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001051586 037__ $$aFZJ-2026-00514
001051586 1001_ $$0P:(DE-Juel1)194731$$aChakraborty, Pritam$$b0$$eFirst author$$ufzj
001051586 1112_ $$aMicroscopy Conference 2025$$cKarlsruhe$$d2025-08-31 - 2025-09-04$$gMC 2025$$wGermany
001051586 245__ $$aReal-time observations of Fe-Ni exsolution in perovskites: Implications for high-performance energy conversion applications
001051586 260__ $$c2025
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001051586 520__ $$aThe global push for clean energy has intensified research on solid oxide fuel cells (SOFCs) and solid oxide electrolysis cells (SOECs), collectively termed solid oxide cells (SOCs). The fuel electrode, functioning as the anode in SOFCs and the cathode in SOECs, is crucial for fuel interactions. Despite the widespread use of Ni/yttria-stabilized zirconia (Ni/YSZ) cermet due to its affordability and mechanical strength, its long-term performance is hindered by redox instability, Ni agglomeration, coking, and sulfur poisoning.Perovskite-based alternatives, particularly the double perovskite Sr2FeMoO6-δ (SFM), have gained attention due to their electrochemical stability, symmetrical functionality, and mixed electronic-ionic conductivity (MIEC). A key advantage of SFM is its in situ exsolution behavior, where B/B′-site cations—especially when doped with transition metals like Ni, Co, or Mn—undergo controlled exsolution upon reduction, which eliminate the effects of agglomeration and coking.Sr2FeMo0.65Ni0.35O6−δ (SFM-Ni) has demonstrated superior performance due to Ni’s high catalytic activity. However, the mechanism underlying the in situ formation of FeNi3 nano-exsolutions remains poorly understood. Elucidating this process is critical for optimizing material design and enhancing SOC performance.
001051586 536__ $$0G:(DE-HGF)POF4-1231$$a1231 - Electrochemistry for Hydrogen (POF4-123)$$cPOF4-123$$fPOF IV$$x0
001051586 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1
001051586 7001_ $$0P:(DE-HGF)0$$aWolf$$b1
001051586 7001_ $$0P:(DE-Juel1)169490$$aVibhu, Vaibhav$$b2$$ufzj
001051586 7001_ $$0P:(DE-Juel1)161579$$aJodat, Eva$$b3$$ufzj
001051586 7001_ $$0P:(DE-Juel1)191359$$aKarl, André$$b4$$ufzj
001051586 7001_ $$0P:(DE-Juel1)180432$$aBasak, Shibabrata$$b5$$eCorresponding author$$ufzj
001051586 7001_ $$0P:(DE-Juel1)156123$$aEichel, Rüdiger-A.$$b6$$ufzj
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