The invention discloses a
graphene sleeping bag. The
graphene sleeping bag comprises a sleeping bag body, wherein the sleeping bag body comprises an inner cloth layer, a
graphene heating layer and anouter layer; the graphene heating layer is prepared by blending and weaving modified graphene fibers,
bamboo charcoal fibers and mosquito-expelling cotton fibers. A preparation method of the modifiedgraphene
fiber comprises the following steps of preparing a graphene film at the surface of a
metal substrate by a
chemical vapor deposition method, cleaning the graphene film by
plasma, and graftingthe graphene film with hydroxyl groups, so as to obtain the modified graphene film; mechanically stripping to remove the
metal substrate, and twisting the modified graphene film by a gathering and twisting device, so as to obtain the modified graphene
fiber. A preparation method of the mosquito-expelling cotton
fiber comprises the following steps of soaking cotton fibers into a mosquito-expellingliquid for 24 to 48h,
dewatering, cleaning, and
drying, so as to obtain the mosquito-expelling cotton fiber. The graphene sleeping bag has the advantages that the warming effect is good, the moistureabsorbing and air ventilating functions are realized, and the risk of heavy
humidity in a
human body due to high environment
humidity is greatly reduced; the
physical therapy effect is realized, the mosquitoes can be expelled, the sleeping is promoted, and the comfortability is good.