Review on the preparation of electrolyte thin films based on cerate-zirconate oxides for electrochemical analysis of anode-supported proton ceramic fuel cells

Mohd Affandi Nur Syafkeena, Muhammad Luthfi Zainor, Oskar Hasdinor Hassan, Nurul Akidah Baharuddin, Mohd Hafiz Dzarfan Othman, Chung Jen Tseng, Nafisah Osman

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations

Abstract

Proton ceramic fuel cells (PCFCs) are a better alternative to the combustion-based electrical generators because of their high energy conversion efficiency and low carbon emission at relatively low operating temperatures. The electrochemical performance of PCFCs in terms of conductivity, cycling stability, and power density is heavily influenced by the morphological and compositional characteristics of the electrolyte materials. These characteristics can be controlled during the synthesis and fabrication processes. Microstructural modification of the proton ceramic electrolyte can further optimize the electrochemical performance and enhance the efficiency of PCFCs. The well-known electrolyte materials derived from cerate–zirconate ceramic perovskite-type oxides show incredibly high proton conductivity in hydrogen- and/or water-containing atmospheres. This review aims to discuss the influence of electrolyte synthesis and fabrication techniques on the electrochemical properties of PCFCs. Results and findings from different studies are explored and analyzed to examine the effects of grain size, sample density, sintering temperatures, and the addition of metal oxides on the electrolyte performance of PCFCs.

Original languageEnglish
Article number165434
JournalJournal of Alloys and Compounds
Volume918
DOIs
StatePublished - 15 Oct 2022

Keywords

  • Cerate–zirconate electrolyte
  • Electrochemical performance
  • Fabrication techniques
  • Microstructure
  • Proton ceramic fuel cells

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