The invention provides a battery, a battery module, a battery pack and an electric vehicle. The battery comprises a shell and a battery cell assembly arranged in the shell; the battery cell assembly comprises a plurality of pole core groups and an accommodating space for accommodating the plurality of pole core groups; the pole core groups are connected in series; each pole core group comprises at least one pole core; a partition plate is arranged between at least two adjacent pole core groups; the partition plate divides the accommodating space into a plurality of accommodating cavities; each accommodating cavity accommodates the corresponding pole core group; the cavity wall of each accommodating cavity comprises a partition plate and an isolating membrane connected with the partition plate; and the battery further comprises a liquid injection channel in a sealed state; the liquid injection channel is arranged on the isolating membrane and/or the partition plate. The liquid injection process of the battery provided by the invention is relatively simple, the sealing performance of the battery is relatively good, and the battery capacity of the battery is improved.

    本申请提供了一种电池、电池模组、电池包和电动车。电池包括壳体和设于所述壳体内的电芯组件,所述电芯组件包括多个极芯组及用于容纳所述多个极芯组的容纳空间,所述极芯组间串联连接,所述极芯组含有至少一个极芯;至少两个相邻的极芯组之间设置有隔板,所述隔板将容纳空间分隔成若干个容纳腔,每个所述容纳腔中容纳有所述极芯组,所述容纳腔的腔壁包括隔板及与隔板连接的隔离膜;所述电池还包括处于密封状态的注液通道,所述注液通道设在所述隔离膜和/或所述隔板上。采用申请提供的电池的注液工艺比较简单,密封性能较好,电池的电池容量得到提高。


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    Titel :

    Battery, battery module, battery pack and electric vehicle


    Weitere Titelangaben:

    一种电池、电池模组、电池包和电动车


    Beteiligte:
    WANG CHUANFU (Autor:in) / HE LONG (Autor:in) / SUN HUAJUN (Autor:in) / ZHU JIANHUA (Autor:in) / LU ZHIPEI (Autor:in) / ZHU YAN (Autor:in) / HU SHICHAO (Autor:in)

    Erscheinungsdatum :

    2021-04-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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