본 발명의 일 실시예에 따른 배터리는, 제1 전극 및 제2 전극과 이들 사이에 개재된 분리막이 권취 축을 중심으로 권취되어 코어와 외주면을 정의한 전극 조립체로서, 상기 제1 전극은 권취 방향을 따라 활물질 층이 코팅되어 있지 않은 제1 무지부를 포함하고, 상기 제1 무지부의 적어도 일부는 그 자체로서 전극 탭으로서 사용되는 전극 조립체; 일 측에 개방부를 포함하고 상기 개방부를 통해 상기 전극 조립체를 수용하도록 구성되는 하우징; 상기 전극 조립체의 상부에 배치되는 테두리부, 상기 테두리부로부터 내측으로 연장되며 상기 제1 무지부와 결합되는 제1 무지부 결합부 및 상기 제1 무지부 결합부와 이격되어 위치하는 단자 결합부를 포함하는 제1 집전체; 및 상기 단자 결합부와 결합되는 단자; 를 포함한다.

    A battery comprises a rolled electrode assembly having a first electrode and a second electrode and a separator interposed therebetween, the first electrode having a first uncoated region and the second electrode having a second uncoated region, the first and second uncoated regions being not coated with an active material, disposed at a long side end of the first electrode and second electrode, respectively, and exposed out of the separator; a battery can accommodating the electrode assembly and electrically connected to the second uncoated region, wherein the battery can comprises a first end face, a second end face and a cylindrical sidewall extending between the first end face and the second end face, wherein the second end face has an opening; a terminal electrically connected to the first uncoated region and penetrating the first end face of the battery can; and a cap covering and sealing the opening of the second end face of the battery can.


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    Title :

    Cylindrical battery cell and current collector plate applied thereto and battery pack and vehicle including the cylindrical secondary battery


    Additional title:

    배터리 및 이에 적용되는 집전체, 그리고 이를 포함하는 배터리 팩 및 자동차


    Publication date :

    2025-04-21


    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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