钠离子电池生物质基硬碳负极材料制备研究进展

Research progress in preparation of biomass-based hard carbon anode materials for sodium-ion battery

钠离子电池作为一种低成本、可持续的能源储存技术而备受关注。作为钠离子电池中的重要组分,硬碳负极材料对电池性能具有关键影响,生物质基硬碳因原材料广泛易得且成本较低而受到广泛关注。综述生物质硬碳作为钠离子电池负极材料的研究进展,讨论直接碳化法、活化法、水热法及模板法对所制备硬碳的结构与电化学性能的影响,并分析优缺点,展望生物质基硬碳负极材料在钠离子电池中的应用。

Sodium-ion battery has attracted much attention as a low-cost and sustainable energy storage technology.As an important component in sodium-ion battery,hard carbon anode materials have a key impact on battery performance,biomass-based hard carbon has received extensive attention due to its wide availability of raw materials and low cost.The research progress in biomass hard carbon as an anode material for sodium-ion battery is reviewed.The effects of the preparation methods,such as direct carbonization method,activation method,hydrothermal method and templated method,on carbon structure and electrochemical performance of hard carbon are discussed,the advantages and disadvantages are analyzed.The application of biomass-based hard carbon anode materials in sodium-ion battery is prospected.