An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. The first electrode of the electrode assembly includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction, the first uncoated portion includes a plurality of segments independently bendable along the winding direction and exposed beyond a the separator of the electrode assembly, the plurality of segments are aligned along a radial direction of the electrode assembly to define a plurality of segment alignments spaced apart in a circumferential direction of the electrode assembly, and an electrolyte impregnation portion in which an end of the first active material portion is exposed between winding turns of the separator is included between adjacent segment alignments of the first uncoated portion in the circumferential direction.


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    Title :

    ELECTRODE ASSEMBLY, BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING THE SAME


    Contributors:
    LEE SOON-O (author) / KONG JIN-HAK (author) / CHOI KYU-HYUN (author) / PARK JONG-SIK (author) / LIM JAE-WON (author) / CHOE YU-SUNG (author) / KIM HAK-KYUN (author) / LEE JE-JUN (author) / LEE BYOUNG-GU (author) / RYU DUK-HYUN (author)

    Publication date :

    2024-08-15


    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



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