Failure Analysis of Arizona Li Ion based Battery Energy Storage Unit

Failure analysis of a large Li Ion based energy storage system. Dendrite growth, shorted cell (larger pouch based), thermal runaway caused multiple cells to fail, flammable gasses built up in building, firefighters opened doors, and explosion occurred (numerous firefighters injured, one still not fully recovered???).
https://www.aps.com/-/media/APS/APSCOM-PDFs/About/Our-Company/Newsroom/McMickenFinalTechnicalReport.ashx?la=en&hash=50335FB5098D9858BFD276C40FA54FCE
Via Candlepowerforums:
https://www.candlepowerforums.com/vb/showthread.php?469768-Post-mortem-report-on-significant-Li-ion-incident&p=5407193#post5407193
-Bill
https://www.aps.com/-/media/APS/APSCOM-PDFs/About/Our-Company/Newsroom/McMickenFinalTechnicalReport.ashx?la=en&hash=50335FB5098D9858BFD276C40FA54FCE
Via Candlepowerforums:
https://www.candlepowerforums.com/vb/showthread.php?469768-Post-mortem-report-on-significant-Li-ion-incident&p=5407193#post5407193
-Bill
Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
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|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A
solar: http://tinyurl.com/LMR-Solar
gen: http://tinyurl.com/LMR-Lister ,
They may not have been the fuse, they definitely were the bomb. IMO.
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