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author：

Chen, K. (Chen, K..) [1] | Yang, H. (Yang, H..) [2] | Chen, Z. (Chen, Z..) [3] | Huang, J. (Huang, J..) [4] | Qian, J. (Qian, J..) [5] | Yue, Z. (Yue, Z..) [6] | Zhang, L. (Zhang, L..) [7] | Guan, C. (Guan, C..) [8] | Wang, X. (Wang, X..) [9] | Shao, Y. (Shao, Y..) [10] | Jiang, S.P. (Jiang, S.P..) [11] | Ai, N. (Ai, N..) [12]

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Scopus

Abstract：

Perovskite　oxide　Ba0.5Sr0.5Co0.8Fe0.2O3‒δ　(BSCF)　is　a　highly　active　cathode　material　widely　studied　for　intermediate　temperature　solid　oxide　fuel　cells　(IT-SOFCs),　however,　the　tendency　of　phase　transition　of　BSCF　under　IT-SOFC　operating　conditions　poses　a　critical　challenge　for　its　reliable　applications.　Here,　a　multiphase　BSCF-Gd0.1Ce0.9O1.95　(GDC)　nanocomposite　with　heterogeneous　interfaces　is　synthesized　at　a　relatively　low　calcination　temperature　of　750　°C.　Both　the　multiphase　composition　and　microstructural　morphology　of　the　nanocomposite　are　very　stable　during　annealing　at　750　°C.　The　unique　multiphase　structure　and　ultrafine　microstructure　of　the　nanocomposite　can　be　maintained　in　the　resultant　cathode　through　a　sintering-free　direct　assembly　fabrication　method.　As　a　consequence,　a　corresponding　single　cell　based　on　the　BSCF-GDC　nanocomposite　cathode　generates　a　maximum　power　density　of　1.41　W　cm−2　at　750　°C　with　outstanding　galvanostatic　stability　for　100　h.　This　work　provides　an　effective　means　for　the　design　and　utilization　of　highly　active　BSCF-based　nanocomposite　cathodes　for　durable　IT-SOFCs.　©　2024　Elsevier　Ltd　and　Techna　Group　S.r.l.

Keyword：

BSCF Phase transition Sintering-free direct assembly Solid oxide fuel cells

Community：

  • [ 1 ] [Chen K.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 2 ] [Yang H.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 3 ] [Chen Z.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 4 ] [Huang J.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 5 ] [Qian J.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 6 ] [Yue Z.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 7 ] [Zhang L.]Energy Research Institute at NTU (ERI@N), Nanyang Technological University, 1 CleanTech Loop, Singapore, 637141, Singapore
  • [ 8 ] [Zhang L.]China-Singapore International Joint Research Institute (CSIJRI), Guangzhou, 510530, China
  • [ 9 ] [Guan C.]Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
  • [ 10 ] [Wang X.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 11 ] [Shao Y.]College of Materials Science and Engineering, Fuzhou University, Fujian, Fuzhou, 350108, China
  • [ 12 ] [Jiang S.P.]National Energy Key Laboratory for New Hydrogen-Ammonia Energy Technologies, Foshan Xianhu Laboratory, Foshan, 528216, China
  • [ 13 ] [Jiang S.P.]WA School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, 6102, WA, Australia
  • [ 14 ] [Ai N.]Fujian College Association Instrumental Analysis Center, Fuzhou University, Fujian, Fuzhou, 350108, China

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Source ：

Ceramics International

ISSN： 0272-8842

Year： 2024

Issue： 22

Volume： 50

Page： 46822-46830

5 . 1 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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