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改善锂离子电池正极材料LiNi_(l/3)Co_(l/3)Mn_(l/3)O_2性能的方法 被引量:3

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摘要 锂离子二次电池新型正极材料的开发是当前研究的热点之一.三元材料作为一种新型的锂离子正极材料,以其比容量高、嵌脱锂电位高和振实密度高等特性,受到研究者的广泛关注.其理论容量为277.8mAh/g,具有α-NaFeO2型层状岩盐结构.本文对该材料结构性能进行了简单概述;重点论述了针对改善其阳离子混排、大电流容量衰减和过渡金属溶出问题的制备和改性方法;讨论分析了各种合成方法的制备工艺及所得材料的电化学性能;总结了目前对该材料重点关注问题的研究现状,最后对层状三元正极材料的发展进行了展望.
出处 《科学通报》 EI CAS CSCD 北大核心 2013年第19期1809-1816,共8页 Chinese Science Bulletin
基金 国家重点基础研究发展计划(2009CB220100) 国家自然科学基金青年科学基金(51102018 21103011) 国家高技术研究发展计划(2011AA11A235 SQ2010AA1123116001)资助
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