[chbot] LiPo batteries

Kay edgecumbe kayedgecumbe at hotmail.com
Fri May 17 00:52:28 BST 2013


 add this   the lithium phosphate is in the carbon fill and the alloy copper foils are just the collectors

 



From: kayedgecumbe at hotmail.com
To: chchrobotics at lists.linuxnut.co.nz
Subject: RE: [chbot] LiPo batteries
Date: Fri, 17 May 2013 11:48:49 +1200




from an expolsion due to over chageing this was the result
 
http://www.storydad.com/forum/index.php/topic,615.msg3114.html#msg3114
 
the carbon was distributed widespread and the alloy foil and copper foil as well  
the explosion did not wake me up so probably a fizz whoosh.
 
other chemistries are a lot more explosive
the over charge probably produced a gass that eventually overcome the tiny vent hole and blew the contents all over the workshop
 
lesson learnt  use a BMS
 
 

> Date: Fri, 17 May 2013 11:17:09 +1200
> From: list0570 at paradise.net.nz
> To: chchrobotics at lists.linuxnut.co.nz
> Subject: [chbot] LiPo batteries
> 
> How safe is it really to have LiPo batteries around the house?
> 
> I was thinking of using some of the 1-cell hobbyking offerings as backup
> for some microcontrollers. Then I read the reports of what these
> batteries do to people, like burning the house down, but I don't fancy
> having the chemical smoke of one of them's guts in the house either.
> 
> What would people consider to be safe handling precautions in terms of
> charger, charge location and storage? What about charging them
> in-circuit?
> 
> Thanks,
> 
> Volker
> 
> -- 
> Volker Kuhlmann
> http://volker.dnsalias.net/ Please do not CC list postings to me.
> 
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