Friday, September 7, 2012

Re: [Electric Boats] battery cost comparison - now long term cost too.

 

P.S. As I have never seen a post about a "bricked" LiFePo cell that did not involve an imbalance bank or C-rate of 4 or more (mostly in the paraglider or dragster forums)  Where did you see reports of LiFePo deaths from cycle life?  Just curious? 

Hopefully you are not confusing LiFePo prismatic or pouch cells with other lithium chemistries used in power tools and laptops?  Which do have a history of suffering premature deaths from internal shorts.  

Either way I like seeing contradicter information, so any links you have would be fantastic. 




On Sep 7, 2012, at 5:54 AM, GNHBus@aol.com wrote:

 

Both questions are valid, however I would address each product separately regarding cycle potential.

Has anyone seen valid data from a Lith Supplier that shows a Life Cycle Test Result ? 

I would imagine this data would come from the EV world, but I just have not seen anyone demonstrate the
proof. I have seen evidence of Lith Batts turning into "bricks" , (Death Cycle) so validating the (Life Cycle) only seems
appropriate to validate the Investment Cost.

Geo


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