Battery cell stack designs are provided for traction battery packs. An exemplary cell stack may include a thermal barrier assembly that is arranged to inhibit the transfer of thermal energy between adjacent subgroupings of battery cells of the cell stack. The thermal barrier assembly may include a bulb seal for sealing an interface between the thermal barrier assembly and a perimeter environment (e.g., a heat exchanger plate, an enclosure tray, etc.). The bulb seal may seal any leak paths between the thermal barrier assembly and the perimeter environment, thereby preventing vent gases from passing from one battery cell subgrouping to another during battery thermal events.


    Access

    Download


    Export, share and cite



    Title :

    THERMAL BARRIER BULB SEALS FOR ESTABLISHING SEALING INTERFACES WITHIN TRACTION BATTERY PACKS


    Contributors:

    Publication date :

    2025-06-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    WRAPPED THERMAL BARRIER ASSEMBLIES FOR ESTABLISHING SEALED INTERFACES WITHIN TRACTION BATTERY PACKS

    BAKER ZACHARY O / EFTEKHARI MOHAMMADREZA / MARCATH JASON C | European Patent Office | 2025

    Free access

    SEALING INTERFACES BETWEEN THERMAL BARRIER ASSEMBLIES AND ADJACENT STRUCTURES WITHIN TRACTION BATTERY PACKS

    EFTEKHARI MOHAMMADREZA / BYRD KEVIN DURAND / PERUMALLA KANCHANA | European Patent Office | 2024

    Free access

    THERMAL BARRIER SHIELDS FOR USE WITHIN TRACTION BATTERY PACKS

    ROXIN PATRICK / EFTEKHARI MOHAMMADREZA / REIBLING MICHAEL E et al. | European Patent Office | 2025

    Free access

    COMPRESSIBLE THERMAL BARRIER ASSEMBLIES FOR USE WITHIN TRACTION BATTERY PACKS

    MAGUIRE PATRICK DANIEL | European Patent Office | 2025

    Free access

    THERMAL BARRIER ASSEMBLIES FOR TRACTION BATTERY PACKS

    EFTEKHARI MOHAMMADREZA / BYRD KEVIN DURAND / PERUMALLA KANCHANA et al. | European Patent Office | 2024

    Free access