重庆科技大学学报（自然科学版）2025，Vol.27Issue(1)：37-43,7.DOI:10.19406/j.issn.2097-4531.2025.01.006
FeS2/竹叶碳复合负极材料的制备及其储锂性能研究
Preparation and Lithium Storage Properties of FeS2/Bamboo-Leaf Carbon Composite Anode Materials
摘要
Abstract
As a typical lithium storage negative material of conversion reaction-type,FeS2,which has the superior advantages of nontoxicity,low cost,and high theoretical property,is one of the potential negative materials for lith-ium-ion batteries with high-performance.However,the poor kinetic energy of FeS2 during the storage process hin-ders its commercial application in lithium-ion batteries.FeS2/BC composite negative materials are prepared by hy-drothermal method with the combination of bamboo leaf carbon and FeS2.The results of electrochemical test show that FeS2/BC has excellent cycling stability and rate performance.When the current density is 200 mA/g,the dis-charge property of FeS2/BC after 100 cycles is 703.3(mA·h)/g,the reason of which is that bamboo leaf carbon can increase the contact area between the electrolyte and the active material,thereby improving electrical conduc-tivity and adapting to volume changes through additional void space.The results of the kineticenergy test manifest that the performance of double-layer capacitor plays a significant role in determining the overall capacity of the FeS2/BC electrode.This pager provides a new approach for improving the reversible capacity and long-cycle life of FeS2-based negative materials.关键词
锂离子电池/FeS2/负极材料/竹叶碳/电化学性能/动力学性能Key words
lithium-ion battery/FeS2/negative material/bamboo leaf carbon/electrochemical performance/dynamics performance分类
动力与电气工程引用本文复制引用
金姚瑶,胡章涛,张瀚,望军..FeS2/竹叶碳复合负极材料的制备及其储锂性能研究[J].重庆科技大学学报（自然科学版）,2025,27(1):37-43,7.基金项目
国家自然科学基金项目"锂硫电池正极载体材料的构筑及其对放电过程的分段控制机制"(52107223) （52107223）
