In situ drop-coated BaZr0.1Ce0.7Y0.2O3-δ electrolyte-based proton-conductor solid oxide fuel cells with a novel layered PrBaCuFeO5+δ cathode

Ling Zhao, Beibei He, Qiong Nian, Zhiqing Xun, Ranran Peng, Guangyao Meng, Xingqin Liu

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

In order to develop a simple and cost-effective route to fabricate proton-conductor intermediate-temperature SOFCs, a dense BaZr0.1Ce0.7Y0.2O3-δ (BZCY) electrolyte was fabricated on a porous anode by in situ drop-coating. The PrBaCuFeO5+δ (PBCF) composite oxide with layered perovskite structure was synthesized by auto ignition process and examined as a novel cathode for proton-conductor IT-SOFCs. The single cell, consisting of PBCF/BZCY/NiO-BZCY structure, was assembled and tested from 600 to 700 °C with humidified hydrogen (∼3% H2O) as the fuel and the static air as the oxidant. An open-circuit potential of 1.01 V and a maximum power density of 445 mW cm-2 at 700 °C were obtained for the single cell. A relatively low interfacial polarization resistance of 0.15 Ω cm2 at 700 °C indicated that the PBCF is a promising cathode for proton-conductor IT-SOFCs.

Original languageEnglish (US)
Pages (from-to)291-294
Number of pages4
JournalJournal of Power Sources
Volume194
Issue number1
DOIs
StatePublished - Oct 20 2009
Externally publishedYes

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solid oxide fuel cells
Solid oxide fuel cells (SOFC)
Electrolytes
Protons
Cathodes
conductors
cathodes
electrolytes
protons
spontaneous combustion
tritium
cells
Oxidants
Perovskite
Oxides
Ignition
radiant flux density
Hydrogen
Anodes
anodes

Keywords

  • Drop-coating
  • In situ reaction
  • PrBaCuFeO
  • Proton-conductor

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Physical and Theoretical Chemistry

Cite this

In situ drop-coated BaZr0.1Ce0.7Y0.2O3-δ electrolyte-based proton-conductor solid oxide fuel cells with a novel layered PrBaCuFeO5+δ cathode. / Zhao, Ling; He, Beibei; Nian, Qiong; Xun, Zhiqing; Peng, Ranran; Meng, Guangyao; Liu, Xingqin.

In: Journal of Power Sources, Vol. 194, No. 1, 20.10.2009, p. 291-294.

Research output: Contribution to journalArticle

Zhao, Ling ; He, Beibei ; Nian, Qiong ; Xun, Zhiqing ; Peng, Ranran ; Meng, Guangyao ; Liu, Xingqin. / In situ drop-coated BaZr0.1Ce0.7Y0.2O3-δ electrolyte-based proton-conductor solid oxide fuel cells with a novel layered PrBaCuFeO5+δ cathode. In: Journal of Power Sources. 2009 ; Vol. 194, No. 1. pp. 291-294.
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