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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


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