Molten salt synthesis of high-performance, nanostructured La0.6Sr0.4FeO3-δ oxygen electrode of a reversible solid oxide cell - Details

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Abstract：

Nanoscale　perovskite　oxides　with　enhanced　electrocatalytic　activities　have　been　widely　used　as　oxygen　electrodes　of　reversible　solid　oxide　cells　(RSOC).　Here,　La0.6Sr0.4FeO3-δ　(LSF)　nanoscale　powder　is　synthesized　via　a　novel　molten　salt　method　using　chlorides　as　the　reaction　medium　and　fired　at　850　°C　for　5　h　after　removing　the　additives.　A　direct　assembly　method　is　employed　to　fabricate　the　LSF　electrode　without　a　pre-sintering　process　at　high　temperature.　The　microstructure　characterization　ensures　that　the　direct　assembly　process　will　not　damage　the　porosity　of　LSF.　When　operating　as　a　solid　oxide　fuel　cell　(SOFC),　the　LSF　cell　exhibits　a　peak　power　density　of　1.36,　1.07　and　0.7　W/cm2　at　800,　750　and　700　°C,　respectively,　while　in　solid　oxide　electrolysis　cell　(SOEC)　mode,　the　electrolysis　current　density　reaches　1.52,　0.98　and　0.53　A/cm2　under　an　electrolysis　voltage　of　1.3　V,　respectively.　Thus,　it　indicates　that　the　molten　salt　routine　is　a　promising　method　for　the　synthesis　of　highly　active　perovskite　LSF　powders　for　directly　assembled　oxygen　electrodes　of　RSOC.　©　2020　by　the　authors.

Keyword：

Direct assembly; Interface; LSF oxygen electrode; Molten salt synthesis; Reversible solid oxide fuel cell

Community：

[ 1 ] [Zuo, X.]School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
[ 2 ] [Zuo, X.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 3 ] [Chen, Z.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
[ 4 ] [Guan, C.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 5 ] [Guan, C.]Dalian National Laboratory for Clean Energy, Dalian, 116023, China
[ 6 ] [Chen, K.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
[ 7 ] [Song, S.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 8 ] [Xiao, G.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 9 ] [Xiao, G.]Dalian National Laboratory for Clean Energy, Dalian, 116023, China
[ 10 ] [Pang, Y.]School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
[ 11 ] [Wang, J.-Q.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
[ 12 ] [Wang, J.-Q.]Dalian National Laboratory for Clean Energy, Dalian, 116023, China

Reprint 's Address：

[Wang, J.-Q.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of SciencesChina

Email：

wangjianqiang@sinap.ac.cn

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Materials

ISSN： 1996-1944

Year： 2020

Issue： 10

Volume： 13

3 . 6 2 3

JCR@2020

3 . 1 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count： 14

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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