BATTERY CELL, BATTERY AND ELECTRIC APPARATUS

• Main Authors: LEI, Yuyong, WANG, Peng, GUO, Zhijun
• Format: Patent
• Language: Chinese; English; French
• Published: 14.12.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A battery cell, a battery and an electric apparatus. The battery cell (10) comprises: a shell (20), wherein the shell has a plurality of side plates, an end opening (21) of the shell (20) being formed by means of the enclosure of the plurality of side plates; an electrode assembly (30), which is arranged inside the shell (20); and an end cover (40), which is arranged at the end opening (21), wherein the end cover (40) is provided with a plurality of edge portions, which are fixedly connected to an end surface of the end opening (21) and respectively correspond to the plurality of side plates. The plurality of side plates comprise a first side plate (231) and a second side plate (232) with different thicknesses, and the plurality of edge portions comprise a first edge portion (411) corresponding to the first side plate (231) and a second edge portion (412) corresponding to the second side plate (232); and an outer wall (231a) of the first side plate (231) is substantially flush with an outer side surface (411a