financially supported by National Natural Science Foundation of China(General program,51272188,51472184,51472185);State Basic Research Development Program of China(973 Program,2014CB660802);Natural Science Foundation of Hubei Province,China(Contract No.2013CFA086);Foreign cooperation projects in Science and Technology of Hubei Province,China(Contract No.2013BHE002)
Carbon microspheres were firstly prepared using glucose (C6H12O6 ) as the starting materials by hydrotherreal carbonization. Then hollow ZrB2 spheres were successfully synthesized using zirconium oxychloride ( ZrCl...