Corrosion Behavior Improvements of High Active Aluminum Alloy Anode in Alkaline Solution by Adding Inhibitors


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The Na2SnO3 and H-N-R inhibitors effects on the high active aluminum alloy in alkaline solution (805mol/LNaOH) have been systematically studied by hydrogen collection and electrochemical measurement in the present investigation. The results showed that the hydrogen evolution rate was low at the value of 0.404 mL/ (min·cm2) in alkaline solution with 0.01mol/L Na2SnO3, but the electrode potential was only -1.515Vvs.SCE and it moved to the positive direction seriously; When adding 10wtH-N-R and 0.01mol/LNa2SnO3 into the alkaline solution simultaneously, the aluminum alloy anode had a lower hydrogen evolution rate of 0.342mL/ (min·cm2) and a more negative electrode potential of -1.591Vvs.SCE. The electrochemical performance of aluminum alloy anode has been improved greatly by the cooperation of H-N-R and Na2SnO3.



Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.




S. Q. Liang et al., "Corrosion Behavior Improvements of High Active Aluminum Alloy Anode in Alkaline Solution by Adding Inhibitors", Materials Science Forum, Vols. 546-549, pp. 1153-1158, 2007

Online since:

May 2007




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