摘要
层状三元正极材料LiNi_(0.8)Co_(0.15)Al_(0.05)O_(2)(NCA815)具有较高的理论比容量、优异的循环性能和环境友好等优点,被认为是未来极具应用前景的正极材料之一。但是,三元正极材料NCA815在制备过程中存在合成工艺条件苛刻及不同的制备方法会导致材料形貌结构和电化学性能差异等问题。综述了近年来三元正极材料NCA815的制备方法,如高温固相法、化学共沉淀法、溶胶-凝胶法、喷雾热解法及其他新方法,分析了不同制备方法之间的差异以及对材料的影响,并展望了该材料未来的研究方向。
Layered ternary cathode material LiNi_(0.8)Co_(0.15)Al_(0.05)O_(2)(NCA815)has the advantages of high theoretical specific capacity,excellent cycling performance and environmental friendliness,and is considered as one of the cathode materials with great prospect of application in the future.However,ternary cathode material NCA815 is prepared under harsh synthesis conditions and different preparation methods may lead to differences in the morphological structure and electrochemical properties of the material.Considering this,the preparation methods of ternary cathode material NCA815 in recent years,such as high-temperature solid-phase method,chemical co-precipitation method,sol-gel method,spray pyrolysis method and other new methods,were reviewed in this paper.The differences between different preparation methods and the effects on the material were analyzed,and an outlook on future research direction for this material was discussed.
作者
闫晓岑
杜成婷
丁佳琪
李健
王甲泰
Yan Xiaocen;Du Chengting;Ding Jiaqi;Li Jian;Wang Jiatai(College of Physics and Electronic Information Engineering,Qinghai Normal University,Xining 810000)
出处
《化工新型材料》
CAS
CSCD
北大核心
2024年第6期44-49,共6页
New Chemical Materials
基金
青海师范大学中青年科研基金(KJQN2022001)。
