Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis

Fe-based catalysts show great promise in advancing the application of high-temperature Fischer-Tropsch synthesis (HT-FTS) for producing value-added chemicals and liquid fuels; however, maintaining high catalytic activity and stability at elevated temperatures remains a significant challenge. Here, a...

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Autores: Xi, Mengmeng, Cheng, Yang, Meng, Fanhui, Yao, Xuefang, Nawaz, Muhammad Asif, Saif, Maria, Li, Zhong, Ramírez-Reina, Tomás
Formato: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2025
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/381511
Acesso em linha:http://hdl.handle.net/10261/381511
https://api.elsevier.com/content/abstract/scopus_id/85211253530
Access Level:acceso embargado
Palavra-chave:3D structure
Carbon encapsulation
Chitosan
Fischer-Tropsch synthesis
Iron-based catalyst
N-doping
http://metadata.un.org/sdg/7
http://metadata.un.org/sdg/13
Ensure access to affordable, reliable, sustainable and modern energy for all
Take urgent action to combat climate change and its impacts
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spelling Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesisXi, MengmengCheng, YangMeng, FanhuiYao, XuefangNawaz, Muhammad AsifSaif, MariaLi, ZhongRamírez-Reina, Tomás3D structureCarbon encapsulationChitosanFischer-Tropsch synthesisIron-based catalystN-dopinghttp://metadata.un.org/sdg/7http://metadata.un.org/sdg/13Ensure access to affordable, reliable, sustainable and modern energy for allTake urgent action to combat climate change and its impactsFe-based catalysts show great promise in advancing the application of high-temperature Fischer-Tropsch synthesis (HT-FTS) for producing value-added chemicals and liquid fuels; however, maintaining high catalytic activity and stability at elevated temperatures remains a significant challenge. Here, a novel approach was employed to prepare carbon sphere (CS)-supported Fe catalysts, where isolated Fe particles are efficiently embedded within a carbon matrix to enhance both catalytic activity and stability. The resulting 3D scaffold structure catalyst featuring ultrafine FeOx nanoparticles (NPs) dispersed within nitrogen-doped carbon frameworks was synthesized from Fe-chitosan/CS composites using a chelate-assisted impregnation method paired with unidirectional freeze treatment. The coordination between chitosan chains and Fe(Ⅲ) has yielded a homogeneous Fe-chitosan composite, with the embedded FeOx NPs within the nitrogen-doped carbon (NC) matrix serving as pivotal barriers against sintering, thus enhancing stability. The synergistic effect of adding K promoter and the resulting 3D scaffold structure in Fe-K@NC/CS catalyst has further fine-tuned catalytic activity, ensuring high stability in HT-FTS. The current strategy of fabricating N-doped 3D scaffold structures of hybrid carbonaceous material achieved unprecedented results, with the CO conversion reached 62.7 % and C2-C4= olefin selectivity of 29.0 % at 340 °C, 20 bar and space velocity of 48000 mL gcat–1h−1.This work is financially supported by Shanxi Province Natural Science Foundation (202103021224073) and National Natural Science Foundation of China (22479106). The authors also acknowledge the financial support from the Spanish Ministry of Science through the projects NICER-BIOFUELS (ref: PLEC2021-008086, sponsored by MCIN/AEI/10.13039/501100011033 Next Generation Europe SMART-FTS (ref: PID2021–126876OB-I00).Peer reviewedElsevierNatural Science Foundation of Shanxi ProvinceMinisterio de Ciencia e Innovación (España)European CommissionXi, Mengmeng [0000-0002-4758-5451]Cheng, Yang [0000-0003-4249-657X]Meng, Fanhui [0000-0003-0998-5179]Yao, Xuefang [0009-0004-3045-9733]Nawaz, Muhammad Asif [0000-0003-3234-031X]Saif, Maria [0000-0002-2369-7846]Li, Zhong [0000-0003-3815-6484]Ramírez-Reina, Tomás [0000-0001-9693-5107]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_998fPostprintinfo:eu-repo/semantics/acceptedVersioninfo:eu-repo/semantics/contributionToPeriodicalapplication/pdfhttp://hdl.handle.net/10261/381511https://api.elsevier.com/content/abstract/scopus_id/85211253530reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-126876OB-I00info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PLEC2021-008086https://doi.org/10.1016/j.cej.2024.158333Síinfo:eu-repo/semantics/embargoedAccessoai:digital.csic.es:10261/3815112026-05-22T06:33:51Z
dc.title.none.fl_str_mv Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
title Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
