You may be confusing power and energy On Apr 7, 2015 2:59 PM, "Bill Dennis via EV" <ev@lists.evdl.org> wrote:
> Their current version of the battery has only 40 watts of electricity per > kilogram compared to lithium's 100 to 206 W/kg power density--so you'd need > more of them to get the same power. That might get better as they improve > the cells, of course. > > Bill > > -----Original Message----- > From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ben Goren via EV > Sent: Tuesday, April 7, 2015 2:11 PM > To: Electric Vehicle Discussion List > Subject: [EVDL] Aluminum battery from Stanford offers safe alternative to > conventional batteries > > Does anybody know any more about this research? > > http://news.stanford.edu/news/2015/march/aluminum-ion-battery-033115.html > > Aluminum anode; graphite cathode. Unspecified salt for the electrolyte. > > It's only about two volts. The rest of the specs are vague...nothing at all > about capacity. They claim super-fast charging times without indicating how > much energy the batteries actually take on. They claim several thousand > charge cycles. No mention of energy density per mass. The prototype is > bendable, in what looks for all the world like a mylar ziploc bag. They > show > the battery being drilled into with minimal ill effect. > > I find it intriguing to consider for an electric vehicle...because a > super-fast charging time, if real, would similarly imply a super-fast > discharge rate. It gives the appearance of being technology within the > reach > of an hobbyist to manufacture. Form factor is obviously quite literally > flexible. > > In other words...I can almost imagine building a battery like this, myself, > at home, to put into a car conversion. Or, if it's too heavy for vehicles, > then to stick in the closet to pair with the solar PV array. > > Any experts out there have any good water to throw over me? > > b& > _______________________________________________ > 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) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150407/258f26c7/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)
