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author:

Ai, N. (Ai, N..) [1] | Chen, M. (Chen, M..) [2] | He, S. (He, S..) [3] | Chen, K. (Chen, K..) [4] | Zhang, T. (Zhang, T..) [5] | Jiang, S.P. (Jiang, S.P..) [6]

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Scopus

Abstract:

The high reactivity between bismuth oxide and cobaltite oxygen electrodes is a bottleneck in developing active and reliable bismuth oxide-cobaltite composite oxygen electrodes for solid oxide cells (SOCs). Herein, a Sr-free Sm 0.95 Co 0.95 Pd 0.05 O 3-δ (SmCPd) oxygen electrode decorated with nanoscale Er 0.4 Bi 1.6 O 3 (ESB) is synthesized and assembled on a barrier-layer-free Y 2 O 3 -ZrO 2 (YSZ) electrolyte film. The cell with the ESB decorated SmCPd composite oxygen electrode exhibits a peak power density of 1.81 W cm -2 at 750 °C and 0.58 W cm -2 at 650 °C. More importantly, excellent operating stability is achieved in the fuel cell mode at 600 °C for 500 h, and in electrolysis and reversible modes at 750 °C for over 200 h. The results demonstrate the feasibility of applying bismuth oxide-cobaltite composite oxygen electrodes in developing high-performance and durable SOCs. © 2018 The Royal Society of Chemistry.

Keyword:

Community:

  • [ 1 ] [Ai, N.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
  • [ 2 ] [Ai, N.]Testing Center, Fuzhou University, Fuzhou, Fujian, 350108, China
  • [ 3 ] [Chen, M.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
  • [ 4 ] [He, S.]Fuels and Energy Technology Institute, Department of Chemical Engineering, Curtin University, Perth, WA 6102, Australia
  • [ 5 ] [Chen, K.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
  • [ 6 ] [Zhang, T.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China
  • [ 7 ] [Jiang, S.P.]Fuels and Energy Technology Institute, Department of Chemical Engineering, Curtin University, Perth, WA 6102, Australia

Reprint 's Address:

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

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Source :

Journal of Materials Chemistry A

ISSN: 2050-7488

Year: 2018

Issue: 15

Volume: 6

Page: 6510-6520

1 0 . 7 3 3

JCR@2018

1 0 . 8 0 0

JCR@2023

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 30

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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