Journal
CORROSION SCIENCE
Volume 144, Issue -, Pages 107-126Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2018.08.003
Keywords
Magnesium; Galvanostatic; Polarization; SEM; Anodic dissolution
Funding
- National Nature Science Foundation of China [51401243]
- China Postdoctoral Science Foundation [2015T80883, 2014M552151]
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AP65 doped with different elements are rolled into the anode plates for Mg-air battery and higher-power seawater activated battery. The discharge and corrosion behaviour of their cross-section surfaces (CS) and rolling surfaces (RS) is systematically studied and the results show that the RS consisting of (0001) crystallographic planes have lower corrosion rates and inhibit the self-discharge at 180 mA cm(-2), whereas the CS with (1170) and (1010) planes provide higher anodic efficiencies at 10 mA cm(-2) and possess stronger discharge activity. Furthermore, the dissolution mechanisms of different surfaces are also elucidated based on microstructure characterization and electrochemical response.
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