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Citation: Li Zhen-Ya, Qin Xue, Yu Yuan-Bin, Chen Yan-Ying, Yi Ling, Yang Lin. The Electrochemical Behavior of Al Alloys Containing Tin and Gallium in Alkaline Electrolytes[J]. Acta Physico-Chimica Sinica, ;1999, 15(04): 381-384. doi: 10.3866/PKU.WHXB19990418 shu

The Electrochemical Behavior of Al Alloys Containing Tin and Gallium in Alkaline Electrolytes

1.
Tianjin University,Tianjin 300072

Received Date: 9 May 1998
Available Online: 15 April 1999

The major reason of Al anode activation is that Ga can plate out on the aluminum surface and form activated points. The Al-Sn, Al - Ga binary alloys can't be activat6d in alkaline medium. During the dissolution of the Al - Sn - Ga ternary anode, Sn and Ga dissolove solution aions as ions. After Sn ions deposit on the surface of Al anode, Ga ions will underpotentially deposit on Sn. The higher activation of the polycomponent alloy anode is caused by much more new activated points being continually formed. The activation mechanism for the polycomponent Al-alloy anode in alkaline medium is abided by the" dissolution-deposition".
- Al anode,
- Activation,
- Underpotential deposition
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