| Mm(NiCoMnAl)5贮氢合金中铝对直封型MH/Ni电池性能的影响 |
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| 引用本文： | 王先友 刘冰. Mm(NiCoMnAl)5贮氢合金中铝对直封型MH/Ni电池性能的影响[J]. 应用化学, 1999, 16(1): 54-57 |
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| 作者姓名： | 王先友 刘冰 |
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| 作者单位： | 南开大学新能源材料化学研究所 |
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| 摘 要： | 制作电池前在正极活性物质βＮｉ（ＯＨ）２微粒表面沉积５％Ｃｏ，抑制了γＮｉＯＯＨ的产生，并能有效地防止βＮｉ（ＯＨ）２在充放循环过程中粉化，通过对电池充放电曲线的测量、Ｘ射线分析，探明了用前处理方法可消除贮氢合金中铝对正极活性物质的影响．
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| 关 键 词： | 贮氢合金，Al，直封型MH／Ni电池 |
Effect of Al in Mm(NiCoMnAl) 5 on the Performance of the Sealed MH/Ni Cell |
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| Wang Xianyou,Liu Bing ,Yuan Huatang,Zhang Yunshi. Effect of Al in Mm(NiCoMnAl) 5 on the Performance of the Sealed MH/Ni Cell[J]. Chinese Journal of Applied Chemistry, 1999, 16(1): 54-57 |
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| Authors: | Wang Xianyou Liu Bing Yuan Huatang Zhang Yunshi |
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| Affiliation: | Wang Xianyou,Liu Bing *,Yuan Huatang,Zhang Yunshi |
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| Abstract: | XRD results showed that in sealed MH/Ni cell Al can be dissolved in alkaline solution and precipited on the surface of Ni(OH) 2, forming Ni 1- x Al x (OH) 2. Surface pretreatment of the hydrogen storage alloy powder of Mm(NiCoMnAl) 5 (Mm=mixed rare earth metal) could avoid the Al being released into the sealed MH/Ni cell. |
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| Keywords: | hydrogen storage alloy Al sealed MH/Ni cell |
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