A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction

Xiaoge Li; Bu Yuan Guan; Shuyan Gao; Xiong Wen Lou

doi:10.1039/c8ee02779j

A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction

Xiaoge Li, Bu Yuan Guan, Shuyan Gao, Xiong Wen Lou

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

387 Citations (Scopus)

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 Mg ₅ (OH) ₂ (CO ₃ ) ₄ /ZnCl ₂ 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. © 2019 The Royal Society of Chemistry.

Original language	English
Pages (from-to)	648-655
Journal	Energy and Environmental Science
Volume	12
Issue number	2
DOIs	https://doi.org/10.1039/c8ee02779j
Publication status	Published - 1 Feb 2019
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction. / Li, Xiaoge; Guan, Bu Yuan; Gao, Shuyan et al.
In: Energy and Environmental Science, Vol. 12, No. 2, 01.02.2019, p. 648-655.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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AU - Lou, Xiong Wen

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AB - 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 Mg 5 (OH) 2 (CO 3 ) 4 /ZnCl 2 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. © 2019 The Royal Society of Chemistry.

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A general dual-templating approach to biomass-derived hierarchically porous heteroatom-doped carbon materials for enhanced electrocatalytic oxygen reduction

Abstract

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