Electrode assembly, battery monomer, battery and electric equipment

The utility model discloses an electrode assembly, a battery monomer, a battery and electric equipment. The electrode assembly comprises a diaphragm and a pole piece. The diaphragm comprises a base material and a plurality of bonding protrusions, and the bonding protrusions are arranged on at least one face of the base material in the thickness direction. The pole piece and the diaphragm are stacked and wound into a whole, the bonding bulge is bonded with the base material and the pole piece, and the bulge, the base material and the pole piece jointly form a gap. In the electrode assembly provided by the embodiment of the invention, the pole piece and the diaphragm are laminated and wound together, and the diaphragm and the pole piece are bonded through the bonding bulge, so that the pole piece and the diaphragm are not easy to move relatively. The electrolyte can infiltrate the electrode assembly through the gaps among the bulges, the base material and the pole piece, so that the infiltration time of the ele