Thermal barrier assemblies are provided for inhibiting the transfer of thermal energy inside a traction battery pack while simultaneously accommodating battery cell swelling forces and providing sufficient structural stiffness. An exemplary thermal barrier assembly may include a structural barrier, a thermal insulation medium, and one or more flexible structures that are arranged to contain the thermal insulation medium within an outer perimeter provided by the structural barrier. The flexible structures may be configured as flexible links or film layers that are capable of mechanically isolating a first portion of the structural barrier that contacts a battery cell undergoing swelling from a second portion of the structural barrier that is not in contact with the battery cell, thereby providing uniform resistance to the battery cell swelling forces while also providing structural stiffness.
COMPRESSIBLE THERMAL BARRIER ASSEMBLIES FOR USE WITHIN TRACTION BATTERY PACKS
12.06.2025
Patent
Elektronische Ressource
Englisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F16L PIPES , Rohre / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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