On Fri, Feb 28, 2014 at 12:45 AM, Chris de Morsella <[email protected]>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 gives a damn about > (Wh/kg) and three times the volumetric density (Wh/L) of Li-ion technology. > > Lithium air has a theoretical specific energy of 11,140 wh/kg (lithium > metal is around 45 Mj/kg) - you could fly an all-electric turbine jet with > that kind of energy density. > > Le 28 févr. 2014 00:50, "LizR" <[email protected]> a écrit : > > On 28 February 2014 07:47, John Clark <[email protected]> wrote: > > Lithium batteries are the most energy dense batteries in use today and > also the most expensive, they can store .72 megajoules per kilogram, > gasoline stores 44 megajoules per kilogram; so gasoline is 61 times more > energy dense than the best batteries and is far far far cheaper. > > > > Are you talking about the real costs here or just the cost at the pump > (which is of course subsidised massively by ignoring its environmental > effects) ? > > I mean the real cost MAY be cheaper but you have to factor in saving the > Earth... > > > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/groups/opt_out. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/groups/opt_out. > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/groups/opt_out. > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
