Design and Synthesis of Mesoporous Honeycomb‐Like CoP/Co2P Hybrids as Anode with a High Cyclic Stability in Lithium‐Ion Batteries
作者： Qing Guo , Qiang Ru , Bei Wang , Peng Zhang , Xianhua Hou
关键词: Chemical engineering 、 Materials science 、 Mesoporous material 、 Transmission electron microscopy 、 Calcination 、 Phosphide 、 Lithium 、 Electrochemistry 、 Anode 、 Dielectric spectroscopy
摘要: In this work, a multi-step synthesis strategy has been exploited for the fabrication of novel honeycomb-like metallic phosphide nanohybrid (CoP/Co2P) based on evaporating reduction and calcination approach. Diversified analytical techniques were taken to characterize as-prepared samples crystal structure, morphology electrochemical performance such as X-ray diffraction (XRD), field emission scanning electron microscopy (SEM), transmission (TEM), charge-discharge test impedance spectroscopy (EIS), etc. Serving anode materials lithium ion batteries (LIBs), CoP/Co2P hybrid depicted good capacity retention with specific 851.2 mAh/g at 200 mA/g after 450 cycles reversible 590 high current rate 1000 mA/g.
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