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Description
Description:
UL 9540A is effective for evaluating thermal
runaway at the cell and module level but is often insufficient for the
unit and installation level tests for LFP systems. In order to evaluate
if a battery enclosure is effective in containing thermal runway from
propagating to a neighboring enclosure, you must create a thermal
runaway event large enough to propagate beyond the initiating module and
consume the initiating enclosure. This condition is not accomplished
for LFP using the UL 9540A test method as thermal runaway does not
propagate beyond the initiating module.
Fluence designed a large-scale fire test that goes above and beyond the
requirements of UL 9540A testing in order to evaluate the ability of the
enclosure to contain an extreme thermal runaway event from propagating
to neighboring Cubes.