Heteroatom-Doped Carbon Spheres from FCC Slurry Oil as Anode Material for Lithium-Ion Battery

作     者：Yang Guang Wang Dengke Chen Song Zhang Yue Fu Zijian Liu Wei Yang Guang;Wang Dengke;Chen Song;Zhang Yue;Fu Zijian;Liu Wei

作者机构：Energy&Environmental Research Institute of Heilongjiang ProvinceHarbin 150090 State Key Laboratory of Chemical Resource EngineeringBeijing Key Laboratory of Electrochemical Process and Technology for MaterialsBeijing University of Chemical TechnologyBeijing 100029 Center for Composite Materials and StructuresHarbin Institute of TechnologyHarbin 150000 

出 版 物：《China Petroleum Processing & Petrochemical Technology》 (中国炼油与石油化工（英文版）)

年 卷 期：2022年第24卷第1期

页      面：1-10页

核心收录：

学科分类：081702[工学-化学工艺] 0808[工学-电气工程] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the Foundation of Heilongjiang Academy of Sciences (KYJJ2019HY01) the Foundation of Heilongjiang Provincial Institute of Basic Applied Technology Research Project (ZNJZ2018NY01) 

主　　题：slurry oil carbon spheres lithium-ion battery electrochemical performance 

摘      要：A facile injected pyrolysis strategy to synthesize heteroatom-doped carbon spheres(CSs) with good conductivity is proposed by using the fluid catalytic cracking slurry oil(FCCSO) as the carbon source through a pyrolysis reaction process at 700-1000℃.The structures of CSs are characterized by scanning electron microscopy(SEM),transmission electron microscopy(TEM),X-ray diffraction(XRD),Raman spectroscopy,Fourier transform infrared spectroscopy(FT-IR) and X-ray photoelectron spectroscopy(XPS).The effect of preparation conditions on the morphology and its electrochemical properties of CSs acting as the anode material for lithium-ion battery(LIBs) are *** XPS measurement results show that the CSs mainly contain C,N,O,and S *** the increase of pyrolysis temperature,the particle size of CSs decreases but the graphitization degree of CSs *** the anode material for LIBs,CSs show excellent electrochemical performance with a maximum reversible capacity of 365 mAh/g and an initial coulombic efficiency of 73.8% at a low current density of 50 mA/*** CSs exhibit excellent cycling stability in a current range of 50 mA/g to 2 A/g,and still can maintain a stable reversible capacity of 347 mAh/g when the current is cycled back to 50mA/*** is mainly ascribed to the existence of suitable heteroatom content and unique spherical structure of *** heteroatom-doped CSs can provide a new choice for the preparation of high efficiency anode materials for LIBs.