Because supercaps are very lightweight in comparison to additional batteries, the numbers might work out differently than simply adding a battery. But I see the point.
Also, by the time supercaps are actually useful they might have gained a lot of weight. All rank speculation. On Tue, Nov 25, 2014 at 3:13 PM, EVDL Administrator via EV < [email protected]> wrote: > On 25 Nov 2014 at 11:30, Michael Ross via EV wrote: > > > I heard Elon Musk comment that he thought there might be a possibility > that > > super caps could be at least useful on EVs if not a replacement for > battery > > cells. > > Years ago Solectria found that by leveling the load on a lead battery, > reducing its peak current requirements, supercaps / ultracaps could improve > an EV's range. Unfortunately, though, it was a little more complex than > just paralleling them with the battery. > > http://www.evdl.org/docs/supercap_leveler.pdf > > > http://web.archive.org/web/20010426054622/http://solectria.com/ultracap.html > > You could also get a significant range improvement by adding another couple > of batteries, and for a lot less money. > > OTOH you can say this about any strategy that improves EV efficiency. It's > usually cheaper to throw more stored battery energy at the problem. But > think about it this way : a lot of us would sneer at an automaker that > didn't bother trying to improve their ICEVs' mpg, but instead bolted in a > larger gas tank. > > 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) > > -- Put this question to yourself: should I use everyone else to attain happiness, or should I help others gain happiness? *Dalai Lama * Tell me what it is you plan to do With your one wild and precious life? Mary Oliver, "The summer day." 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) 550-2430 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 631-1451 Cell (919) 513-0418 Desk [email protected] <[email protected]> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20141125/9365e226/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)
