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Article Dans Une Revue ECS Transactions Année : 2009

Compatibility and Reactivity between Materials in an Innovative Dual Membrane Fuel-Cell (IDEAL-Cell) Design

Résumé

The IDEAL-Cell project aims at developing an innovative and competitive concept for fuel cell operating between 600-700 {degree sign}C. It is based on the junction between a PCFC anode/electrolyte part and a SOFC electrolyte/cathode, through a mixed porous ceramic membrane. Cathode materials are: La0.60Sr0.40CoO3-d (LSCF40) or La0.60Sr0.40Co0.20Fe0.80O3-d (LSCF48); electrolyte materials are: Ce0.85Y0.15O2-d (YDC15) and BaCe0.85Y0.15O3-d (BCY15). Ni-BCY15 cermet is the anode material. The central membrane is made of BCY15-YDC15 mixture. Good compatibility was observed at electrode/electrolyte cathode interface after long term ageing (20h/1100{degree sign}C following by 500h/700{degree sign}C) and no new phase was detected. Concerning the dual membrane BCY15-YDC15, a good adhesion was obtained between these two electrolyte materials. Finally, reactivity between LSCF40/48 and Crofer 22 APU (selected as first generation interconnect material) was studied in oxidizing atmosphere (1h/1000{degree sign}C following by 200h/700{degree sign}C). SrCrO4 formation was observed due to the diffusion of Cr and reaction with Sr from the cathode material.
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Dates et versions

hal-04615594 , version 1 (18-06-2024)

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Gilles Caboche, Jean-François Hochepied, Paolo Piccardo, Kazimierz Przybylski, Robert Ruckdäschel, et al.. Compatibility and Reactivity between Materials in an Innovative Dual Membrane Fuel-Cell (IDEAL-Cell) Design. ECS Transactions, 2009, 25 (2), pp.763-772. ⟨10.1149/1.3205593⟩. ⟨hal-04615594⟩
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