Muralidharan, V.S. and Jayalakshmi, N. and Mageswari, P. (1991) Electrochemical behaviour of nickel and nickel oxyhydroxide in alkaline carbonate solutions. Bulletin of Electrochemistry, 7 (8). pp. 355-361. ISSN 0256-1654

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Carbonation is a serious problem in alkaline batteries affecting the performance and cycle life. Cyclic voltametric studies on pure nickel and electrodeposited NIOOH have been made in 0.1 to 10M KOH solutions containing carbonates. In presence of carbonate, nickel carbonate formed prevents the oxidation of divalent hydroxides. The diffusion of protons away from the oxide and of hydroxyl ion towards the electrode in hindered there by influencing the charge storage reaction. The oxygen evolution reaction and self-discharge are enhanced by the presence of carbonates which in turn may lower the cycle life.

Item Type: Article
Uncontrolled Keywords: Cyclic Voltametry; nickel oxyhydroxide; carbonation
Subjects: Corrosion Science and Engineering
Depositing User: ttbdar CECRI
Date Deposited: 21 May 2012 07:37
Last Modified: 21 May 2012 07:37

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