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. The battery pack satisfies the following conditions: the alternating current resistance R0 of the battery pack is less than or equal to 17m omega; the ratio R0/C of the alternating current resistance R0 of the battery pack to the rated capacity C of the battery pack is less than or equal to 0.9 m omega/Ah.
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。所述电池包满足:电池包的交流电阻R0≤17mΩ;所述电池包的交流电阻R0和所述电池包的额定容量C的比值:R0/C≤0.9mΩ/Ah。
Battery pack and electric equipment
一种电池包及用电设备
2024-05-07
Patent
Electronic Resource
Chinese
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 |