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|Title:||A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction||Authors:||Li, Xiaoge
Guan, Bu Yuan
Lou, David Xiong Wen
|Keywords:||Engineering::Chemical engineering||Issue Date:||2019||Source:||Li, X., Guan, B. Y., Gao, S. & Lou, D. X. W. (2019). A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction. Energy & Environmental Science, 12(2), 648-655. https://dx.doi.org/10.1039/C8EE02779J||Journal:||Energy & Environmental Science||Abstract:||Herein we report a general dual-templating approach to prepare hierarchically macro-/meso-/microporous heteroatom-doped carbon materials using diverse low-cost biomass precursors. Nitrogen/oxygen-doped carbon materials with hierarchical porosity are first synthesized as an example using Mg₅(OH)₂(CO₃)₄/ZnCl₂ as hard templates and glucose/urea as carbon and heteroatom sources through a high-temperature thermal reaction and subsequent etching treatment. This approach is very versatile and can be applied to produce many hierarchically structured heteroatom-doped carbon materials via pyrolysis of other biomass precursors, including roots, stems, leaves, flowers and fruits of various plants. Lastly, we demonstrate that the as-prepared hierarchically porous nitrogen/oxygen-doped carbon materials manifest enhanced electrocatalytic performance for oxygen reduction reaction in alkaline electrolyte.||URI:||https://hdl.handle.net/10356/151950||ISSN:||1754-5692||DOI:||10.1039/C8EE02779J||Rights:||© 2019 The Royal Society of Chemistry. All rights reserved.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||SCBE Journal Articles|
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