Battery monomer, battery and electric equipment

The utility model relates to a battery monomer, a battery and electric equipment, and belongs to the technical field of batteries. The battery monomer comprises a shell and a first electrode assembly, and the shell comprises two first walls opposite to each other along a first direction; the first electrode assembly is arranged in the shell, the first electrode assembly comprises first pole pieces, the first pole pieces are wound into M circles, in the N circles of first pole pieces on the outermost side, each circle of first pole piece comprises a first straight section facing the first wall and a first bent section connected with the first straight section, and M > N > = 1; wherein the first pole piece comprises a reinforcing section and a non-reinforcing section, the base material strength of the reinforcing section is greater than that of the non-reinforcing section, and the reinforcing section at least comprises a connecting part of a first straight section and a first bent section. 本申请涉及一种电池单体、电池及用电设备，属