Molten salt synthesis of Nb-doped (La, Sr)FeO 3 as the oxygen electrode for reversible solid oxide cells - Details

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Abstract：

A　novel　molten　salt　method　was　employed　to　synthesize　10%　Nb　doped　La　0.6　Sr　0.4　FeO　3−δ　(LSFN).　The　as-synthesized　powders　were　pure　and　adopted　a　porous　structure.　Using　LSFN　as　the　oxygen　electrode　for　a　reversible　solid　oxide　cell,　the　button　cell　exhibited　a　peak　power　density　of　0.79　W　cm　−2　in　H　2　and　an　electrolysis　current　density　of　0.89　A　cm　−2　at　1.3　V　in　50%　CO　2　/50%　H　2　at　800　°C.　A　large　fraction　of　Fe　2+　was　found　in　LSFN,　resulting　in　the　improved　performance.　Our　results　indicate　that　the　molten　salt　method　is　a　promising　approach　for　the　synthesis　of　highly　active　perovskite　electrode　with　a　dopant　of　Nb.　©　2019

Keyword：

Defects; Lanthanum-strontium-ferrite; Molten salt synthesis; Nb doping; Porous materials; Solid oxide cell

Community：

[ 1 ] [Guan, C.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 2 ] [Guan, C.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 3 ] [Wang, Y.]Institute for Materials Research and Innovation and Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA 70503, United States
[ 4 ] [Chen, K.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, China
[ 5 ] [Xiao, G.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 6 ] [Lin, X.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 7 ] [Lin, X.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 8 ] [Zhou, J.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 9 ] [Song, S.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 10 ] [Wang, J.-Q.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 11 ] [Zhu, Z.]Department of Molten Salt Chemistry and Engineering and Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 12 ] [Zhou, X.-D.]Institute for Materials Research and Innovation and Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA 70503, United States

Reprint 's Address：

[Chen, K.]College of Materials Science and Engineering, Fuzhou UniversityChina

Email：

kongfa.chen@fzu.edu.cn

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Source ：

Materials Letters

ISSN： 0167-577X

Year： 2019

Volume： 245

Page： 114-117

3 . 2 0 4

JCR@2019

2 . 7 0 0

JCR@2023

ESI HC Threshold：236

JCR Journal Grade：2

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 19

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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