钠离子电池用层状氧化物空气稳定性研究进展  

Research progress in air stability of layered oxide for sodium-ion battery

作　　者：曹美兰 侯晓川 周玉 刘云建[2] CAO Meilan;HOU Xiaochuan;ZHOU Yu;LIU Yunjian(Zhejiang NewEra Zhongneng Recycling Technology Co.,Ltd.,Shaoxing,Zhejiang 312369,China;School of Material Science and Engineering,Jiangsu University,Zhenjiang,Jiangsu 212013,China)

机构地区：[1]浙江新时代中能科技股份有限公司,浙江绍兴312369 [2]江苏大学材料科学与工程学院,江苏镇江212013

出　　处：《电池》2024年第1期116-120,共5页Battery Bimonthly

基　　金：浙江省重点研发计划项目(2022C03061);中国博士后科学基金面上项目(2023M733190)。

摘　　要：层状过渡金属氧化物具有比容量高、成本低等优点,是理想的钠离子电池正极材料。较差的空气稳定性阻碍了层状过渡金属氧化物的实际生产与应用。总结层状氧化物空气稳定性的研究进展,包括在空气中失效的影响因素和相关机理等,并归纳成分调控、结构设计和表面改性等可改善空气稳定性的方法。展望未来提高材料空气稳定性的研究方向。Layered transition metal oxide is an ideal cathode material for sodium-ion battery due to its high specific capacity and low cost.The poor air stability of layered transition metal oxide hinders its practical production and application.The research progress in air stability of layered transition metal oxide cathode materials is reviewed,including the factors and mechanism of air failure.The methods to improve the air stability of layered oxides are summarized in terms of composition regulation,structure design and surface modification.The future research direction of cathode air stability is prospected.

关 键 词：钠离子电池 正极材料 空气稳定性 失效机理 改性方法 

分 类 号：TM912.9[电气工程—电力电子与电力传动]