BATTERY, BATTERY PACK, AND DEVICE COMPRISING SAME

A battery according to the present invention comprises: an electrode assembly including a plurality of stacked electrodes, a tab array formed by stacking a plurality of electrode tabs respectively extending from the plurality of electrodes, and a cover member covering the tab array; and an electrode lead electrically connected to the tab array. The cover member may include: an electrode cover part covering at least a partial surface of an electrode arranged at the outermost side among the plurality of stacked electrodes; and a tab cover part extending from the electrode cover part, arranged to face the tab array, and electrically connected to the electrode lead.