Preparation of nickel coated YSZ powder for application as an anode for solid oxide fuel cells

Nickel-yttria stabilized zirconia (Ni-YSZ) cermet is widely used as an anode material for solid oxide fuel cells (SOFCs). While the nickel-to-nickel chain maintains the electrical conductivity path, the YSZ contributes to lowering the thermal expansion and inhibits nickel coarsening during high temp...

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Bibliographic Details
Published in:Journal of power sources 2004-04, Vol.129 (2), p.138-142
Main Authors: Pratihar, Swadesh K., Sharma, A.Das, Basu, R.N., Maiti, H.S.
Format: Article
Language:English
Subjects:
Applied sciences
Electroless coating
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Fuel cells
Ni/YSZ cermet
Nickel coating
Solid oxide fuel cell
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Summary:Nickel-yttria stabilized zirconia (Ni-YSZ) cermet is widely used as an anode material for solid oxide fuel cells (SOFCs). While the nickel-to-nickel chain maintains the electrical conductivity path, the YSZ contributes to lowering the thermal expansion and inhibits nickel coarsening during high temperature (1000 °C) operation. An electroless technique is employed to prepare a uniform nickel coating on the YSZ powder. The process parameters for this technique are optimized. Notably, the cermet thus prepared shows percolation at a much lower nickel content (10–20 vol.%) compared with those reported in the literature.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2003.11.023