Three kinds of aluminum anodes

including Al-Ga-In-Bi-Pb-Mg

Al-Ga-In-Cd-Mg and Al-Ga-In-Pb-Mg

were prepared.The self-corrosion rates of the alloys were tested by measuring corrosion weight loss

hydrogen evolution rates were measured by water immersion technique

electrochemical behavior was examined by electrochemical method

and surface morphology of corrosion alloys was observed by SEM（scanning electron microscope）.The results show that three aluminum alloy anodes have higher negative open circuit potentials

low self corrosion rates and low hydrogen evolution in the 5 mol/L solution.Moreover

with the increase of polarization potential

three anodes exhibit higher electrochemical activities.