- PII
- 10.31857/S0424857024030017-1
- DOI
- 10.31857/S0424857024030017
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 60 / Issue number 3
- Pages
- 167-173
- Abstract
- In this paper, optimization of the manufacturing technology of bilayer supporting anode substrates for planar solid oxide fuel cells using precursors is carried out. The bilayer supporting anode substrates for the second generation planar SOFCs were fabricated by tape casting technique. In order to prepare a composite material for a current-collecting layer containing 60 vol. % NiO and a functional layer containing 40 vol. % NiO (proportions were chosen due to percolation theory), nickel sulfate heptahydrate NiSO4·7H2O was used. The composite mixture of 8YSZ/NiSO4 was calcined at a temperature of 1000°С. Application of NiO precursor led to the obtaining of a strong anode substrate that retains mechanical stability during redox cycling. The fine dispersion of NiO in a thin functional layer led to a high density of three-phase boundaries, which positively affected the electrochemical activity of the anode. Model samples of solid oxide fuel cells were made on the base of the manufactured anode substrates, its electrochemical behavior was investigated using standard electrochemical techniques. The power density at an operating temperature of 750°С was 1 Wt/cm2.
- Keywords
- твердооксидные топливные элементы ТОТЭ анодная подложка поддерживающий анод механическая стабильность микроструктура
- Date of publication
- 17.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 2
References
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