Nano-Micro Letters ( IF 31.6 ) Pub Date : 2024-12-16 , DOI: 10.1007/s40820-024-01580-5 Lei Zhang, Yuchen Dong, Lubing Li, Yuchuan Shi, Yan Zhang, Liting Wei, Chung-Li Dong, Zhiqun Lin, Jinzhan Su
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Fe–Mn dual-atom catalysts exhibit superior oxygen reduction reaction (ORR) activity and stability, with high half-wave potentials in both alkaline and acidic conditions.
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Synergistic Mn incorporation effectively anchors Fe atoms, mitigates the Fenton reaction, and enhances the durability of ORR catalysts.
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Advanced characterization and density-functional theory calculations reveal Mn-induced electronic structure modifications, promoting superior ORR kinetics and active site performance.
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(FeMn-DA)-N-C catalysts show remarkable potential for practical fuel cell applications.
中文翻译:
通过明智地制备用于燃料电池的 Fe-Mn 双原子,同时提高氧还原反应催化剂的活性和稳定性
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Fe-Mn 双原子催化剂表现出优异的氧还原反应 (ORR) 活性和稳定性,在碱性和酸性条件下均具有高半波电位。 -
协同 Mn 掺入可有效锚定 Fe 原子,减轻 Fenton 反应,并增强 ORR 催化剂的耐久性。 -
高级表征和密度泛函理论计算揭示了 Mn 诱导的电子结构修饰,促进了卓越的 ORR 动力学和活性位点性能。 -
(FeMn-DA)-N-C 催化剂在燃料电池实际应用中显示出巨大的潜力。