锂离子正极材料的制备.doc

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  • 更新时间:2016-04-22
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摘要:锂离子电池自商品化以来应用迅速扩展,已取代了传统的镍镉电池和镍氢电池成为小型民用电子产品的主要电源,并且随着锂离子电池技术的不断完善和改进,锂离子电池应用领域还将扩大到军事设备、电动交通工具及空间国防和一些特殊工业电子用途,其应用前景十分广阔。这就迫切需要相关材料的研究开发快速跟上,尤其是对电池性能起决定作用的正极材料的研制更是刻不容缓。本文综述了锂离子正极材料的工作原理、性质以及目前最具有吸引力的四种正极材料LiCoO2、LiMn2O4、LiFePO4通过比较研究这三种正极材料的制备方法,表征手段和电化学性能。

关键词:锂离子正极材料;制备方法;表征手段;电化学性能

 

Abstract: Lithium ion battery from commercial applications since expanded rapidly, has replaced the traditional NiCd and NiMH batteries become small civilian electronic products the main power source, and with the lithium ion battery technology continues to improve and improve, lithium ion battery applications will also be extended to military equipment, electric vehicles and space defense and some special industry electronic application, its foreground is very wide. There is an urgent need for materials related to the research and development of fast to keep up, especially on the performance of battery plays a decisive role in the research of cathode materials is crunch time. Overview lithium ion cathode materials working principle, properties, as well as the three attractive cathode materials LiCoO2、LiMn2O4、LiFePO4.Through comparing the preparation methods and electrochemical performance of these material.

Key words: Cathode material for lithium ion; preparation method; characterization means; electrochemical performance

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