This paper describes the sodium storage mechanism of hard carbon,including the insertion-adsorption model,adsorption-insertion model,adsorption-filling model,and adsorption-insertion-filling model.The research progres...This paper describes the sodium storage mechanism of hard carbon,including the insertion-adsorption model,adsorption-insertion model,adsorption-filling model,and adsorption-insertion-filling model.The research progress of hard carbon prepared by synthetic polymers in recent years is reviewed.The modification strategies of morphology and structure regulation,surface engineering,defect engineering,heteroatom doping,and pretreatment are proposed to improve the electrochemical performance of hard carbon materials and promote the research and development of hard carbon as anode materials for sodium-ion batteries.展开更多
基金supported by the Guangdong University of Technology Hundred Talents Program(220418136).
文摘This paper describes the sodium storage mechanism of hard carbon,including the insertion-adsorption model,adsorption-insertion model,adsorption-filling model,and adsorption-insertion-filling model.The research progress of hard carbon prepared by synthetic polymers in recent years is reviewed.The modification strategies of morphology and structure regulation,surface engineering,defect engineering,heteroatom doping,and pretreatment are proposed to improve the electrochemical performance of hard carbon materials and promote the research and development of hard carbon as anode materials for sodium-ion batteries.