Battery pack and electric equipment

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 ar...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WU KECHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS BASIC ELECTRIC ELEMENTS CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SADDLES OR SEATS CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES ELECTRICITY LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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Beschreibung
Zusammenfassung:	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 environment temperature is 25 DEG C and the discharge rate is less than or equal to 1C, the mass energy density GED0 of the battery pack is greater than or equal to 200Wh/kg. 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。环境温度为25℃、放电倍率小于等于1C下，电池包的质量能量密度GED0满足：GED0≥200Wh/kg。