Battery and electronic apparatus containing same

An electronic apparatus, wherein the electronic apparatus comprises a battery;

• wherein
• the battery comprising an electrode assembly, wherein the electrode assembly comprises a stacked portion and a second layer;
• the stacked portion comprises a first conductive layer, a second conductive layer, and a first layer arranged between the first conductive layer and the second conductive layer;
• the first layer comprising an insulating material;
• wherein
• the stacked portion is configured as a wound structure and further comprises a first surface and a first end portion;
• a thickness direction of the electrode assembly is defined as a first direction, and when viewed in the first direction, the first surface has a first region located on a first side of the first end portion and a second region located on a second side of the first end portion, wherein in a second direction perpendicular to the first direction, the first side and the second side are located on two opposite sides of the first end portion;
• and in a winding direction of the stacked portion, the second region is closer to the first end portion than the first region;
• and
• the second layer covers at least a portion of the first end portion and is connected to the first region and the second region, and the second layer is provided with an identification portion.