MATERIALS
3D thermal barriers can help to prevent thermal runaway
THERMALBARRIERS
How can customised 3D safety components for batteries help to ensure safer electric cars?
O
ver 100 million electric cars are expected to be on roads worldwide by 2030. To make electromobility
more efficient in the future, many manufacturers are looking to achieve higher ranges and shorter charging times, with high-performance batteries being a major priority. In lithium-ion batteries, however, higher energy density increases the risk of thermal runway. To prevent this from occurring,
Freudenberg Sealing Technologies has developed thermal barriers that help to slow down thermal runaway by increasing resistance to propagation. The new 3D thermal barriers can be used at various positions within the battery and have already
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proven reliable in their initial series productions. “What is completely new is that
the thermal barriers are now also available in customised, flexible 3D geometries, which makes it possible to use them in various positions within the battery and allows for integration of additional components,” says Andrew Espinoza, Global Vice President Technology of the Oil Seals Powertrain & Driveline Division at Freudenberg Sealing Technologies.
PREVENTING THERMAL RUNAWAY Thermal runaway, which is the ignition or explosion of a battery cell caused by a self-reinforcing heating process, is a significant safety problem
3D thermal barriers enable the integration of multifunctional components
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