In Situ FTIR Spectroscopic Study of β-Ni(OH)2 Electrode

Abstract

Abstract: The electrochemical behavior of β-Ni(OH)₂ electrode in 3mol/L NaOHwas investigated by using in situ subtractsvely normalized interfacial FTIRspectrometry(SNIFTIRS).It was found from in situ SNIFTIRSspectra, that the surface of β-Ni(OH)₂ layer is changed to β-NiOOHobviously when the potential is higher than 0.5 V.The anodic oxidation of β-Ni(OH)₂ layer is started from β-Ni((OH)₂/solution interface.But the cathodic reduction of β-NiOOHlayer is possibly started from Ni/β-NiOOHinterface.The influence of solvent on SNIFTIRSspectra of β-Ni(OH)₂ can be reduced by using NaODheavy water solution instead of NaOHsolution.

Key words: Ni(OH)₂ electrode, IR spectra, Spectroelectrochemistry

TrendMD:

Jiang Zhiyu, Yan Manming, Wang Jie . In Situ FTIR Spectroscopic Study of β-Ni(OH)₂ Electrode[J]. Chem. J. Chinese Universities, 1989, 10(12): 1221.

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In Situ FTIR Spectroscopic Study of β-Ni(OH)₂ Electrode

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