In‐Situ Formation of Hollow Hybrids Composed of Cobalt Sulfides Embedded within Porous Carbon Polyhedra/Carbon Nanotubes for High‐Performance Lithium‐Ion Batteries
作者： Renbing Wu , Dan Ping Wang , Xianhong Rui , Bo Liu , Kun Zhou
关键词: Materials science 、 Lithium 、 Electrode 、 Composite material 、 Pyrolysis 、 Cobalt 、 Sulfidation 、 Carbon nanotube 、 Nanoparticle 、 Cobalt sulfide 、 Mechanical engineering 、 General Materials Science 、 Mechanics of Materials
摘要: 3D hollow hybrid composites with ultrafine cobalt sulfide nanoparticles uniformly embedded within the well-graphitized porous carbon polyhedra/carbon nanotubes framework are rationally fabricated using a green and one-step method involving simultaneous pyrolysis sulfidation of ZIF-67. Because synergistic coupling effects favored by unique nanohybridization, these exhibit high specific capacity, excellent cycle stability, superior rate capability when evaluated as electrodes in lithium-ion batteries.
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