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Title: Aluminum anodization in deionized water as electrolyte
Author: Lisenkov, Aleksey D.
Poznyak, Sergey K.
Zheludkevich, Mikhail L.
Ferreira, Mário G. S.
Keywords: Aluminium oxide
Anodic films
Discharge anodization
High-voltage anodization
Issue Date: 2016
Publisher: Electrochemical Society
Abstract: Thin oxide films were prepared electrochemically on the aluminum surface using the high-voltage discharge and potentiostatic methods in deionized water as an electrolyte. The growth of continuous films occurred only at potentials lower than the breakdown potential. The films obtained by the discharge method are more uniform and can grow to a higher thickness in comparison to those formed by the potentiostatic mode, as demonstrated by electrochemical impedance spectroscopy (EIS), transmission electron microscopy (TEM), and scanning Kelvin probe force microscopy (SKPFM). The data herein obtained can be used as a reference to understand better the properties of the films produced in conventional electrolytes where apart from water other species are present.
Peer review: yes
DOI: 10.1149/2.0881607jes
ISSN: 0013-4651
Appears in Collections:CICECO - Artigos

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