Fabrication of dense composite ceramic electrolyte SDC-(Li/Na) 2CO3

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

11 Citations (Scopus)

Abstract

Composite electrolytes made of samarium-doped cerium (SDC, Ce 0.8Sm0.2O1.9) and (67 mol% Li/ 33mol% Na) 2CO3 carbonate salts were investigated in relation to their structure, morphology and porosity of the electrolyte. The fabrication of the SDC-(Li/Na)2CO3 composite electrolytes were achieved in two steps: step (1) preparation of the samarium-doped cerium powders by sol-gel; step (2) mixing of the samarium-doped cerium with carbonates in various compositions by solid state reaction. The electrolyte pellets were compacted at different pressures (25 and 50 MPa) and sintered at 600°C, 700°C and 800°C. The XRD results demonstrated that the introduction of carbonates did not change the SDC phase structure. FESEM images showed that the carbonate component was amorphous and well distributed in the SDC. The lowest porosity (2.92%) was achieved for samples with carbonate content of 30% (SDC7030) sintered at 800°C and cold pressed at 50MPa.

Original languageEnglish
Title of host publicationKey Engineering Materials
Pages666-670
Number of pages5
Volume447 448
DOIs
Publication statusPublished - 2010
EventICoPE2010 and 13th ICPE International Conference on Precision Engineering -
Duration: 28 Jul 201030 Jul 2010

Publication series

NameKey Engineering Materials
Volume447 448
ISSN (Print)10139826

Other

OtherICoPE2010 and 13th ICPE International Conference on Precision Engineering
Period28/7/1030/7/10

Fingerprint

Carbonates
Electrolytes
Samarium
Cerium
Fabrication
Composite materials
Porosity
Phase structure
Solid state reactions
Powders
Sol-gels
Salts
Chemical analysis

Keywords

  • Composite
  • Electrolyte
  • Pressureless sintering
  • Samarium doped cerium-(Li/Na)CO

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Fabrication of dense composite ceramic electrolyte SDC-(Li/Na) 2CO3 . / Raharjo, Jarot; Muchtar, Andanastuti; Wan Daud, Wan Ramli; Muhamad, Norhamidi; Herianto, Edy.

Key Engineering Materials. Vol. 447 448 2010. p. 666-670 (Key Engineering Materials; Vol. 447 448).

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

Raharjo, J, Muchtar, A, Wan Daud, WR, Muhamad, N & Herianto, E 2010, Fabrication of dense composite ceramic electrolyte SDC-(Li/Na) 2CO3 in Key Engineering Materials. vol. 447 448, Key Engineering Materials, vol. 447 448, pp. 666-670, ICoPE2010 and 13th ICPE International Conference on Precision Engineering, 28/7/10. https://doi.org/10.4028/www.scientific.net/KEM.447-448.666
Raharjo, Jarot ; Muchtar, Andanastuti ; Wan Daud, Wan Ramli ; Muhamad, Norhamidi ; Herianto, Edy. / Fabrication of dense composite ceramic electrolyte SDC-(Li/Na) 2CO3 Key Engineering Materials. Vol. 447 448 2010. pp. 666-670 (Key Engineering Materials).
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