Battery

A battery includes an electrode assembly, a first insulation layer, a second insulation layer, and at least one first adhesion portion. The electrode assembly includes a first surface and a second surface provided back away from the first surface; the first insulation layer is provided on the first surface; the second insulation layer is provided on the first surface and spaced apart from the first insulation layer; and the first adhesion portion is provided on the first surface and located in a zone between the first insulation layer and the second insulation layer.