Tesla is hardly a major manufacturer, but others qualify. They do think big though. Maybe someday.
On Fri, Mar 13, 2015 at 4:57 PM, Larry Gales via EV <[email protected]> wrote: > For both leasing and battery swap to be practical, you don't need to have > all manufacturers adhere to a common standard (though that would be nice), > but a major manufacturer such as Tesla could have their on swap stations > that serve their own type of vehicles. > > On Thu, Mar 12, 2015 at 5:44 PM, EVDL Administrator via EV < > [email protected]> wrote: > > > As I see it, the model for successful battery exchange in EVs is the > lowly > > flashlight (torch). The cells come in 4 basic sizes, with two of these > > most > > commonly used (AA and D). Effectively, you have 2 or maybe 4 tiers of > > energy content and power capacity; then, within each tier, you use more > > cells to get more of both. > > > > To make battery exchange work with EVs, you'd have to get all the EV > > manufacturers to agree on one or two standard module sizes. They'd need > > standardized connections that mate as the battery is installed, just as > > flashlight battery connections do. You'd have different capacities > > (through > > different chemistries) in a given module size, and also vary the capacity > > by > > the number of modules the EV used. > > > > For affordability and convenience, you'd have to fully automate the > > exchange > > process. The driver would pull into the exchange bay, pay the operator, > > wait a couple of minutes, and drive out with a freshly charged battery. > > Most likely the modules would have to attach from the bottom, with > > hydraulic > > lifts and conveyors doing the work. You could have one pit to remove the > > spent battery, and another to raise a fresh one into place. The EV would > be > > moved from one pit to the next on tracks. You should be able to exchange > > an > > EV's battery even faster than a gas pump can fill an ICEV's tank. > > > > This model might have worked IF all the EV manufacturers could have > agreed > > on it from the start. But making that happen would have been a huge > > challenge, and now it's just about impossible. Then, building all the > > exchange stations would require a stupendous investment. > > > > All this is pretty daunting. Just ask Shai Agassi. > > > > So, I wouldn't say that battery exchange is a stupid idea, but I'm afraid > > it's not a very practical one. > > > > David Roden - Akron, Ohio, USA > > EVDL Administrator > > > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > EVDL Information: http://www.evdl.org/help/ > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > Note: mail sent to "evpost" and "etpost" addresses will not > > reach me. To send a private message, please obtain my > > email address from the webpage http://www.evdl.org/help/ . > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > > > > > _______________________________________________ > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > For EV drag racing discussion, please use NEDRA ( > > http://groups.yahoo.com/group/NEDRA) > > > > > > > -- > Larry Gales > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150313/ec1137a7/attachment.htm > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -- To invent, you need a good imagination and a pile of junk. Thomas A. Edison <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 585-6737 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 631-1451 Cell [email protected] <[email protected]> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150313/ee2f1494/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
