Gel casting preparation method of graphene porous film

The invention relates to a gel casting preparation method of a graphene porous film. The gel casting preparation method has the advantages that by adopting the casting method, the cost is low, the film forming speed is quick, the drying speed is quick, and the like; the quick gel casting preparation of the graphene porous film is realized; the preparation technology is simple, the quality controllability of the thin film is strong, the scale product is easy to obtain, and the engineering application is easy; the organic solvent is not used in the technology process, so that the healthy and environment-friendly effects are realized; the electric property of the prepared graphene thin film is easy to adjust and control; by adopting the heat treatment process, the temperature-resistant classand the heat and electric conduction property of the graphene thin film are improved. 本发明是种石墨烯多孔膜凝胶流延制备方法，该方法利用流延低成本、成膜快、干燥快等优点，实现了石墨烯多孔膜凝胶流延快速制备。本发明制备工艺简单、薄膜质量可控性强，容易得到规模产品并进行工程应用；工艺过程不涉及有机溶剂，健康环保；制备的石墨烯薄膜电性能容易调节和控制；通过热处理提高了