Date:         Sun, 28 Jun 2009 11:02:26 -0700
Reply-To:     Roger Whittaker <rogerwhitt1@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Roger Whittaker <rogerwhitt1@GMAIL.COM>
Subject:      Re: New battery chemistries to watch for
Comments: To: David Beierl <dbeierl@attglobal.net>
In-Reply-To:  <4a47a337.12025a0a.64ea.ffff8c73@mx.google.com>
Content-Type: text/plain; charset=ISO-8859-1

Good Advice david
thank you

On Sun, Jun 28, 2009 at 10:06 AM, David Beierl <dbeierl@attglobal.net>wrote:

> At 11:54 AM 6/28/2009, Poppie Jagersand wrote:
>
>> Now I'd wouldn't run out and buy one right away. While the cell
>> technology is mature by now, there's electronics inside these
>> batteries to control charging, discharging currents and maintain
>> cell voltage balance. I'd like to see how this electronics hold up
>> in automobile service first. But the promise for the future is
>> great. A battery weighing 1/5 of the Lead Acid, lasting 10 times
>> longer and not costing much more.
>>
>
> But since lithium is an extremely active metal, always a potential
> fire hazard, and an active one if the electronics don't do their job
> correctly.  And class D fires are hard to put out.  This has already
> become a real issue with cell-phone and laptop batteries using
> lithium.  I'd think it would be preferable to relocate such batteries
> outside the passenger compartment...
>
>
>  --
> David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
> '89 Po' White Star "Scamp"
>



--
roger w
From Proverbs:
Under three things the earth trembles, under four it cannot bear up: a
servant who becomes king ...
----------------------------------------------------------
Explore printed work at: http://www.prliving.ca/
View the growing list of video work at:
http://revver.com/find/video/?query=LastonLastof&search_on=owners
and ... older work at
http://video.google.com/videoplay?docid=-7135104650374818257
http://video.google.com/videoplay?docid=3259745150182742364