5V高电压锂离子电池阴极材料研究进展
作者:刘竞雅 上传时间:2012/3/12 15:13:21
摘要:先锂离子二次电池是在当今社会有着非常重要应用的能量储存-转换设备。随着电池材料性能的不断改进,锂电池也越来越可能取代石油等传统燃料而为汽车等交通工具提供动力。但是,要最终达到这一应用目标,要求电池材料有更高的能量密度,这也成为最近几年各国争先突破的研究热点。本文综述了5V高电压高能量密度锂离子二次电池阴极材料的最新研究进展,阐述了发展高电压高能量密度锂离子二次电池材料所面临的重要问题和挑战,并系统地总结了几种最有潜力的5V高电压阴极材料的研究进展。
叙词:锂离子电池 高电压 高能量密度 阴极材料
Abstract: Li-ion batteries (LIB), reversible energy storage/conversion systems, have been successfully applied in many areas. Nowadays, LIB is increasingly being considered as an alternative to conventional fossil fuel to power the transportation vehicles. Whereas, the high energy density required by the electric vehicles is a big challenge, to overcome which more and more interests are attracted worldwide. In this paper, we reviewed the progress in the development of 5V-class high-voltage and high-energy cathode materials for LIB. The challenges and problems to develop high-voltage cathode materials were explained. Progress of several promising 5V cathode materials were also systematically summarized.
Keyword:Li ion batteries (LIB), High-voltage, High-energy density, Cathode materials
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