Siyuan Laboratory Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy Materials of Physics University 510632;
CAS Center for Excellence in Nanoscience Key Laboratory of Micro-Nano Energy and Sensor Institute of Nanoenergy and Nanosystems Academy of Sciences 101400;
State Key Laboratory of Power Transmission Equipment and System Security and New Technology of Electrical Engineering University 400044;
Center of Materials Science and Optoelectronics Engineering of Chinese Academy of Sciences 100049;
Cation vacancy; Fe_(0.96)S@C structure; Catalytic conversion; Lithium-sulfur battery;