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ZnO/NiO nanocomposite electrodes for low-temperature solid oxide fuel cells

  • Rizwan Raza
  • , Qinghua Liu
  • , Jawad Nisar
  • , Xiaodi Wang
  • , Ying Ma
  • , Bin Zhu
  • KTH Royal Institute of Technology
  • COMSATS University Islamabad
  • Uppsala University

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

ZnO/NiO nanocomposite electrodes have successfully been developed using a cost-effective method, and for the first time used in LT-SOFCs at 300-600 °C. They exhibit high conductivity and a dual catalytic functionality in both the cathode and the anode for the electrochemical reduction of O 2 and oxidation of H2, respectively. An excellent fuel cell performance, e.g. a maximum power density of 1107 W cm- 2, has been shown for a symmetrical fuel cell that contained ZnO/NiO nanocomposite electrodes at 500 °C. To our knowledge, to date this is by far the highest power density achieved at this temperature.

Original languageEnglish
Pages (from-to)917-920
Number of pages4
JournalElectrochemistry Communications
Volume13
Issue number9
DOIs
StatePublished - Sep 2011
Externally publishedYes

Keywords

  • Composite electrodes
  • Nanocomposites
  • SOFCs
  • ZnO/NiO

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