| 锌负极材料锌酸钙的晶体形貌和物化性质研究 |
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| 引用本文： | 金达莱,岳林海,徐铸德.锌负极材料锌酸钙的晶体形貌和物化性质研究[J].无机化学学报,2005,21(2):265-269. |
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| 作者姓名： | 金达莱 岳林海 徐铸德 |
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| 作者单位： | 浙江大学化学系,杭州,310027 |
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| 摘 要： | 0引言
碱性可充锌基电池因其具有能量密度高、无环境污染而引起人们的广泛重视.上世纪70年代掀起了二次锌电极研究的热潮.但电极材料的形变、枝晶等问题依旧影响了锌电极的开发利用.
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| 关 键 词： | 锌酸钙 TG-DTA XRD SEM |
| 文章编号： | 1001-4861(2005)02-0265-05 |
| 收稿时间： | 7/5/2004 12:00:00 AM |
| 修稿时间： | 2004年7月5日 |
Morphology and Physical Properties of Calcium Zincate |
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| JIN Da-Lai,YUE Lin-Hai and XU Zhu-De.Morphology and Physical Properties of Calcium Zincate[J].Chinese Journal of Inorganic Chemistry,2005,21(2):265-269. |
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| Authors: | JIN Da-Lai YUE Lin-Hai and XU Zhu-De |
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| Institution: | Department of Chemistry, Zhejiang University, Hangzhou 310027,Department of Chemistry, Zhejiang University, Hangzhou 310027 and Department of Chemistry, Zhejiang University, Hangzhou 310027 |
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| Abstract: | Polymorphic calcium zincate has been successfully synthesized in alkaline solution at various concentrations as well as at different temperatures. SEM images indicated that the concentration of the alkaline solution affected significantly the morphology of the calcium zincate crystal. Calcium zincate crystalline changed from regular parallelogram to unregular small crashed grains at a higher alkali concentration. And hexagonal calcium zincate crystal was obtained at higher reaction temperature. The stoichiometric composition for calcium zincate was Ca(OH)2·2Zn(OH)2·(2n-2)H2O as analyzed by TG, where n decreased with the increase of the alkaline concentration. XRD analysis showed that the temperature affected differently the growth of each face of the crystal, which led to the hexagonal shape of calcium zincate crystal. |
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| Keywords: | calcium zincate TG-DTA XRD SEM |
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