On Fri, Feb 28, 2014 at 12:45 AM, Chris de Morsella <cdemorse...@yahoo.com>wrote:
> >>Well if you can store 61 times more energy, that just means there's > room for improvement in the existing batteries... Good news, if nature was > able to do it so can we I hope. > > >Zinc-air batteries, [...] offers about twice the gravimetric density > Who cares about gravimetric density? > (Wh/kg) and three times the volumetric density (Wh/L) of Li-ion technology. > And per weight that's about one thirtieth as much energy as gasoline can store, and they tend to stop working after about 3 years. > Lithium air has a theoretical specific energy of 11,140 wh/kg (lithium > metal is around 45 Mj/kg) > That's about the same as gasoline, and although no machine ever operates at its theoretical maximum if and when Lithium air batteries ever become practical and move out of the laboratory it will change the world. But there are huge technological challenges that must be overcome before that can happen, larger than what it would take to put a LFTR online although probably not as large as what it would take to put a fusion reactor online. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
