Development of lanthanum strontium cobalt ferrite composite cathodes for intermediate- to low-temperature solid oxide fuel cells

Nurul Akidah Baharuddin, Hamimah Abd Rahman, Andanastuti Muchtar, Abu Bakar Sulong, Huda Abdullah

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Solid oxide fuel cells (SOFCs) offer high energy conversion, low noise, low pollutant emission, and low processing cost. Despite many advantages, SOFCs face a major challenge in competing with other types of fuel cells because of their high operating temperature. The necessity to reduce the operational temperature of SOFCs has led to the development of research into the materials and fabrication technology of fuel cells. The use of composite cathodes significantly reduces the cathode polarization resistance and expands the triple phase boundary area available for oxygen reduction. Powder preparation and composite cathode fabrication also affect the overall performance of composite cathodes and fuel cells. Among many types of cathode materials, lanthanum-based materials such as lanthanum strontium cobalt ferrite (La1-x Sr x Co1-y Fe y O3-γ ) have recently been discovered to offer great compatibility with ceria-based electrolytes in performing as composite cathode materials for intermediate- to low-temperature SOFCs (IT-LTSOFCs). This paper reviews various ceria-based composite cathodes for IT-LTSOFCs and focuses on the aspects of progress and challenges in materials technology.

Original languageEnglish
Pages (from-to)11-24
Number of pages14
JournalJournal of Zhejiang University: Science A
Volume14
Issue number1
DOIs
Publication statusPublished - Jan 2013

Fingerprint

Lanthanum
Strontium
Solid oxide fuel cells (SOFC)
Ferrite
Cobalt
Cathodes
Composite materials
Fuel cells
Cerium compounds
Temperature
Fabrication
Phase boundaries
Energy conversion
Electrolytes
Polarization
Powders
Oxygen
Processing
Costs

Keywords

  • Ceria-based composite cathode
  • Intermediate- to low-temperature solid oxide fuel cells (IT-LTSOFCs)
  • Lanthanum strontium cobalt ferrite

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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AU - Rahman, Hamimah Abd

AU - Muchtar, Andanastuti

AU - Sulong, Abu Bakar

AU - Abdullah, Huda

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N2 - Solid oxide fuel cells (SOFCs) offer high energy conversion, low noise, low pollutant emission, and low processing cost. Despite many advantages, SOFCs face a major challenge in competing with other types of fuel cells because of their high operating temperature. The necessity to reduce the operational temperature of SOFCs has led to the development of research into the materials and fabrication technology of fuel cells. The use of composite cathodes significantly reduces the cathode polarization resistance and expands the triple phase boundary area available for oxygen reduction. Powder preparation and composite cathode fabrication also affect the overall performance of composite cathodes and fuel cells. Among many types of cathode materials, lanthanum-based materials such as lanthanum strontium cobalt ferrite (La1-x Sr x Co1-y Fe y O3-γ ) have recently been discovered to offer great compatibility with ceria-based electrolytes in performing as composite cathode materials for intermediate- to low-temperature SOFCs (IT-LTSOFCs). This paper reviews various ceria-based composite cathodes for IT-LTSOFCs and focuses on the aspects of progress and challenges in materials technology.

AB - Solid oxide fuel cells (SOFCs) offer high energy conversion, low noise, low pollutant emission, and low processing cost. Despite many advantages, SOFCs face a major challenge in competing with other types of fuel cells because of their high operating temperature. The necessity to reduce the operational temperature of SOFCs has led to the development of research into the materials and fabrication technology of fuel cells. The use of composite cathodes significantly reduces the cathode polarization resistance and expands the triple phase boundary area available for oxygen reduction. Powder preparation and composite cathode fabrication also affect the overall performance of composite cathodes and fuel cells. Among many types of cathode materials, lanthanum-based materials such as lanthanum strontium cobalt ferrite (La1-x Sr x Co1-y Fe y O3-γ ) have recently been discovered to offer great compatibility with ceria-based electrolytes in performing as composite cathode materials for intermediate- to low-temperature SOFCs (IT-LTSOFCs). This paper reviews various ceria-based composite cathodes for IT-LTSOFCs and focuses on the aspects of progress and challenges in materials technology.

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