Electrochemical deposition of Fe and Fe/CNTs composites from strongly alkaline hematite suspensions

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abstract

Cathodic electrodeposition of Fe and Fe/CNTs composites from Fe2O3 suspensions in 10 M NaOH was reported for the first time. Triethanolamine (TEA) was used as an additive in the plating suspension and found to improve the morphology and adhesion of the deposits. TEA acted as an effective stabilizer for carbon nanotubes (CNTs) in strongly alkaline media and facilitated incorporation of CNTs into Fe matrix during the deposition, giving rise to Fe/CNTs composites. Current efficiency, microstructure, morphology of Fe deposits and Fe/CNTs composites as well as carbon content in Fe/CNTs revealed at different deposition conditions were determined.

keywords

HYDROGEN EVOLUTION REACTION; MULTIWALLED CARBON NANOTUBES; CATALYTIC ENHANCEMENT; MAGNETIC-PROPERTIES; HIGH COERCIVITY; IRON; ELECTRODEPOSITION; FILMS; NANOCOMPOSITE; COATINGS

subject category

Electrochemistry

authors

Ivanova, YA; Monteiro, JF; Horovistiz, AL; Ivanou, DK; Mata, D; Silva, RF; Frade, JR

our authors

no photo

Ana Lúcia Horovistiz

Post-doc Fellowship
no photo

Diogo Miguel Rodrigues Marinho da Mata

Post-doc Fellowship
no photo

Dzmitry Ivanou

foto Jorge Ribeiro Frade

Jorge Ribeiro Frade

Retired Professor
foto José Filipe Pinto Monteiro

José Filipe Pinto Monteiro

PhD Student
foto Rui Ramos Ferreira e Silva

Rui Ramos Ferreira e Silva

Associate Professor
no photo

Yuliya Ivanova

Post-Doc Fellowship

Groups

G3 - Electrochemical Materials, Interfaces and Coatings

Projects

IERO-Iron production by Electrochemical Reduction of its Oxide for high CO2 mitigation (IERO)

Centre for Research in Ceramics and Composite Materials - CICECO (LA0011: 2013-2014) (PEst-C/CTM/LA0011/2013)

acknowledgements

This work was supported by the European Unions Research Fund for Coal and Steel (RFCS) research program, under Grant agreement RFSR-CT-2010-00002, and by the Foundation for Science and Technology (FCT), Portugal (SFRH/BD/68290/2010 and PEst-C/CTM/LA0011/2013).

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Publication Details

type
Journal Article
year
2015
journal
JOURNAL OF APPLIED ELECTROCHEMISTRY
volume
45
publisher
SPRINGER
issn
0021-891X
issue
5
digital object identifier
10.1007/s10800-015-0803-6
web of science article identifier
WOS:000352657300013

Journal Metrics (JCR 2019)

Journal Impact Factor
2.384
Journal Impact Factor (5 yrs)
2.398
category normalized journal percentile
35.185

Citations

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