On 08/10/2013 16:54, "Lee Hart" <[email protected]> wrote:
>tomw wrote: >> Statements like this aren't very helpful Lee: >> /"So far, none of the lithiums I've tested except A123 cells have met >>their >> specs. In particular, most lithiums are shot in 3-5 years. "/ >> >> What brand cells have you tested, and how large a sample size of each? >>Were >> they all new cells purchased from the manufacturer by you? What >>chemistries >> were tested, and the sample size of each? Was there significant >>variation >> in lifetime between the different chemistries? What were the cycling >> conditions? > >I have posted this information as I get it, over and over, on the EVDL. >Frankly, people don't really want to hear it. If someone just bought >$10,000 worth of batteries, they don't want to hear that there could be >any problems. People fervently *want* to believe that they are wonderful. > I've driven a Tesla Roadster more than 48,000 miles in 3.5 years and see almost no degradation... given this car is using 'commodity' cells I think the claim that "most lithiums are shot in 3-5 years" is way off the mark. Regards, Kevin Sharpe | Founder & Patron | Zero Carbon World _______________________________________________ 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)