spellingShingle Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
Xi, Mengmeng
3D structure
Carbon encapsulation
Chitosan
Fischer-Tropsch synthesis
Iron-based catalyst
N-doping
http://metadata.un.org/sdg/7
http://metadata.un.org/sdg/13
Ensure access to affordable, reliable, sustainable and modern energy for all
Take urgent action to combat climate change and its impacts
title_short Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
title_full Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
title_fullStr Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
title_full_unstemmed Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
title_sort Densely embedded homogeneous FeO<inf>x</inf> nanoparticles in N-doped carbon frameworks: A 3D scaffold catalyst for high-temperature Fischer-Tropsch synthesis
dc.creator.none.fl_str_mv Xi, Mengmeng
Cheng, Yang
Meng, Fanhui
Yao, Xuefang
Nawaz, Muhammad Asif
Saif, Maria
Li, Zhong
Ramírez-Reina, Tomás
author Xi, Mengmeng
author_facet Xi, Mengmeng
Cheng, Yang
Meng, Fanhui
Yao, Xuefang
Nawaz, Muhammad Asif
Saif, Maria
Li, Zhong
Ramírez-Reina, Tomás
author_role author
author2 Cheng, Yang
Meng, Fanhui
Yao, Xuefang
Nawaz, Muhammad Asif
Saif, Maria
Li, Zhong
Ramírez-Reina, Tomás
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Natural Science Foundation of Shanxi Province
Ministerio de Ciencia e Innovación (España)
European Commission
Xi, Mengmeng [0000-0002-4758-5451]
Cheng, Yang [0000-0003-4249-657X]
Meng, Fanhui [0000-0003-0998-5179]
Yao, Xuefang [0009-0004-3045-9733]
Nawaz, Muhammad Asif [0000-0003-3234-031X]
Saif, Maria [0000-0002-2369-7846]
Li, Zhong [0000-0003-3815-6484]
Ramírez-Reina, Tomás [0000-0001-9693-5107]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv 3D structure
Carbon encapsulation
Chitosan
Fischer-Tropsch synthesis
Iron-based catalyst
N-doping
http://metadata.un.org/sdg/7
http://metadata.un.org/sdg/13
Ensure access to affordable, reliable, sustainable and modern energy for all
Take urgent action to combat climate change and its impacts
topic 3D structure
Carbon encapsulation
Chitosan
Fischer-Tropsch synthesis
Iron-based catalyst
N-doping
http://metadata.un.org/sdg/7
http://metadata.un.org/sdg/13
Ensure access to affordable, reliable, sustainable and modern energy for all
Take urgent action to combat climate change and its impacts
description Fe-based catalysts show great promise in advancing the application of high-temperature Fischer-Tropsch synthesis (HT-FTS) for producing value-added chemicals and liquid fuels; however, maintaining high catalytic activity and stability at elevated temperatures remains a significant challenge. Here, a novel approach was employed to prepare carbon sphere (CS)-supported Fe catalysts, where isolated Fe particles are efficiently embedded within a carbon matrix to enhance both catalytic activity and stability. The resulting 3D scaffold structure catalyst featuring ultrafine FeOx nanoparticles (NPs) dispersed within nitrogen-doped carbon frameworks was synthesized from Fe-chitosan/CS composites using a chelate-assisted impregnation method paired with unidirectional freeze treatment. The coordination between chitosan chains and Fe(Ⅲ) has yielded a homogeneous Fe-chitosan composite, with the embedded FeOx NPs within the nitrogen-doped carbon (NC) matrix serving as pivotal barriers against sintering, thus enhancing stability. The synergistic effect of adding K promoter and the resulting 3D scaffold structure in Fe-K@NC/CS catalyst has further fine-tuned catalytic activity, ensuring high stability in HT-FTS. The current strategy of fabricating N-doped 3D scaffold structures of hybrid carbonaceous material achieved unprecedented results, with the CO conversion reached 62.7 % and C2-C4= olefin selectivity of 29.0 % at 340 °C, 20 bar and space velocity of 48000 mL gcat–1h−1.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_998f
Postprint
info:eu-repo/semantics/acceptedVersion
dc.type.openaire.fl_str_mv info:eu-repo/semantics/contributionToPeriodical
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/381511
https://api.elsevier.com/content/abstract/scopus_id/85211253530
url http://hdl.handle.net/10261/381511
https://api.elsevier.com/content/abstract/scopus_id/85211253530
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-126876OB-I00
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PLEC2021-008086
https://doi.org/10.1016/j.cej.2024.158333
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
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repository.mail.fl_str_mv
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