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尖晶石LiMn_2O_4表面改性研究进展 被引量:10

Research progress of surface modification for spinel LiMn_2O_4
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摘要 价格适中、贮量丰富且对环境污染少的LiMn2O4作为未来锂离子电池正极材料的基材,一直是人们研究的热点。但高温下与循环中容量衰减的问题,是制约它商品化的最重要因素。详细阐述了近年来有关尖晶石LiMn2O4容量衰减的机理;介绍了国内外在LiMn2O4正极材料表面修饰改性方面采用的各种方法以及取得的成果。 Lithium manganese oxide was promising to become the basic material for Li- ion battery cathode in the future. As a hot pot, it has been investigated until now. But the problem that the capacity to be degraded at high temperature and during cycles was the most important factor to restrict its commercialization. The capacity degradation mechanism of spinel LiMn2O4 was described in detail. The various methods of surface modification of spinel LiMmO4 at home and abroad were introduced in this paper.
出处 《电池工业》 CAS 2006年第2期135-138,共4页 Chinese Battery Industry
关键词 锰酸锂 衰减机理 包覆 表面改性 lithium manganese oxide degradation mechanism coating surface modification
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