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Post #15138 1
🔋 Overcoming the Spin Barrier of Oxygen Redox Chemistry in Lithium–Oxygen Batteries via Metal–Support Magnetic Interaction

📝 این پژوهش نشان می‌دهد برهم‌کنش مغناطیسی فلز-پایه در Pd/CoFe2O4 سد اسپینی شیمی ردوکس اکسیژن را در باتری Li-O2 کاهش می‌دهد و اضافه‌ولتاژ شارژ ۰٫۰۵ ولت را ممکن می‌سازد.

📚 Journal: Angewandte Chemie International Edition #AngewandteChemie
📅 Date: 2026-10-10
🔬 Research Article

💡 Novelty & Significance:
Metal–support magnetic interaction is used to overcome the spin barrier in Li–O₂ batteries. Interfacial magnetic coupling between Pd and ferrimagnetic CoFe₂O₄ restructures Pd spin states, promoting triplet O₂ conversion to peroxide while suppressing singlet O₂. This yields a 0.05 V charging overpotential and 91.2% energy efficiency, establishing a general design principle for spin-dependent oxygen electrocatalysis.

🔗 10.1002/anie.6229772

🏷 lithium-oxygen battery · spin barrier · metal-support interaction · oxygen redox · Pd/CoFe2O4
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