Failure of protonic ceramic fuel cells (PCFCs) under gaseous Cr and CO2 exposure and the introduction of a protective barrier layer for mitigation
Open Access
- 2 May 2025
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry A
- Vol. 13 (23) , 17709-17719
Abstract
Cr species and CO2 rapidly degrade the PCFC electrolyte BaCe0.4Zr0.4Y0.1Yb0.1O3−δ, while the air electrode PrBa0.5Sr0.5Co1.5Fe0.5O5+δ remains stable. A thin PBSCF layer enhances air electrode/electrolyte interface stability.Keywords
Funding Information
- Ministry of Science and ICT, South Korea (GTL24051-500, NRF-2022M3H4A1A04085315)
- National Research Foundation of Korea
- National Research Council of Science and Technology
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