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Bin Wu et al.
Summary: Nitrogen-doped carbons are a rapidly growing class of materials for oxygen electrocatalysis, offering low cost, environmental friendliness, excellent conductivity, and scalable synthesis. They have the potential to replace precious metal-based electrocatalysts and reduce costs in energy conversion and storage systems.
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Yu-Ping Ku et al.
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Materials Science, Multidisciplinary
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Summary: This study reports the design of a freestanding bifunctional cathode for zinc-air batteries. The cathode is composed of tiny Co nanoparticles embedded in N-doped carbon nanofiber aerogels, offering uniform dispersion, balanced distribution, hierarchically porous structure, and moderate defects. The as-fabricated cathodes exhibit excellent performance, with low oxygen electrode potential and overpotential, high peak power density, large specific capacity, and remarkable stability. Moreover, the as-assembled quasi-solid-state zinc-air batteries show outstanding mechanical flexibility and cycle performance.
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(2022)
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Teng Wang et al.
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Tengteng Gu et al.
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Minghe Luo et al.
Summary: This review emphasizes the importance of heterostructured air electrocatalysts developed through interface engineering in enhancing oxygen electrocatalysis performance, and highlights the potential relationship between interface chemistry and oxygen electrocatalysis kinetics.
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ADVANCED MATERIALS
(2021)
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Gaopeng Liu et al.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
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Jiannan Cai et al.
Summary: A bifunctional catalyst, Co@WC1-x/NCNTs composite, with superior electrocatalytic performance for oxygen reduction and oxygen evolution reactions has been synthesized. It also shows ultra-high power density and stability in zinc-air batteries, offering a meaningful strategy for exploring efficient bifunctional catalysts in this application.
JOURNAL OF POWER SOURCES
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Summary: In this study, an ultrastable FeCo bifunctional oxygen electrocatalyst on Se-doped CNTs was synthesized, showing excellent oxygen reduction and oxygen evolution reaction activities, surpassing commercial catalysts. The FeCo/Se-CNT catalyst demonstrated extraordinary stability and superior performance in rechargeable Zn-air batteries.
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Yuzhi Li et al.
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Yanli Niu et al.
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Xin Ye et al.
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Yasir Arafat et al.
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