Al-substituted alpha-nickel hydroxide prepared by homogeneous precipitation method with urea
文献类型:期刊论文
作者 | Y. L. Zhao ; J. M. Wang ; H. Chen ; T. Pan ; J. Q. Zhang ; C. N. Cao |
刊名 | International Journal of Hydrogen Energy
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出版日期 | 2004 |
卷号 | 29期号:8页码:889-896 |
关键词 | homogeneous precipitation urea al-substituted alpha-nickel hydroxide electrochemical performance phase structure alkaline secondary cells electrode material beta-ni(oh)(2) performance batteries |
ISSN号 | 0360-3199 |
中文摘要 | Al-substituted alpha-nickel hydroxide was prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea. The experimental results of XRD and FTIR show that the Ni(OH)(2) samples prepared by this method are typical a-phase. The 0% Al-containing alpha-Ni(OH)(2) is labile in alkaline media and easily converted to beta-Ni(OH)(2). The stability of the samples increases with increase in Al content. The SEM results show that the 0% Al-containing sample contain spherical particles with some degree of agglomeration, while the 16.8% Al-containing sample displays an irregular shape. The galvanostatic charge-discharge experiments show that the discharge potential of Al-substituted alpha-Ni(OH)(2) increases with increase in Al content. However, the maximum discharge capacities decrease slightly with increasing Al content at the 0.1 C rate. The Al-substituted alpha-Ni(OH)(2) samples have better activation performance than the 0% Al-containing sample at the 0.1 C rate. At the 1.0 C rate, the 19.5% Al-containing sample has the highest discharge capacity and relatively better cycle stability. (C) 2003 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-14 |
源URL | [http://ir.imr.ac.cn/handle/321006/35747] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | Y. L. Zhao,J. M. Wang,H. Chen,et al. Al-substituted alpha-nickel hydroxide prepared by homogeneous precipitation method with urea[J]. International Journal of Hydrogen Energy,2004,29(8):889-896. |
APA | Y. L. Zhao,J. M. Wang,H. Chen,T. Pan,J. Q. Zhang,&C. N. Cao.(2004).Al-substituted alpha-nickel hydroxide prepared by homogeneous precipitation method with urea.International Journal of Hydrogen Energy,29(8),889-896. |
MLA | Y. L. Zhao,et al."Al-substituted alpha-nickel hydroxide prepared by homogeneous precipitation method with urea".International Journal of Hydrogen Energy 29.8(2004):889-896. |
入库方式: OAI收割
来源:金属研究所
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