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A STUDY OF THE ELECTROCHEMISTRY OF NICKEL-HYDROXIDE ELECTRODES WITH VARIOUS ADDITIVES
Alternative TitleJ. Power Sources
Zhu, W. H.; Ke, J. J.; Yu, H. M.; Zhang, D. J.
1995
Source PublicationJournal of Power Sources
Issue1Pages:75-79
AbstractNickel composite electrodes (NCE) with various additives are prepared by a chemical impregnation method from nitrate solutions on sintered porous plaques. The electrochemical properties, such as utilization of active material, swelling and the discharge potential of the nickel oxide electrode (NOE) are determined mainly through the composition of the active material and the characteristics of nickel plaques. Most additives (Mg, Ca, Sr, Ba, Zn, Cd, Co, Li and Al hydroxide) exert effects on the discharge potential and swelling of the NOE. Chemical co-precipitation with the addition of calcium, zinc, magnesium and barium hydroxide increases the discharge potential by more than 20 mV, but that with zinc hydroxide results in an obvious decrease of active-material utilization and that with calcium and magnesium hydroxide produces a larger increase of electrode thickness. The effects of anion additives are also examined. Less than 1% mol of NiS in the active material increases the discharge potential, Cadmium, cobalt and zinc hydroxide are excellent additives for preventing swelling of the NCE. Slow voltammetry (0.2 mV s(-1)) in 6 M KOH is applied to characterize the oxygen-evolving potential of the NCE. The difference between the oxygen-evolution potential and the potential of the oxidation peak for the NCE with additives of calcium, lithium, barium and aluminium hydroxide is at least + 60 mV.
KeywordNickel Hydroxide Electrodes Additives Oxide Electrodes
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Indexed BySCI
Language英语
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6081
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Zhu, W. H.,Ke, J. J.,Yu, H. M.,et al. A STUDY OF THE ELECTROCHEMISTRY OF NICKEL-HYDROXIDE ELECTRODES WITH VARIOUS ADDITIVES[J]. Journal of Power Sources,1995(1):75-79.
APA Zhu, W. H.,Ke, J. J.,Yu, H. M.,&Zhang, D. J..(1995).A STUDY OF THE ELECTROCHEMISTRY OF NICKEL-HYDROXIDE ELECTRODES WITH VARIOUS ADDITIVES.Journal of Power Sources(1),75-79.
MLA Zhu, W. H.,et al."A STUDY OF THE ELECTROCHEMISTRY OF NICKEL-HYDROXIDE ELECTRODES WITH VARIOUS ADDITIVES".Journal of Power Sources .1(1995):75-79.
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