Double substituted NdBa(Fe,Co,Cu)2O5+δ layered perovskites as cathode materials for intermediate-temperature solid oxide fuel cells-correlation between structure and electrochemical properties

被引：17

作者：

Klyndyuk, Andrei, I ^{[1
]}

Kharytonau, Dzmitry S. ^{[2
]}

Mosialek, Michal ^{[2
]}

Chizhova, Ekaterina A. ^{[1
]}

Komenda, Anna ^{[3
,4
]}

Socha, Robert P. ^{[2
,3
]}

Zimowska, Malgorzata ^{[2
]}

机构：

[1] Belarusian State Technol Univ, Sverdlova St 13A, Minsk 220006, BELARUS

[2] Polish Acad Sci, Jerzy Haber Inst Catalysis & Surface Chem, Niezapominajek 8, PL-30239 Krakow, Poland

[3] Res & Dev Ctr Technol Ind, Ludwika Warynskiego 3A, PL-00645 Warsaw, Poland

[4] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, Al Mickiewicza 30, PL-30059 Krakow, Poland

来源：

ELECTROCHIMICA ACTA | 2022年 / 411卷

关键词：

Intermediate temperature solid oxide fuel cell; Cathode; Layered perovskite; Structural properties; Electrochemical impedance spectroscopy; THERMAL-EXPANSION; LNBAFECOO(5+DELTA) LN; ELECTRICAL-PROPERTIES; TRANSPORT-PROPERTIES; CRYSTAL-STRUCTURE; OXYGEN-CONTENT; ND; SM; YBACO2O5+DELTA; PERFORMANCE;

D O I：

10.1016/j.electacta.2022.140062

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this work, double-doped NdBa(Fe,Co,Cu)(2)O5+delta layered perovskites were prepared by solid state reaction method and comparatively examined. Physicochemical analysis included structural characteristics, linear thermal expansion coefficient, oxygen nonstoichiometry, electrical conductivity, and electrochemical performance of the materials. NdBaCo1.5Cu0.5O5+delta (NBCC2) and NdBaFeCoO5+delta (NBFC) materials exhibited good electrical conductivity and linear thermal expansion coefficient relatively matched to common electrolyte materials. Electrochemical impedance spectroscopy measurements in argon-oxygen mixtures demonstrated promising performance of the synthesized materials as cathode materials for solid-oxide fuel cells. The NBCC2 material showed the lowest polarization resistance of 0.17 (800 degrees C) and 0.67 (700 degrees C) Omega cm(2) at P(O-2) P-1 = 0.2.

引用

页数：10

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