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Unprecedented carbon sub-microspheres with porous hierarchy for highly efficient oxygen electrochemistry

Abstract

Developing efficient and robust electrocatalysts for bifunctional oxygen elctrocatalysis is crucial for renewable energy technology. Herein nitrogen and phosphorus co-doped carbon sub-microspheres with fascinating mesostructures are rationally synthesized through an effective soft-templating strategy. The unique features of substantial doping, large surface areas and well-defined porosity endow the dual-doped carbons with high-density electroactive sites, considerable active surface areas and improved mass transfer, ensuring impressive activity and durability in catalyzing oxygen reduction and evolution reactions, even competing with the noble metal benchmarks, thus assuring the use as the air cathode in a rechargeable Zn-air battery with low charge-discharge overpotential and remarkable long-term stability.

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Publication details

The article was received on 12 Sep 2017, accepted on 09 Nov 2017 and first published on 09 Nov 2017


Article type: Paper
DOI: 10.1039/C7NR06801H
Citation: Nanoscale, 2017, Accepted Manuscript
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    Unprecedented carbon sub-microspheres with porous hierarchy for highly efficient oxygen electrochemistry

    Y. Zhu and S. Qiao, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR06801H

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