본 발명은, 양극판, 음극판, 상기 양극판과 음극판 사이에 개재된 분리막이 일 방향으로 권취된 전극 조립체와, 상기 전극 조립체가 수납되는 전지 캔, 및 상기 전지 캔의 개방 단부를 밀봉하는 밀봉체를 포함하는 이차 전지에 관한 것으로, 상기 양극판은 단입자, 유사-단입자 또는 이들의 조합을 포함하는 양극 활물질을 포함한다.

    The present invention relates to a lithium secondary battery which includes an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction, a battery can in which the electrode assembly is accommodated, and a sealing body which seals an open end of the battery can. The positive electrode plate includes positive electrode active material comprising single particles, quasi-single particles, or a combination thereof, and the positive electrode active material has Dmin of 1.0 um or more.


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    Title :

    LITHIUM SECONDARY BATTERY


    Additional title:

    리튬 이차 전지


    Contributors:
    LEE BYOUNG GU (author) / RYU DUK HYUN (author) / LEE KWAN HEE (author) / LEE MYUNG AN (author) / KIM SUE JIN (author)

    Publication date :

    2024-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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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