Co-Magneli phases electrocatalysts for hydrogen/oxygen evolution |
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| Authors: | Perica Paunović Orce Popovski Emilija Fidančevska Bogdan Ranguelov Dafinka Stoevska Gogovska Aleksandar T. Dimitrov Svetomir Hadži Jordanov |
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| Affiliation: | 1. Faculty of Technology and Metallurgy, University “Sts. Cyril and Methodius”, Ruger Boškovi? Str., 16, 1000 Skopje, The Former Yugolav Republic of Macedonia;2. Military Academy, Mihajlo Apostolski Str., b.b., 1000 Skopje, The Former Yugolav Republic of Macedonia;3. Institute of Physical Chemistry, Bulgarian Academy of Sciences, Acad.G. Bonchev Str., Bl.11, 1113 Sofia, Bulgaria |
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| Abstract: | The subject of this work is the use of non-stoichiometric titanium oxides – Magneli phases as support material of Co-based electrocatalysts aimed for hydrogen/oxygen evolution reaction. Commercial micro-scaled Ebonex (Altraverda, UK) was mechanically treated for 4, 8, 12, 16 and 20 h and further Co metallic phase was grafted by sol-gel method. Morphology of Co/Ebonex electrocatalysts was observed by means of TEM and SEM microscopy, while electrochemical behavior by means of cyclic voltammetry and steady-state galvanostatic method. |
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| Keywords: | Magneli phases Ebonex Co Hydrogen evolution Oxygen evolution |
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