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锂离子电池高镍三元正极材料LiNi1-x-yCoxMnyO2的改性研究进展
Research Progress on Modifications of Ni-rich Ternary Cathode Materials (LiNi1-x-yCoxMnyO2) for Lithium-ion Batteries
投稿时间:2018-07-25  修订日期:2018-09-17
DOI:
中文关键词:  锂离子电池  正极材料  高镍三元材料  改性
英文关键词:lithium-ion battery  cathode material  high nickel ternary material  modification
基金项目:
作者单位E-mail
邓七九 西安理工大学 dengqijiu@hotmail.com 
田聪聪 西安理工大学 820713842@qq.com 
凤帅帅 西安理工大学 1135365159@qq.com 
惠鹏 西安理工大学理学院 731575590@qq.com 
燕映霖 西安理工大学理学院 yyl3550@xaut.edu.cn 
杨蓉 西安理工大学理学院 yangrong@xaut.edu.cn 
许云华 西安理工大学 xuyunhua@vip.163.com 
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中文摘要:
      随着新能源产业的快速发展,对储能材料与器件的综合性能提出更高的要求。锂离子电池正极材料,尤其是高镍三元材料(LiNi1-x-yCoxMnyO2)由于具有高的能量密度,高工作电压以及优异的化学稳定性等特点,被认为下一代动力电池的商业化正极材料的优秀选择。本文系统总结了高镍三元材料LiNi1-x-yCoxMnyO2的优势并指出了其亟待解决的问题,在此基础上,综述了其各类改性方法,包括掺杂各类阴阳离子、表面包覆、浓度梯度材料设计以及石墨烯复合等方法,最后对其发展方向及商业化应用进行了展望。
英文摘要:
      With the rapid development of new energy industrial, higher requirements have been put forward to the comprehensive performance of energy materials and devices. Lithium-ion cathode materials, especially high nickel ternary materials (LiNi1-x-yCoxMnyO2), with high energy density, high working voltage and excellent chemical stability, were considered as one of the superior cathode materials for the next generation power batteries. In this review, the current advantages and disadvantages of the high nickel ternary materials are analyzed. On the basis of this, their modification methodologies are reviewed, mainly including doping cations and anions, surface coating, design of concentration gradient materials and graphene compounding. Finally, we expect the future development directions and commercial application prospects.
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