Monatomic coordination nitrogen-doped carbon-loaded metal compound composite material and application thereof in lithium-sulfur battery diaphragm

The invention relates to a monatomic coordination nitrogen-doped carbon-loaded metal compound composite material and application thereof in a lithium-sulfur battery diaphragm. The chemical composition of the monatomic coordination nitrogen-doped carbon-loaded metal compound composite material is M SAs/NC (at) MC, wherein the NC is a nitrogen-doped carbon material; m SAs is at least one of monatomic Fe, Co and Ni, and is coordinated in the nitrogen-doped carbon material NC in a monatomic form; mC is at least one of a metal oxide, a metal carbide, a metal nitride, a metal phosphide and a metal sulfide, and is formed on the surface of the M SAs/NC in situ; m metal in the monatomic coordination nitrogen-doped carbon-loaded metal compound composite material exists in the form of monatomic, and the mass percent of the monatomic is 0.5-2wt%. 本发明涉及单原子配位氮掺杂碳负载金属化合物复合材料及其在锂硫电池隔膜中的应用。所述单原子配位氮掺杂碳负载金属化合物复合材料的化学组成为M SAs/NC@MC；其中，NC为氮掺杂碳材料；M SAs为单原子Fe、Co、Ni中的至少一种，以单原子的形式配位在氮掺杂碳材料NC中；MC为金属氧化物、金属碳化物、金属氮化物、金属磷化物、金属硫化物中的至少一种，原位