▎ 摘 要
NOVELTY - The utility model claims a heat conducting composite film, comprising a protective layer, a heat conducting layer and an inner layer; the heat conducting layer comprises a first polyethylene layer, a first graphene layer and a second polyethylene layer; the protective layer, the first polyethylene layer, the first graphene layer, the second polyethylene layer and the inner layer are orderly adhered from up to down. The utility model can improve the heat conducting performance of the battery and ensure the safety of the battery.