引用本文:
王先友, 刘冰, 袁华堂, 张允什. 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.
Citation: 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.
Citation: 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.
Mm(NiCoMnAl)5贮氢合金中铝对直封型MH/Ni电池性能的影响
摘要:
制作电池前在正极活性物质β-Ni(OH)2微粒表面沉积5% Co,抑制了γ-NiOOH的产生,并能有效地防止β-Ni(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
English
Effect of Al in Mm(NiCoMnAl)5 on the Performance of the Sealed MH/Ni Cell
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 Ni1-xAlx(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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Key words:
- hydrogen storage alloy
- / Al
- / sealed MH/Ni cell
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