An embodiment of the present invention, the present invention relates to a secondary battery, a battery pack, and a vehicle. More specifically, provided are a secondary battery capable of achieving excellent lifespan cycles, a battery pack having the secondary battery, and a vehicle having the battery pack. According to one embodiment of the present invention, provided is a secondary battery. The secondary battery includes a positive electrode, a negative electrode, a solvent containing water, and an electrolyte including lithium ions. The negative electrode includes a negative electrode collector containing aluminum and a coating layer containing boehmite installed on at least some parts of a surface of the negative electrode collector. The thickness of the coating layer is 10 nm or more and 1000 nm or less.

    본 발명의 실시 형태는, 이차 전지, 전지 팩 및 차량에 관한 것이다. 우수한 사이클 수명 성능을 달성 가능한 이차 전지, 이 이차 전지를 구비한 전지 팩, 및 이 전지 팩을 구비한 차량을 제공하는 것이다. 하나의 실시 형태에 의하면, 이차 전지가 제공된다. 이 이차 전지는, 정극과, 부극과, 물을 포함한 용매 및 리튬 이온을 포함한 전해질을 포함한다. 부극은, 알루미늄을 포함한 부극 집전체와, 부극 집전체의 표면의 적어도 일부에 설치되는 베마이트를 포함한 피복층을 포함한다. 피복층의 두께는, 10nm 이상 1000nm 이하이다.


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    Title :

    SECONDARY BATTERY BATTERY PACK AND VEHICLE


    Additional title:

    이차 전지, 전지 팩 및 차량


    Contributors:

    Publication date :

    2018-03-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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