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- W4313279417 abstract "It is now recognized that the development of self-supported and efficient bifunctional air cathodes via the direct growth of earth-abundant catalysts onto the surface of the conductive collector would be a cutting-edge strategy to reduce interfacial resistance, enhance the mechanical tenure, and reduce the final weight and cost of manufacturing of rechargeable Zn–air batteries (ZABs). This work reports an innovative self-supported precious metal-free electrode, comprising carbon sphere chains (CSCs) directly grown onto a carbon paper (CP) substrate, wherein the CSCs have a functionalized surface bearing carbon nanobud defects, oxygen functional groups, and high-density MnO2 hierarchical nanorods (NRs), uniformly coating the surface of CSCs. Not only is the metal-free functionalized CSC catalyst functional for both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) but its combination with MnO2 NRs impressively enhances the ORR/OER activities. A homemade ZAB assembled with functionalized CSC/MnO2 air cathode can successfully power a timer for a period of 17 days with no voltage loss, whereas two series-connected ZABs can light up 39 red light-emitting diode (LED) bulbs. The self-supported and earth-abundant-based CSC/MnO2 materials open up an opportunity for lightweight and cost-effective ZABs and metal–air batteries in general." @default.
- W4313279417 created "2023-01-06" @default.
- W4313279417 creator A5026993739 @default.
- W4313279417 creator A5036117466 @default.
- W4313279417 creator A5061630596 @default.
- W4313279417 date "2022-12-29" @default.
- W4313279417 modified "2023-10-18" @default.
- W4313279417 title "Hybrid Carbon Sphere Chain–MnO<sub>2</sub> Nanorods as Bifunctional Oxygen Electrocatalysts for Rechargeable Zinc–Air Batteries" @default.
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- W4313279417 doi "https://doi.org/10.1021/acs.inorgchem.2c03916" @default.
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- W4313279417 hasPublicationYear "2022" @default.
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