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原位氧化插层法制备层状LiMnO_2及其机理与性能 被引量:2

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摘要 以Mn(OH)2作为反应前驱体, LiOH为锂化剂, (NH4)2S2O8为氧化剂, 采用原位氧化插层反应方法, 在缓和的实验条件下合成出层状正交结构LiMnO2. 采用X射线粉末衍射(XRD)、电感耦合等离子体原子发射光谱(ICP)、透射电子显微镜(TEM)及核磁共振(7Li-NMR)等手段对样品进行了表征, 结果表明, 使用该方法可以获得单一相、晶型较好、纯度较高的样品. 电化学测试表明该方法合成样品具有较好的电化学性能: 首次放电容量达到208 mAhg-1, 30周循环后放电容量仍保持在180 mAhg-1.
出处 《科学通报》 EI CAS CSCD 北大核心 2004年第19期1958-1961,共4页 Chinese Science Bulletin
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参考文献13

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共引文献2

同被引文献24

  • 1董喜燕,张兴堂,程纲,李蕴才,杜祖亮.MnOOH纳米棒的反胶束法制备及表征[J].化学学报,2004,62(24):2441-2443. 被引量:14
  • 2雷太鸣,周新文,宗红星,张克立.正交结构Li_xMnO_2正极材料的合成及其电化学性能研究[J].无机化学学报,2005,21(2):261-264. 被引量:6
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  • 9ZhongYunbo(钟云波) LiZhihua(李志华) RenZhongming(任忠鸣)etal.中国有色金属学,2005,15(2):241-241.
  • 10Li Honggui(李洪桂).Hydrometallurgy(湿法冶金学)[M].Changsha:Central South University Press.2002.

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