100.8 kWh vehicle battery in full thermal runaway inside. No flames outside.
Water-free quarantine and fire-suppression containers for electric vehicles and lithium-ion batteries
Tested by Fraunhofer HHI, certified by TÜV SÜD, developed and manufactured in Renningen near Stuttgart, Germany.
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Dry Fire System GmbH, based in Renningen near Stuttgart, Germany, has been developing and manufacturing water-free quarantine and fire-suppression containers for damaged electric vehicles and lithium-ion batteries since 2021.
Two containers, two tasks
One takes the complete vehicle. The other takes the removed battery. Both work without water, without a power supply and without a foundation.
How the AkkuGrain principle works
The patented AkkuGrain granulate is already inside the container. If a battery goes into thermal runaway, the granulate withdraws heat from the fire and binds the decomposition products of the conducting salt LiPF6, including hydrogen fluoride. No water, no power supply and no action by staff are required. A pressure relief element discharges the overpressure that builds up during a thermal runaway in a defined way instead of letting it accumulate inside the closed container.
In the fire test carried out by Fraunhofer HHI on 26 October 2023, no flames occurred outside the container, no fragments were ejected and hydrogen fluoride was not measurable at any time. The container was structurally intact after the test.