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Exploring Fe‐Nx for Peroxide Reduction: Template‐Free Synthesis of Fe‐Nx Traumatized Mesoporous Carbon Nanotubes as an ORR Catalyst in Acidic and Alkaline Solutions

Fe‐based electrocatalysts are elegant due to their better performance towards the oxygen reduction reaction. Nevertheless, they commonly contain different moieties, for example Fe‐N, Fe, FeC and N‐doped carbon, primarily the debatable assistance of these components towards ORR electrocatalysis, spec... Full description

Journal Title: Chemistry – A European Journal 25 July 2018, Vol.24(42), pp.10630-10635
Main Author: Shah, Syed Shoaib Ahmad
Other Authors: Najam, Tayyaba , Cheng, Chao , Peng, Lishan , Xiang, Rui , Zhang, Ling , Deng, Jianghai , Ding, Wei , Wei, Zidong
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0947-6539 ; E-ISSN: 1521-3765 ; DOI: 10.1002/chem.201802453
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recordid: wj10.1002/chem.201802453
title: Exploring Fe‐Nx for Peroxide Reduction: Template‐Free Synthesis of Fe‐Nx Traumatized Mesoporous Carbon Nanotubes as an ORR Catalyst in Acidic and Alkaline Solutions
format: Article
creator:
  • Shah, Syed Shoaib Ahmad
  • Najam, Tayyaba
  • Cheng, Chao
  • Peng, Lishan
  • Xiang, Rui
  • Zhang, Ling
  • Deng, Jianghai
  • Ding, Wei
  • Wei, Zidong
subjects:
  • Electrocatalysis
  • Fuel Cells
  • Mesoporous Carbon
  • Metal–Organic Framework
  • Oxygen Reduction Reaction
ispartof: Chemistry – A European Journal, 25 July 2018, Vol.24(42), pp.10630-10635
description: Fe‐based electrocatalysts are elegant due to their better performance towards the oxygen reduction reaction. Nevertheless, they commonly contain different moieties, for example Fe‐N, Fe, FeC and N‐doped carbon, primarily the debatable assistance of these components towards ORR electrocatalysis, specifically for intermediate peroxide reduction reactions (PRR). In this paper, to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework. The use of dicyanoimidazole coordinated with iron can introduce the Fe‐N active sites as well as directional N‐doped carbon nanotubes, which is good for enhancing electronic conductance of the catalyst. The attained electrocatalyst shows tremendous enactment to ORR, being comparable to the activity of Pt/C in acidic and better in alkaline electrolytes. This study also reveals that Fe‐N active centres are responsible for less HO production. Though the Fe‐N moieties and FeC/Fe particles encapsulated N‐doped carbon, both are active centres for ORR, however, Fe‐N sites are more active than others for peroxide reduction reaction. These perceptions suggest rational methodologies for more active and consequently further durable Fe‐N‐C catalysts. decorated on mesoporous carbon nanotubes for oxygen reduction electrocatalysis. In order to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework.
language: eng
source:
identifier: ISSN: 0947-6539 ; E-ISSN: 1521-3765 ; DOI: 10.1002/chem.201802453
fulltext: fulltext
issn:
  • 0947-6539
  • 09476539
  • 1521-3765
  • 15213765
url: Link


