▎ 摘　　要

NOVELTY - Preparing friction nano-generator based on vertical graphene array, comprises growing a vertical graphene array on the first metal electrode by the plasma enhanced chemical vapor deposition method, spin coating a layer of the first polymer film on the vertical graphene array, drying, curing to obtain the positive friction layer, spin coating a layer of second polymer film on the second metal electrode to obtain a negative friction layer, the second polymer film has a larger electric negative difference with the first polymer film, vertically assembling the positive friction layer and the negative friction layer by using an elastic element. USE - Preparation method of friction nano-generator based on vertical graphene array. ADVANTAGE - The method is simple and efficient, and provides friction nano-generator with high energy output. The metal electrode is grown with high flexibility and conductivity by using plasma enhanced chemical vapor graphene (PECVD) method, which improves the conductive ability of the growth electrode. The vertical graphene array and the polydimethylsiloxane (PDMS) film spin-coated on it has good combination with the bottom area and stable structure. The surface of PDMS film deposited on the surface of the porous vertical graphene arrays is not flat, which can effectively increase the specific surface area of the PDMS, so as to improve the effective contact area. The electron transfer capability is improved by improving the conductivity of the electrode. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for friction nano-generator based on vertical graphene array. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of preparing friction nano-generator based on vertical graphene array. 1First metal electrode 2First polymer film 3Second polymer film 4Vertical graphene array 5Second metal electrode