Some of us will be able to put up a future and soon to be inexpensive total PV solutions to charge our EV’s at home and then the CO2 issue will have been solved before it ever got started!
“The future is so bright I gotta wear shades”
___That is if this whole thing works out like I hope it does ;) AC Propulsion and Tesla are two companies readying for the sea change. Mitsubishi Auto is so close they can taste it but I do not know if they will be around along enough to see the initial explosion. Either way, I for one cannot wait to see it happen …
___Good Luck
___Wayne
lyeinyoureye
08-24-2006, 11:59 AM
“The future is so bright I gotta wear shades”
Once gas hit the $3 per gallon, i.e. ~11 cents per kwh, electric was the clear economic winner due to similar costs per kwh, and ~three times the efficiency, or the equivalent of $1 a gallon. Even lower cost, heavier, Saft STM NiCDs have a 3,000 cycle @ 80% DOD lifetime with a drop to ~75% of capacity, which, assuming a battery pack built to go ~50miles and a 30mile rt commute means a usable lifecycle of ~90k miles, probably more considering we'd be at ~60% DOD daily. I'm not sure about the cost, but they'd have to be ~$4,000 per battery pack to break even at 100k miles compared to gas at $3 a gallon. Of course this doesn't include the reduction of maintainence, no oil, air, fuel filters. No smog, no plugs or wires... etc. The motor would last forever, so the owner wouldn't need to buy a new car every 200k miles. Supposedly, these batteries are ~$500kwh, so an Insight would need a ~8kwh pack for 50mph highway use, and a compact like the Echo/Fit/whatever would need ~12kwh pack during the same conditions. So ~$4-6000, or breakevensville, not counting the reduction in other lifecycle costs.
:woot:
