六方形氮化硼/石墨烯平面异质结三维多孔碳材料及其制备方法与应用

本发明公开了一种六方形氮化硼/石墨烯平面异质结三维多孔碳材料及其制备方法与应用，材料的B或N的元素百分含量为2％-15％，孔径分布在10-30nm，以多孔h-BN、石墨烯前驱体、Ni纳米微球为原料，利用球磨过程，将多孔h-BN进行破碎，同时在机械化学作用下，使h-BN的边缘官能团与石墨烯前驱体形成共价键；同时加入Ni纳米微球，作为催化剂与模板剂，球磨后将混合材料进行压膜,最终通过退火过程及酸洗过程除去Ni颗粒，制备得到h-BN/石墨烯平面异质结丰富的多孔碳材料。可应用于电催化氧还原反应中。 The invention discloses a hexagonal boron nitride/graphene planar heterojunction three-dimensional porous carbon material and a preparation method and application thereof. According to the material, the percentage content of B or N is 2%-15%, the pore size distribution is 10-30 nm, porous h-BN, a graphene precursor and Ni nanometer microspheres serve as raw materials, the porous h-BN is crushed through a ball milling process; meanwhile, under the mechanochemical action, an edge functional group of h-BN and a graphene precursor form a covalent bond; Ni nano-microspheres are added as a catalyst and a template agent; film pressing is performed on the mixed material after ball milling, and finally Ni particles are removed through an annealing process and an acid picklin