Protective coatings based on Mn-Co spinel for current collectors of solid oxide fuel cells |
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| Authors: | S I Bredikhin A A Zhokhov E A Frolova N V Ledukhovskaya I E Kuritsyna V V Sinitsyn E V Korovkin |
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| Institution: | (1) Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Russia |
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| Abstract: | The method of electrostatic spray pyrolysis was designed to apply protective coatings based on Mn-Co spinel to ferrite stainless steels (Crofer22APU and 08Kh18T1). The comparative thermogravimetric (TG) studies of ferrite stainless steels with and without protective coatings were carried out. The electrochemical characteristics of protective coatings exposed to long current loading were studied. The formation processes of Cr2O3 oxide films were studied at the contact of ferrite stainless steel with La0.8Sr0.2MnO3 ionic and electronic conductor. The coatings of Mn-Co spinel were shown not preventing formation of continuous oxide film on the stainless steel surface. |
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| Keywords: | solid oxide fuel cells protective coatings Mn-Co spinel spray pyrolysis |
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