Porous NiO-SDC carbonates composite anode for LT-SOFC applications produced by pressureless sintering

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

Composite anodes made of NiO and SDC-(Li/Na) 2CO 3 were investigated in relation to their structure, morphology, and porosity. As a first step, the anode powder was prepared by mixing the NiO with SDC-(Li/Na) 2CO 3 via solid state reaction in weight percentage of 60 : 40 wt% and in various compositions of carbonates (20 and 30wt%), namely NiO-SDC8020 and NiO-SDC7030, respectively. The powder mixtures were then calcined at 680°C. The resultant powder was fine with surface area of about 13.10-13.70 m 2/g and an average particle size of 0.32-0.37μm. The powders consist of two phases i.e. the cubic NiO and face-centered cubic structure SDC-(Li/Na) 2CO 3 as confirmed with x-ray diffraction. The microstructures were observed under scanning electron microscopy (SEM). The anode pellets were later compacted at different pressures (27, 32 and 37 MPa) and sintered at 600°C. The optimum porosity (20.99-24.78%) was achieved for samples of NiO-SDC8020 and NiO-SDC7030 sintered at 600°C and cold pressed at 32 and 37 MPa.

Original languageEnglish
Title of host publicationApplied Mechanics and Materials
Pages488-493
Number of pages6
Volume52-54
DOIs
Publication statusPublished - 2011
Event2011 1st International Conference on Mechanical Engineering, ICME 2011 - Phuket
Duration: 3 Apr 20114 Apr 2011

Publication series

NameApplied Mechanics and Materials
Volume52-54
ISSN (Print)16609336
ISSN (Electronic)16627482

Other

Other2011 1st International Conference on Mechanical Engineering, ICME 2011
CityPhuket
Period3/4/114/4/11

Fingerprint

Solid oxide fuel cells (SOFC)
Carbonates
Anodes
Sintering
Powders
Composite materials
Porosity
Solid state reactions
Diffraction
Particle size
X rays
Microstructure
Scanning electron microscopy
Chemical analysis

Keywords

  • Anode
  • LT-SOFC
  • Microstructures
  • NiO-SDC(Li/Na) CO
  • Porosity
  • Pressureless sintering

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Porous NiO-SDC carbonates composite anode for LT-SOFC applications produced by pressureless sintering. / Jarot, Raharjo; Muchtar, Andanastuti; Wan Daud, Wan Ramli; Muhamad, Norhamidi; Herianto, Edy.

Applied Mechanics and Materials. Vol. 52-54 2011. p. 488-493 (Applied Mechanics and Materials; Vol. 52-54).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jarot, R, Muchtar, A, Wan Daud, WR, Muhamad, N & Herianto, E 2011, Porous NiO-SDC carbonates composite anode for LT-SOFC applications produced by pressureless sintering. in Applied Mechanics and Materials. vol. 52-54, Applied Mechanics and Materials, vol. 52-54, pp. 488-493, 2011 1st International Conference on Mechanical Engineering, ICME 2011, Phuket, 3/4/11. https://doi.org/10.4028/www.scientific.net/AMM.52-54.488
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