BATTERY CELL, BATTERY PACK, AND ELECTRONIC DEVICE

A battery cell, a battery pack, and an electronic device are provided. The battery cell includes: a housing; an electrode assembly received in the housing, the electrode assembly comprising a winding structure formed by winding a positive electrode sheet, a separator, and a negative electrode sheet; a first negative electrode surface and a second negative electrode surface of a negative electrode current collector of the negative electrode sheet are respectively covered with a first negative electrode active material layer and a second negative electrode active material layer; the negative electrode sheet includes a first position and a second position along a winding direction. A region at a surface of the second negative electrode active material layer that is away from the center hole and located between the first position and the second position is a preset region and is provided with a first insulating layer along the winding direction.