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Evaluation of electroplated Co-Cu metallic coatings for intermediate-temperature solid oxide fuel cells
Zhang, X.; Zhang, H. L.; Yang, X. G.; Zeng, C. L.
Corresponding AuthorZeng, C. L.(clzeng@imr.ac.cn)
2018-12-06
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume43Issue:49Pages:22458-22466
AbstractCo-Cu alloys have been co-deposited onto 430 ferritic stainless steels via electroplating with a citrate solution. At the initial oxidation stage, a three-layer scale composed of a thin CuO outer layer, a thick (Cu,Fe,Cr)-doped Co3O4 middle layer and a (Cu,Fe)-doped (Co,Cr)(3)O-4 inner layer was formed on the coated steel. With extended oxidation, the (Co,Cr)(3)O-4 inner layer has been transformed into a Cr-rich oxide inner layer. An obvious outward diffusion of Fe appeared, leading to the formation of an (Cu,Cr,Mn)-doped (Co,Fe)(3)O-4 interaction zone between the Co3O4-based spinel and the chromia oxides. The Co-Cu coating effectively blocked the outward migration of Cr from the substrate. No Cr element could be found in the coupled La0.8Sr0.2MnO3 (LSM) plate of the coated sample after oxidized at 800 degrees C in air for 500 h. The highly conductive coating with a structure of CuO/Co-based spinels significantly decreased the growth of the Cr-rich oxide scale, and thus a much lower scale area specific resistance (ASR). The electrical properties and the oxidation mechanism of the coated substrates were discussed. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
KeywordSolid oxide fuel cell Interconnect Co-Cu coating Spinel Area specific resistance Oxidation
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.ijhydene.2018.10.103
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601202] ; National Natural Science Foundation of China[51471179]
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000452940900046
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130841
Collection中国科学院金属研究所
Corresponding AuthorZeng, C. L.
AffiliationChinese Acad Sci, Lab Corros & Protect, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Zhang, X.,Zhang, H. L.,Yang, X. G.,et al. Evaluation of electroplated Co-Cu metallic coatings for intermediate-temperature solid oxide fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2018,43(49):22458-22466.
APA Zhang, X.,Zhang, H. L.,Yang, X. G.,&Zeng, C. L..(2018).Evaluation of electroplated Co-Cu metallic coatings for intermediate-temperature solid oxide fuel cells.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,43(49),22458-22466.
MLA Zhang, X.,et al."Evaluation of electroplated Co-Cu metallic coatings for intermediate-temperature solid oxide fuel cells".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 43.49(2018):22458-22466.
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