Incorporating ceramic nanorods into nanofiber cathodes for efficient solid oxide fuel cells through smart suspension infiltration - Details

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Direct　incorporation　of　pre-synthesized　ceramic　nanoparticles　into　porous　scaffolds　offers　a　simplified　process　for　constructing　a　nanostructured　electrode　with　precisely　controlled　composition　and　morphology　for　solid　oxide　fuel　cells.　However,　the　homogeneous　distribution　of　ceramic　nanoparticles　in　the　scaffolds　remains　a　critical　challenge.　Herein,　we　address　the　challenge　by　incorporating　ultrafine　Gd0.1Ce0.9O1.95　(GDC)　nanorods　into　a　highly　porous　La0.8Sr0.2MnO3+δ　(LSM)　nanofiber　scaffolds.　The　porous　morphology　of　the　LSM　nanofibers　is　preserved　in　the　scaffolds　through　ultrasonic　dispersion　and　drip　coating.　The　GDC　nanorods,　synthesized　by　a　polyethylene　glycol-assisted　hydrothermal　method,　exhibit　abundant　surface　oxygen　vacancies.　The　GDC　nanorods　are　evenly　dispersed　within　the　nanofiber　scaffolds　during　infiltration　of　the　aqueous　ceramic　suspension.　A　single　cell　with　the　GDC-LSM　cathode　demonstrates　a　peak　power　density　of　1.2　W　cm–2　at　800　°C　with　excellent　operational　stability　over　100　h.　This　work　provides　a　strategy　for　developing　efficient,　durable　nanocomposite　cathodes.　©　2025　Elsevier　Ltd

Keyword：

Cathodes Ceramic materials Cerium compounds Gadolinium compounds Gas fuel purification Infiltration Manganese compounds Nanofibers Nanoparticles Oxygen vacancies Scaffolds (biology) Suspensions (components) Suspensions (fluids)

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[ 1 ] [Chen, Zhiyi]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 2 ] [Chen, Zhiyi]College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 3 ] [Liu, Quan]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 4 ] [Luo, Shuai]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 5 ] [Huang, Jiongyuan]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 6 ] [Qian, Jiaqi]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 7 ] [Tian, Dong]Huainan Engineering Research Center for Fuel Cells, Anhui Key Laboratory for Low Temperature Co-Fired Materials, Huainan Normal University, Huainan; 232001, China
[ 8 ] [Ai, Na]Fujian College Association Instrumental Analysis Center, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 9 ] [Guan, Chengzhi]Department of Hydrogen Technique, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai; 201800, China
[ 10 ] [Yuan, Pei]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 11 ] [Yuan, Pei]College of Chemical Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China
[ 12 ] [Jiang, San Ping]National Energy Key Laboratory for New Hydrogen-Ammonia Energy Technologies, Foshan Xianhu Laboratory, Foshan; 528200, China
[ 13 ] [Jiang, San Ping]WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth; 6102, Australia
[ 14 ] [Chen, Kongfa]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350108, China

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Source ：

Journal of the European Ceramic Society

ISSN： 0955-2219

Year： 2026

Issue： 2

Volume： 46

5 . 8 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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