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- W4387498756 abstract "Comprehensive Summary Rationally developing efficient and durable bifunctional catalysts toward oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is critical for rechargeable zinc‐air batteries (ZABs). Herein, a bead‐like CoSe 2 @NC@NCNFs bifunctional catalyst was designed and fabricated by confining cubic CoSe 2 nanoparticles to three‐dimensional (3D) porous MOFs‐derived nitrogen‐doped carbon (NC) and one‐dimensional (1D) N‐doped carbon nanofibers (NCNFs) through a facile encapsulate strategy. The 1D/3D continuous network structure contributes to the improvement of specific surface area and electronic conductivity, while the strong synergistic effect between CoSe 2 sites and Co‐N x ‐C sites can effectively enhance electron/mass transfer and reduce the diffusion resistance. The as‐constructed CoSe 2 @NC@NCNFs catalyst exhibit high catalytic activity and stability toward ORR/OER with a high half‐wave potential of 0.80 V (vs. RHE) in ORR and a low overpotential of 280 mV at 10 mA cm −2 in OER. More encouragingly, the rechargeable ZABs with CoSe 2 @NC@NCNFs cathode deliver high peak power densities (126.8 mW cm −2 ), large specific capacities (763.1 mA h g −1 ), and robust charge‐discharge cycling stability over 240 cycles. This study provides a facile strategy for designing efficient bifunctional catalysts for rechargeable energy conversion applications. This article is protected by copyright. All rights reserved." @default.
- W4387498756 created "2023-10-11" @default.
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- W4387498756 date "2023-10-10" @default.
- W4387498756 modified "2023-10-12" @default.
- W4387498756 title "Dual‐confined bead‐like <scp>CoSe<sub>2</sub></scp>@<scp>NC</scp>@<scp>NCNFs</scp> bifunctional catalyst boosting rechargeable zinc‐air batteries" @default.
- W4387498756 doi "https://doi.org/10.1002/cjoc.202300484" @default.
- W4387498756 hasPublicationYear "2023" @default.
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