S Q Liang et al 2009 J. Phys.: Conf. Ser. 188 012022 doi:10.1088/1742-6596/188/1/012022
Effect of nano-segregation phases on electrochemical property of high active Al alloy anode
S Q Liang, Y Zhang, Z W Mao, Y Tang and D K Guan
Show affiliationsThe effect of nano-segregation phases formed during rolling process on the electrochemical property of Al-Mg-Sn-Bi-Ga-In alloy anode in alkaline solution (80°C, Na2SnO3 + 5mol/L NaOH)was analyzed according to the chronopotentiometry (E-T curves), hydrogen collection tests and modern microstructure analysis. The results show that when controlling the rolling temperature and pass deformation at 370°C and 40% respectively, the Al alloy anode undergoes the dynamic recrystallization, which benefits to the uniform distribution of nano-segregation phases and improvement of electrochemical property of Al alloy anode. The optimum Al alloy anode has the more negative electrode potential of about -1.48V (vs.Hg/HgO) and the lower hydrogen evolution rate of 0.1889mL/ (min
cm2).
- PACS
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82.45.Yz Nanostructured materials in electrochemistry
81.40.Gh Other heat and thermomechanical treatments
62.20.F- Deformation and plasticity
- Subjects
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Soft matter, liquids and polymers
Condensed matter: structural, mechanical & thermal
- Dates
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Issue 1 (2009)
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Effect of nano-segregation phases on electrochemical property of high active Al alloy anode
S Q Liang et al 2009 J. Phys.: Conf. Ser. 188 012022
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K fields, compactons and thick branes
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