RE: Another battery fire29 Nov 2019 08:42
I'm glad to see that our resident soothsayer is so keen on battery safety. No doubt he will appreciate what Fire Captain Matthew Paiss says here:- http://energyresponsesolutions.com/wp-content/uploads/VRB_SafetyReport.pdf
Vanadium flow battery systems offer significant safety advantages relative to li-ion in
the areas of short-circuit fault, arc-flash / blast, “stranded” energy, fire suppression,
and deflagration. This can lead to a streamlined review and approval process for all
stakeholders involved.
When comparing available ESS technologies, many factors will affect the final system
choice. From a safety perspective, significant questions remain unanswered when it
comes to protecting Li-ion batteries from thermal runaway, even more so in an
occupied structure. If codes continue developing along their current trajectory, many
structures may not be suitable without significant modifications. As one designer of
naval-based ESS explained, “A submarine must have a significantly higher level of
safety than a land based structure, as escape is impossible”. However, when looking at
ESS installations inside high-rise apartment dwellings, these structures may be
compared to submarines standing on end in terms of life hazard profiles.