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Fabrication of anode-supported tubular solid oxide fuel cells by slip casting in combination with dip coating technique

  • Yaohui Zhang
  • , Jiang Liu*
  • , Juan Yin
  • *Corresponding author for this work
  • South China University of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Dense and microcrack free yttria-stabilized zirconia (YSZ) was deposited onto porous NiO-YSZ anode tubes by dip coating without any vacuum assistance. The anode tubes were prepared by slip casting. Open circuit voltage of 1.05 V was obtained at 800°C, implying that the gas tightness of dip coating YSZ membranes is eligible for solid oxide fuel cell application. A fuel cell of Ni-YSZ/YSZ(20 μm) /La0.7Sr0.3MnO3-YSZ provides maximum power densities of 0.24 W/cm2, 0.46 W/cm 2, 0.81 W/cm2, and 1.1 W/cm2 at 650°C, 700°C, 750°C, and 800°C, respectively. The impedance data indicate that the resistivity of the YSZ electrolyte membrane is about 40.5 Ω cm at 800°C. At the same temperature, the electrode polarization resistance accounts for 74.8% of the cell's total resistance under maximum power density condition.

Original languageEnglish
Pages (from-to)110141-110145
Number of pages5
JournalJournal of Fuel Cell Science and Technology
Volume7
Issue number1
DOIs
StatePublished - Feb 2010
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Dip coating
  • Electrolyte membranes
  • Slip casting
  • Solid oxide fuel cell
  • Yttria-stabilized zirconia

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