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[期刊论文]

High performance nanostructured bismuth oxide-cobaltite as a durable oxygen electrode for reversible solid oxide cells

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author:

Ai, Na (Ai, Na.) [1] (Scholars:艾娜) | Chen, Minle (Chen, Minle.) [2] | He, Shuai (He, Shuai.) [3] | Unfold

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EI Scopus SCIE

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 Sm0.95Co0.95Pd0.05O3-delta (SmCPd) oxygen electrode decorated with nanoscale Er0.4Bi1.6O3 (ESB) is synthesized and assembled on a barrier-layer-free Y2O3-ZrO2 (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 degrees C and 0.58 W cm(-2) at 650 degrees C. More importantly, excellent operating stability is achieved in the fuel cell mode at 600 degrees C for 500 h, and in electrolysis and reversible modes at 750 degrees 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.

Community:

  • [ 1 ] [Ai, Na]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Chen, Minle]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Chen, Kongfa]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Zhang, Teng]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Ai, Na]Fuzhou Univ, Testing Ctr, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [He, Shuai]Curtin Univ, Dept Chem Engn, Fuels & Energy Technol Inst, Perth, WA 6102, Australia
  • [ 7 ] [Jiang, San Ping]Curtin Univ, Dept Chem Engn, Fuels & Energy Technol Inst, Perth, WA 6102, Australia

Reprint 's Address:

  • 陈孔发 张腾

    [Chen, Kongfa]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China;;[Zhang, Teng]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China;;[Jiang, San Ping]Curtin Univ, Dept Chem Engn, Fuels & Energy Technol Inst, Perth, WA 6102, Australia

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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 Discipline: MATERIALS SCIENCE;

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 26

30 Days PV: 0

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