POSITIVE ELECTRODE SHEET AND MANUFACTURING METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Embodiments of the present application provide a positive electrode sheet and a manufacturing method therefor, a battery cell, a battery, and an electric device. The positive electrode sheet comprises: a positive electrode current collector; a first coating, the first coating being arranged on the surface of at least one side of the positive electrode current collector, and the first coating comprising a first active material; a second coating, the second coating comprising a second active material, and the second active material being different from the first active material; and a conductive layer, the conductive layer being arranged between the first coating and the second coating and used for isolating the first coating from the second coating. The performance of a battery comprising the positive electrode sheet is improved. Des modes de réalisation de la présente demande concernent une feuille d'électrode positive et son procédé de fabrication, un élément de batterie, une batterie et un dispositif électr