The embodiment of the invention provides a battery pack and electric equipment, the battery pack is provided with a columnar structure, the battery pack comprises a shell, the length L of the shell is larger than or equal to 510mm and smaller than or equal to 650mm, and the radial cross sectional area S0 of the shell is larger than or equal to 2100mm < 2 > and smaller than or equal to 3200mm < 2 >. The battery cell assembly comprises a plurality of battery cells which are arranged in the accommodating space, and the plurality of battery cells are sequentially arranged in the axial direction of the shell. When the battery pack responds to the constant-current charging operation and the constant-voltage charging operation, the sum of the charging time T1 of the battery pack in the constant-current charging operation and the charging time T2 of the battery pack in the constant-voltage charging operation is as follows: T1 + T2 is less than or equal to 80 minutes, the first charging rate of the constant-current charging operation is 1C, and the cut-off charging rate of the constant-voltage charging operation is 0.02 C; the first environment temperature of the battery pack is 25-45 DEG C.

    本申请实施例提供了一种电池包及用电设备,电池包具有柱状结构,电池包包括:外壳,外壳的长度L范围:510mm≤L≤650mm,外壳径向横截面积S0的范围:2100mm2≤S0≤3200mm2。电芯组件,包括:多个电芯,设置于容纳空间内,多个电芯在外壳的轴向上依次排布。本方案的电池包在响应于恒流充电操作和恒压充电操作中,电池包在恒流充电操作中的充电时间T1、电池包在恒压充电操作中的充电时间T2之和,T1+T2≤80分钟,恒流充电操作的第一充电倍率为1C,恒压充电操作的截止充电倍率为0.02C,电池包所处的第一环境温度为25℃至45℃。


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    Title :

    Battery pack and electric equipment


    Additional title:

    一种电池包及用电设备


    Contributors:
    GUO YONGLIN (author) / ZHOU XIAOLI (author)

    Publication date :

    2024-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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 / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B62K Fahrräder , CYCLES / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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