▎ 摘　　要

NOVELTY - The utility model relates to the technical field of battery heating sheet, especially relates to a battery heating sheet for preventing electric core from being thermal runaway, comprising a heating sheet main body, a lead connecting seat and a heating sheet main body from outside to inside in turn is provided with a wearable layer, an insulating layer; a heat-through protective layer and an epoxy plate layer, and the epoxy plate layer is provided with a heating resistance wire; two wire connecting seat is set on the heating sheet main body, and the wire connecting seat is connected with a lead; the lead is electrically connected with the heating resistance wire; the thickness of the epoxy plate layer is 0.1-0.2mm; the material of the heat-through protective layer is made of graphene material; the insulating layer is made of resin fibre material; the wearable layer is made of silicon carbide material; heating resistance wire, epoxy plate layer; the total thickness of the insulating layer and the wearable layer is 1.1mm-1.9mm. The heat-through protective layer of the utility model not only can effectively protect the heating resistance wire, but also can provide high efficiency of heat conductivity, enhances the performance of the heating sheet.