| 梯度材料LiNi0.8Co0.2O2的合成与表征 |
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| 引用本文： | 刘欣艳,夏定国,赵煜娟.梯度材料LiNi0.8Co0.2O2的合成与表征[J].无机化学学报,2006,22(2):321-325. |
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| 作者姓名： | 刘欣艳 夏定国 赵煜娟 |
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| 作者单位： | 北京工业大学环境与能源工程学院,北京,100022 |
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| 基金项目： | 国家科技攻关项目;科技部科研项目 |
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| 摘 要： | The gradient composite LiNi0.8Co0.2O2 was synthesized using spherical Ni(OH)2 particle coated by a sol-gel containing cobalt and lithium. The precursor was examined by DSC-TG. The gradient composite was characterized by SEM, EDS, XPS, XRD and ICP-AES. The XPS, EDS and ICP-AES results show that content of cobalt in the surface is higher than in the center of the spherical particle of the gradient composite. The first discharge specific capacity of the gradient composite sintered at 700 ℃ is 187.3 mAh·g-1.
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| 关 键 词： | 溶胶凝胶 LiNi0.8Co0.2O2 梯度材料 |
| 文章编号： | 1001-4861(2006)02-0321-05 |
| 收稿时间： | 2005-07-05 |
| 修稿时间： | 2005-11-11 |
Synthesis and Characterization of the Gradient Composite LiNi0.8Co0.2O2 |
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| LIU Xin-Yan,XIA Ding-Guo and ZHAO Yu-Juan.Synthesis and Characterization of the Gradient Composite LiNi0.8Co0.2O2[J].Chinese Journal of Inorganic Chemistry,2006,22(2):321-325. |
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| Authors: | LIU Xin-Yan XIA Ding-Guo and ZHAO Yu-Juan |
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| Institution: | College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022,College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022 and College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022 |
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| Abstract: | |
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| Keywords: | sol-gel LiNi0 8Co0 2O2 gradient composite |
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