| 纳米界面结构氢氧化镍的制备及其电性能 |
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| 引用本文： | 危亚辉,张翔宇,欧阳红勇,周新东,彭美勋.纳米界面结构氢氧化镍的制备及其电性能[J].矿冶工程,2009,29(3):82-84. |
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| 作者姓名： | 危亚辉 张翔宇 欧阳红勇 周新东 彭美勋 |
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| 作者单位： | 1. 湖南金能科技股份有限公司, 湖南 长沙 410012;
2. 长沙矿冶研究院, 湖南 长沙 410012;
3. 湖南科技大学 化学化工学院, 湖南 湘潭 411201 |
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| 摘 要： | 采用液相受控结晶沉淀法制备了纳米界面结构氢氧化镍材料, 重点考察了界面结构纳米化对目标化合物的物化性能及其电性能的影响, 应用SEM、循环伏安和恒电流充放电等方法对产物进行了结构表征和性能测试。结果表明, 氢氧化镍材料界面结构适度纳米化后, 材料的形貌结构得到进一步改善, 并且材料的放电容量和化成速度明显提高; 纳米氢氧化镍包覆层的含量占10%左右综合性能较好。
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| 关 键 词： | 镍氢电池 正极材料 氢氧化镍 界面结构 纳米化 |
| 收稿时间： | 2009-03-26 |
Synthesis and Electrochemical Performence of Nickel Hydroxide with Nano Interfacial Structure |
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| WEI Ya-hui,ZhANG Xiang-yu,OUYANG Hong-yong,ZHOU Xin-dong,PENG Mei-xun.Synthesis and Electrochemical Performence of Nickel Hydroxide with Nano Interfacial Structure[J].Mining and Metallurgical Engineering,2009,29(3):82-84. |
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| Authors: | WEI Ya-hui ZhANG Xiang-yu OUYANG Hong-yong ZHOU Xin-dong PENG Mei-xun |
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| Affiliation: | 1. Hunan Kenon Science & Technology Co Ltd, Changsha 410012, Hunan, China;
2. Changsha Research Institude of Minerial and Metallurgy, Changsha 410012, Hunan, China;
3. School of Chemistry and Chemical Engineering, Hunan University of Science & Technology, Xiangtan 411201, Hunan, China |
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| Abstract: | Nickel hydroxide material with nano interfacial structure was synthesized by controlled crystallization-precipitation mothed.The effects of nanocrystallization of interfacial structure of nickel hydroxide on its physical and electrochemical performances were investigated emphatically.The structure and electrochemical performance of nickel hydroxide particles were characterized and analyzed by scanning electromicroscopy(SEM),cyclice voltammetry(CV) and charge-discharge test.The results indicated that the mor... |
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| Keywords: | Ni-MH battery positive material nickel hydroxide interfacial structure nanocrystallization |
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