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titleExploring Fe‐Nx for Peroxide Reduction: Template‐Free Synthesis of Fe‐Nx Traumatized Mesoporous Carbon Nanotubes as an ORR Catalyst in Acidic and Alkaline Solutions
creatorShah, Syed Shoaib Ahmad ; Najam, Tayyaba ; Cheng, Chao ; Peng, Lishan ; Xiang, Rui ; Zhang, Ling ; Deng, Jianghai ; Ding, Wei ; Wei, Zidong
ispartofChemistry – A European Journal, 25 July 2018, Vol.24(42), pp.10630-10635
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subjectElectrocatalysis ; Fuel Cells ; Mesoporous Carbon ; Metal–Organic Framework ; Oxygen Reduction Reaction
descriptionFe‐based electrocatalysts are elegant due to their better performance towards the oxygen reduction reaction. Nevertheless, they commonly contain different moieties, for example Fe‐N, Fe, FeC and N‐doped carbon, primarily the debatable assistance of these components towards ORR electrocatalysis, specifically for intermediate peroxide reduction reactions (PRR). In this paper, to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework. The use of dicyanoimidazole coordinated with iron can introduce the Fe‐N active sites as well as directional N‐doped carbon nanotubes, which is good for enhancing electronic conductance of the catalyst. The attained electrocatalyst shows tremendous enactment to ORR, being comparable to the activity of Pt/C in acidic and better in alkaline electrolytes. This study also reveals that Fe‐N active centres are responsible for less HO production. Though the Fe‐N moieties and FeC/Fe particles encapsulated N‐doped carbon, both are active centres for ORR, however, Fe‐N sites are more active than others for peroxide reduction reaction. These perceptions suggest rational methodologies for more active and consequently further durable Fe‐N‐C catalysts. decorated on mesoporous carbon nanotubes for oxygen reduction electrocatalysis. In order to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework.
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titleExploring Fe‐Nx for Peroxide Reduction: Template‐Free Synthesis of Fe‐Nx Traumatized Mesoporous Carbon Nanotubes as an ORR Catalyst in Acidic and Alkaline Solutions
descriptionFe‐based electrocatalysts are elegant due to their better performance towards the oxygen reduction reaction. Nevertheless, they commonly contain different moieties, for example Fe‐N, Fe, FeC and N‐doped carbon, primarily the debatable assistance of these components towards ORR electrocatalysis, specifically for intermediate peroxide reduction reactions (PRR). In this paper, to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework. The use of dicyanoimidazole coordinated with iron can introduce the Fe‐N active sites as well as directional N‐doped carbon nanotubes, which is good for enhancing electronic conductance of the catalyst. The attained electrocatalyst shows tremendous enactment to ORR, being comparable to the activity of Pt/C in acidic and better in alkaline electrolytes. This study also reveals that Fe‐N active centres are responsible for less HO production. Though the Fe‐N moieties and FeC/Fe particles encapsulated N‐doped carbon, both are active centres for ORR, however, Fe‐N sites are more active than others for peroxide reduction reaction. These perceptions suggest rational methodologies for more active and consequently further durable Fe‐N‐C catalysts. decorated on mesoporous carbon nanotubes for oxygen reduction electrocatalysis. In order to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework.
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abstractFe‐based electrocatalysts are elegant due to their better performance towards the oxygen reduction reaction. Nevertheless, they commonly contain different moieties, for example Fe‐N, Fe, FeC and N‐doped carbon, primarily the debatable assistance of these components towards ORR electrocatalysis, specifically for intermediate peroxide reduction reactions (PRR). In this paper, to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework. The use of dicyanoimidazole coordinated with iron can introduce the Fe‐N active sites as well as directional N‐doped carbon nanotubes, which is good for enhancing electronic conductance of the catalyst. The attained electrocatalyst shows tremendous enactment to ORR, being comparable to the activity of Pt/C in acidic and better in alkaline electrolytes. This study also reveals that Fe‐N active centres are responsible for less HO production. Though the Fe‐N moieties and FeC/Fe particles encapsulated N‐doped carbon, both are active centres for ORR, however, Fe‐N sites are more active than others for peroxide reduction reaction. These perceptions suggest rational methodologies for more active and consequently further durable Fe‐N‐C catalysts. decorated on mesoporous carbon nanotubes for oxygen reduction electrocatalysis. In order to explore the role of Fe‐N centres for PRR, a Fe‐N‐C electrocatalyst rooted in nitrogen‐doped carbon nanotubes with mesoporous structures was synthesized from a Fe/Zn‐dicyanoimidazolate framework.
doi10.1002/chem.201802453
pages10630-10635
date2018-07-25