Electrode assembly, battery monomer, battery and electric equipment

• Main Authors: TONG YILONG, WEN SHUAIWEI
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model is applicable to the technical field of power batteries, and provides an electrode assembly, a battery monomer, a battery and electric equipment, the electrode assembly comprises: a lamination part, which comprises a first cathode plate, a first anode plate and a first isolation membrane arranged between the first cathode plate and the first anode plate, at least one of the first cathode piece and the first anode piece is of a discontinuous structure and comprises at least two sections of stacked active material parts; and the winding part is coated outside the lamination part and comprises a wound second cathode plate, a wound second anode plate and a second isolating membrane arranged between the second cathode plate and the second anode plate. According to the electrode assembly provided by the embodiment of the invention, the problems of active material falling, brittle fracture cracking and lithium precipitation of the electrode plate at the corner of the electrode assembly can be impro