End cover assembly, battery monomer, battery and electric device

• Main Authors: LI QUANKUN, KE HAIBO, YANG KAIHUAN, XIE YONGFENG, ZHOU WENLIN
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses an end cover assembly, a battery monomer, a battery and an electric device. The end cover assembly is used for a battery monomer, the end cover assembly comprises an end cover and an electrode terminal, and the end cover is provided with an electrode lead-out hole; the electrode terminal comprises a connecting part and a terminal main body; the terminal main body protrudes out of the connecting part and is at least partially accommodated in the electrode lead-out hole; and the connecting part is provided with the groove, so that the weight of the battery monomer is reduced, the internal space of the battery monomer is saved, and the energy density of the battery monomer is improved. 本申请公开了一种端盖组件、电池单体、电池和用电装置。端盖组件用于电池单体，端盖组件包括端盖和电极端子，端盖具有电极引出孔；电极端子包括连接部和端子主体，端子主体凸出于连接部并至少部分容纳于电极引出孔；连接部设有凹槽，减轻了电池单体的重量，而且节省了的电池单体的内部空间，提高了电池单体的能量密度。