Journal
JOURNAL OF POWER SOURCES
Volume 102, Issue 1-2, Pages 139-143Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0378-7753(01)00789-3
Keywords
zinc electrodes; alkaline solutions; dendrite inhibition; bismuth ion; tetrabutylammonium bromide
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The effectiveness of bismuth ion and tetrabutylammonium bromide (TBAB) as deposit-enhancing additives of zinc electrode has been investigated by means of current-time technique, potentiodynamic polarization and scanning electron microscopy. The experimental results showed that the dendritic, growth of zinc in alkaline zincate solution was inhibited by the addition of Bi3+ and TBAB, respectively. However, at a higher cathodic overpotential TBAB produced little effective suppression on zinc dendrites. Obvious synergistic effect of Bi3+ and TBAB on the dendrite inhibition of zinc electrode was also found. (C) 2001 Elsevier Science B.V. All rights reserved.
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