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9524Re: [solectria_ev] Charger with Li and BMS

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  • paul dove
    Nov 25, 2013
      That is what I thought you meant.

      But I thought you were talking about Lithium batteries. Lithium Fe Phosphate batteries don't need to be constrained. If they swell it is because you damaged them.
      They won't swell under normal operation.


      From: Charles Bliss <cbliss@...>
      To: solectria_ev@yahoogroups.com
      Sent: Sunday, November 24, 2013 7:53 PM
      Subject: Re: [solectria_ev] Charger with Li and BMS

       
      Cells can expand and contract.  Putting plates on the end of a string under compression keeps the swelling from tearing the batteries apart.  A common method is to make plates that are the same size as the battery profile and holding them in place with shipping banding.  A more expensive method is to build boxes that have a means of pulling in the ends of the boxes to keep the cells under compression.

      On 11/24/2013 4:32 PM, paul dove wrote:
       
      What's a compression end plate?




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