[SGVLUG] Tangential topic: new battery tech

[Thomas Moore]

I did a very simple calculation, ignoring all possible sources of
weight except the lithium and come up with an energy density
less than 1/10th the numbers quoted in this paper.

Tom

Emerson, Tom (*IC) wrote:
> >From my "Prius technical Stuff" list - imagine the run time of a laptop using one of these "batteries"
>
> Better still, imagine the run-time of a MAINFRAME using this as a power source...
>
> -------- Original Message --------
> Subject: [PTS] Credible battery research
> Date: Tue, 28 Jul 2009 19:10:41 -0000
> From: Robert J. Wilson <bwilson4web at gmail.com>
>
> Hi,
>
> When looking for a high energy density battery, I've long known metal-air was the way to go. It looks like the Japanese have made impressive progress:
>
> http://www.greencarcongress.com/2009/07/aist-lithium-20090727.html#more
>
> Energy densities like this make electric aircraft possible.
>
> Bob Wilson
> ===================================
>
> [TE] note the comments at the end - someone pointed out that a roughly 50-pound battery would power a Tesla roadster for a year before needing a recharge...  (the current tesla pack is something on the order of 600 pounds - I don't know whether or not the commenter took into consideration that 550+ pounds of battery are no longer being carried around...)
>
>
>