Interaction between SOFCs interconnect Cr-free multicomponent spinel coating materials and chromia

被引：4
|
作者：
Li, Hongyi [1 ,2 ]
Wang, Yanli [2 ]
Liu, Huijun [1 ]
Yang, Lingxu [1 ]
Liu, Zhengliang [1 ]
Zeng, Chaoliu [1 ]
机构：
[1] Songshan Lake Mat Lab, Dongguan 523808, Peoples R China
[2] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 81期
关键词：
Cr -free multicomponent spinel; oxides; SOFCs interconnect; Diffusion couple; Interaction; FERRITIC STAINLESS-STEELS; SLUGGISH DIFFUSION; OXIDE; PERFORMANCE; DEPOSITION; OXIDATION; CATHODE; IRON; FE;
D O I：
10.1016/j.ijhydene.2023.04.324
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Excellent Cr diffusion resistance and interface stability is essential for coatings applied on the surface of ferrite stainless steel interconnect for SOFCs. Four kinds of materials, the equimolar (MnFeCoNiCu)3O4 (Eq), non-equimolar (Mn0.272Fe0.272Co0.272Ni0.092Cu0.092)3O4 (Non-Eq), MnCo2O4 (MC) and the Quaternary (MnFeCoNi)3O4 (Quaternary), are combined with chromium oxide to form diffusion couples in order to study the interfacial reaction mechanism. The constitutes and morphologies of the samples are tested. Two different composition reaction layers are found in equimolar/Cr2O3 diffusion couple. A slight Cr inward diffusion is detected in Quaternary/Cr2O3 diffusion couple.& COPY; 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：31700 / 31707
页数：8
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