玉米秸秆生物质炭在电化学储能中的应用

Application of Corn Straw Biochar in Electrochemical Energy Storage

玉米秸秆作为一种农业生产副产品具有资源丰富、价格低廉、环境友好等优点,是一种潜在的生物质资源。用作生物质炭的原材料,可以制备出孔隙结构优良、比表面积大、导电性能好的多孔碳材料,可应用于土壤改良、废水处理、储能装置等领域。简要介绍了玉米秸秆生物质炭材料的主要制备方法,综述了玉米秸秆生物质炭在锂离子电池、钠离子电池、锂硫电池和电化学电容器中应用的研究进展,着重讨论了可逆容量、循环稳定性、倍率特性等电化学性能,展望了玉米秸秆生物质炭在电化学储能方面的应用前景。

The corn straw,as a by-product of agricultural production,has the advantages of rich resources,low price and environment-friendly,and is a potential biomass resource.The porous carbon materials prepared with the biomass have the characteristics of excellent pore structure,large specific surface area and good electrical conductivity,which can be used in soil improvement,waste water treatment,energy storage devices and other fields.The main preparation methods of the corn straw biochar materials are briefly introduced.The research progress of the corn straw biochar in lithium ion battery,sodium ion battery,lithium sulfur battery and electrochemical capacitor is reviewed.In particular,the electrochemical properties such as reversible capacity,cycling stability and rate characteristics are emphatically discussed.The application prospect of the corn straw biochar in electrochemical energy storage is prospected.