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Novel perovskite-spinel composite conductive ceramics for SOFC cathode contact layer
Xin, Xianshuang1; Liu, Leimin2; Liu, Yan2; Zhu, Qingshan3
2018-12-20
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume43Issue:51Pages:23036-23040
Abstract

Perovskite-spinel composite conductive ceramics are developed for solid oxide fuel cell (SOFC) cathode contact layer. The precursor of the composite materials includes micron-sized La0.6Sr0.4Co0.2 Fe0.8O3 (LSCF) perovskite particles coated by the reduced nano-sized Mn0.9Y0.1CO2O4 (MYC) spinel material, and then it is sintered in-situ to obtain perovskite-spinel composites. The sintering activity of the composites is enhanced by using the reduced spinel powders. The conductive performance of the composite materials is effectively improved due to the high conductivity of perovskite LSCF particles utilized. Measured at 750 degrees C under constant current density of 400 mA/cm(2), after running 200 h, the area specific resistance (ASR) value of cathode contact layer remains relatively stable at around 5.4 m Omega cm(2). The developed LSCF-MYC composite as cathode contact layer presents good bonding strength with both cathode and interconnection, and shows obviously low contact resistance and high stability. (C) 2018 Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.

KeywordSolid Oxide Fuel Cell (Sofc) Cathode Contact Layer Contact Resistance Perovskite-spinel Composite In-situ Sintering
DOI10.1016/j.ijhydene.2018.10.159
Language英语
WOS KeywordFuel-cell Stacks ; Crofer22apu Interconnect ; Fe-22cr Mesh
Funding ProjectNational Natural Science Foundation of China, China[51671210] ; National Natural Science Foundation of China, China[51671209] ; Shanghai Natural Science Foundation, China[14ZR1446000]
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
Funding OrganizationNational Natural Science Foundation of China, China ; Shanghai Natural Science Foundation, China
WOS IDWOS:000453642500024
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/27602
Collection中国科学院过程工程研究所
Corresponding AuthorXin, Xianshuang; Zhu, Qingshan
Affiliation1.Chinese Acad Sci SICCAS, CAS Key Lab Mat Energy Convers, Shanghai Inst Ceram, 588 He Shuo Rd, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, State Key Lab High Performance Ceram & Superfine, Shanghai Inst Ceram, 588 He Shuo Rd, Shanghai 201800, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xin, Xianshuang,Liu, Leimin,Liu, Yan,et al. Novel perovskite-spinel composite conductive ceramics for SOFC cathode contact layer[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2018,43(51):23036-23040.
APA Xin, Xianshuang,Liu, Leimin,Liu, Yan,&Zhu, Qingshan.(2018).Novel perovskite-spinel composite conductive ceramics for SOFC cathode contact layer.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,43(51),23036-23040.
MLA Xin, Xianshuang,et al."Novel perovskite-spinel composite conductive ceramics for SOFC cathode contact layer".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 43.51(2018):23036-23040.
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