“Preventing a service event from becoming a catastrophic one,” is how Cadenza Innovation CEO Christina Lampe-Önnerud describes the way her company’s lithium-ion ‘Supercell’ battery architecture reacts to thermal runaway.

An April 2019 fire and subsequent explosion which caused injuries to firefighters and destruction of a grid-scale battery storage system in Arizona likely started with an internal cell defect that caused the “preventable” incident, analysis has found.