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[OM] Re: lithium iron phosphate batteries, was: TSA: Safe Travel with

Subject: [OM] Re: lithium iron phosphate batteries, was: TSA: Safe Travel with Batteries and Devices
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Wed, 02 Jan 2008 13:51:24 +1100




> Andrew Fildes <afildes@xxxxxxxxxxxxx> wrote:
> 
> 
> Wot, it's difficult to hold the stuff down?

Yep !

> I would have thought that the main problem is very low energy yield  
> for bulk.
> LPG is way down on petrol and methane even lower so I would assume  
> that H2 would lack ooomf to say the least.

Yeah, to get a reasonable "energy density" it needs to be liquid for 
storage/transportation, not a problem for natural gas, just requires moderate 
pressure, but for H2 it needs to be cooled (about 20K ?) which presents extra 
problems.

...Wayne


Wayne Harridge

http://lrh.structuregraphs.com

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