摘要：【中文】本发明公开了一种石墨烯平板热管太阳能集热器及其制备方法。所述的石墨烯平板热管太阳能集热器，由腔体和腔管组成，腔管位于腔体内，其特征在于，所述的腔管由管和管板组成，所述的管板通过焊接或压铸的方式与所述的管组合，所述的管的管腔中充满传热工质，所述的管的至少一端为开放式，并且伸出于腔体之外，所述的腔体为密封体，腔体中为真空、半真空或充满惰性气体；所述的管和管板外侧涂覆有石墨烯涂层。本发明将板式太阳能与真空管太阳能技术完美结合，不仅把平板太阳能集热器的优点，发挥的更好，而且把真空管太阳能集热器的优点发挥到极致。本发明的提出使得太阳能用途更广泛、安装使用更加方便，为利用太阳能提供了新的技术手段。 【EN】The invention discloses a graphene flat-plate heat pipe solar thermal collector and a preparation method thereof. The graphene flat plate heat pipe solar thermal collector consists of a cavity and a cavity pipe, wherein the cavity pipe is positioned in the cavity, and the cavity pipe is characterized in that the cavity pipe consists of a pipe and a pipe plate, the pipe plate is combined with the pipe in a welding or die-casting mode, the cavity pipe of the pipe is filled with heat transfer working medium, at least one end of the pipe is open and extends out of the cavity, the cavity is a sealing body, and the cavity is vacuum, semi-vacuum or filled with inert gas; the outer sides of the tubes and the tube plates are coated with graphene coatings. The invention perfectly combines the plate solar energy and the vacuum tube solar energy technology, not only exerts the advantages of the flat-plate solar heat collector better, but also exerts the advantages of the vacuum tube solar heat collector to the utmost. The solar energy utilization device has the advantages that the solar energy utilization is wider, the installation and the use are more convenient, and a new technical means is provided for utilizing the solar energy.