A study of the influence of Li-containing additives in microtubular SOFC components based on Gd-doped ceria on the effectiveness of the co-firing method

A. S. Bagishev, D. V. Maslennikov, M. P. Popov, A. P. Nemudry

Research output: Contribution to journalConference articlepeer-review

Abstract

In this work, the method of co-firing was applied to obtain NiO/GDC - GDC half-cell for MT SOFC. Microtubular anode preforms of NiO/10GDC (60/40 wt%) composition were formed using the phase-inversion technique. The paste of electrolyte material 10GDC was deposited on the anode preforms by the dip-coating method. Some amount of lithium salts (3 wt%) were added into anode material and 10GDC paste, and their effect on the formation of the gas-tight electrolytic layer was investigated. The Li-containing sintering additives were shown to increase shrinkage upon the co-firing process and allow one to lower the temperature of obtaining the gas-tight electrolytic layer by about 150 °C.

Original languageEnglish
Pages (from-to)464-466
Number of pages3
JournalMaterials Today: Proceedings
Volume25
DOIs
Publication statusPublished - 1 Oct 2019
Event3rd All-Russian Conference, with International Participation Hot Topics of Solid State Chemistry : From New Ideas to New Materials, HTSSC 2019 - Novosibirsk, Russian Federation
Duration: 1 Oct 20195 Oct 2019

Keywords

  • Cerium oxide
  • Co-firing
  • Electrochemical generators
  • Electrolyte
  • GDC
  • MT SOFC
  • OXIDE FUEL-CELLS

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