Decent paper on batteries: https://www.bcg.com/documents/file36615.pdf
Not sure its age, at least a few years old. On Sun, May 3, 2015 at 3:39 PM, Peter Eckhoff via EV <[email protected]> wrote: > There were some nice Power vs Energy density figures awhile back for the > various battery types. Most resembled fat right parenthesis ")"s as > battery energy was traded for power and vice versa. The lithium ion curves > have evidently shifted to greater power and energy levels. Lead Acid was > in toward the (0,0) corner. > > It was either DOE or the ABC (battery consortium) that put together some > circle diagrams where each spoke addressed a characteristic about a > battery. One spoke was safety, another cycle life, another $/kwhr, etc. A > standard was set for each characteristic and a red line connected the > battery performance points relative to the goal for that standard. If the > battery had a high potential to ignite, the point was in toward the center > to zero. If low, the red line could be out away from the center. If the > battery met all the goals, the red line was out away from the goal line. > It was a quick way to visually see how well the battery was performing. > > The recent link to the Jeff Dahn video on battery testing indicated that > different battery electrolytes could dramatically change the energy density > and cycle life. > > With the rapid pace of development and new tools for measuring battery > performance, any chart could become outdated quickly. > > As is often said here: "There are lies, damn lies, and battery > statistics." Who did the testing? Were they objective or were they more > interested in helping the manufacturer sell batteries? > > If you really want to know a battery, you have to test it, work with it, > and try it out in your application. Does it work for you? > > Welcome to a Smorgasbord of battery types and info. > > > On 5/3/2015 1:21 PM, ken via EV wrote: > >> Is there a chart that shows all batteries types and the number of >> cycles, >> enegery density, heat runaway,etc. >> >> I guess theres something called MCM lin min ??? >> >> they seem to be a lttle cheaper than lifeo4 but the voltage far off a >> lttle faster .. >> >> _______________________________________________ >> 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) >> >> >> > _______________________________________________ > 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/20150503/7d2a88ef/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)
