生物模板法制备Mn_2O_3及其用于锂/钠离子电池负极材料研究  

Preparation of Mn_2O_3 by Biotemplate Method and Its Application as Anode Materials for Lithium/Sodium Ion Batteries

作　　者：王超群 陈艳丽 颜文超 WANG Chao-qun;CHEN Yan-li;YAN Wen-chao(School of Materials Science &Engineering,Linyi University,Linyi 276000,China)

机构地区：[1]临沂大学材料科学与工程学院,山东临沂276000

出　　处：《聊城大学学报（自然科学版）》2019年第2期101-105,共5页Journal of Liaocheng University:Natural Science Edition

基　　金：国家自然科学基金项目(21805124);山东省自然科学基金项目(ZR201702170209)资助

摘　　要：为提高动力电池的能量密度,以树叶模板法制备了具有多孔分级结构的Mn_2O_3材料.通过X射线电子衍射技术和扫描电子显微技术分别对材料的晶体结构和表面形貌进行了研究,结果表明制备的G-Mn_2O_3材料具有丰富的孔结构和较小的一次粒径.将制备材料作为锂离子电池和钠离子电池负极材料应用,并对材料的电化学性能进行了研究,与粉末Mn_2O_3材料相比,模板法制备的Mn_2O_3材料在锂离子电池中具有优异的电化学性能.For improving the energy density of Lithium ion-battery,MngO,material with hierarchical porous structure was prepared by leaf template method.The crystal structure and surface morphology of as-prepared materials were studied by X-ray electron diffraction(XRD)and scanning electron microscopy(SEM),respectively,the result show that the G-Mng Os material has abundant porous structure and small primary particles.The preparation materials were used as lithium ion battery and sodium ion battery as anode material,and the electrochemical properties of as-prepared samples were also studied.Compared with powder Mng Os material,G-Mng Os material prepared by template method has excellent electrochemical properties as anode material for the lithium ion battery.

关 键 词：锂离子电池 钠离子电池 Mn2O3材料 多孔结构 电化学性能 

分 类 号：O611.4[理学—无机化学]