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Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications

Saqib Rafique, Matthew Burton, Nafiseh Badiei, Shahin Mehraban, Afshin Tarat, Guangzheng Zuo, Lijie Li Orcid Logo, Yiqiang Zhan

Advanced Electronic Materials, Volume: 9, Issue: 7

Swansea University Authors: Saqib Rafique, Matthew Burton, Nafiseh Badiei, Shahin Mehraban, Lijie Li Orcid Logo

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DOI (Published version): 10.1002/aelm.202300023

Abstract

Carbon-based materials are becoming a promising candidate for thermoelectricity. Among them, graphene shows limited scope due to its ultra-high thermal conductivity (κ). To develop graphene-based thermoelectric devices, reduction of κ is highly desired while maintaining reasonably high electrical co...

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Published in: Advanced Electronic Materials
ISSN: 2199-160X 2199-160X
Published: Wiley 2023
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Among them, graphene shows limited scope due to its ultra-high thermal conductivity (κ). To develop graphene-based thermoelectric devices, reduction of κ is highly desired while maintaining reasonably high electrical conductivity (σ). Herein, multiwalled carbon nanotubes (MWCNTs) and carbon black (CB) fillers are added into few layered graphene (FLG) to produce all-carbon composites yielding ultra-low thermal conductivity (κ) desired for thermoelectric applications. The novel preparation method of pristine FLG realizes very low κ of 6.90 W m−1 K−1 at 1248 K, which further reduces to 0.57, 0.81, and 0.69 W m−1 K−1 at the same temperature for FLG + MWCNTs, FLG + CB, and FLG + MWCNTs + CB, respectively. As-prepared FLG composites also maintain reasonably high σ, whilst the Seebeck coefficient shows over a factor of five improvement after the inclusion of carbon-based fillers. Consequently, the power factor (PF) is significantly improved. The ultralow κ is attributed to the increased thermal boundary resistance among graphene sheet boundaries. The realization of ultralow κ with simultaneous improvement in Seebeck coefficients and relatively small drops in σ with a facile and unique synthesis technique, highlight the potential of these composites.</abstract><type>Journal Article</type><journal>Advanced Electronic Materials</journal><volume>9</volume><journalNumber>7</journalNumber><paginationStart/><paginationEnd/><publisher>Wiley</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2199-160X</issnPrint><issnElectronic>2199-160X</issnElectronic><keywords>All-carbon, few layered graphene, thermoelectrics, ultra-low thermal conductivity</keywords><publishedDay>1</publishedDay><publishedMonth>7</publishedMonth><publishedYear>2023</publishedYear><publishedDate>2023-07-01</publishedDate><doi>10.1002/aelm.202300023</doi><url>http://dx.doi.org/10.1002/aelm.202300023</url><notes/><college>COLLEGE NANME</college><department>Materials Science and Engineering</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>MTLS</DepartmentCode><institution>Swansea University</institution><apcterm>SU Library paid the OA fee (TA Institutional Deal)</apcterm><funders>Swansea University. This work was supported by the National Natural Science Foundation of China under the grant number 62274040. M.R.B. would like to acknowledge EPSRC (EP/N020863/1) and the European Regional Development Fund (c80892) through the Welsh Government for funding. M.R.B. would also like to thank EPSRC (EP/S018107/1). 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spelling v2 63352 2023-05-05 Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications 24fba91f85bf6f1f17145e84bf1b32d9 Saqib Rafique Saqib Rafique true false 2deade2806e39b1f749e9cf67ac640b2 Matthew Burton Matthew Burton true false c82cd1b82759801ab0045cb9f0047b06 Nafiseh Badiei Nafiseh Badiei true false c7e4a4152b2cf403da129be7d1c2904d Shahin Mehraban Shahin Mehraban true false ed2c658b77679a28e4c1dcf95af06bd6 0000-0003-4630-7692 Lijie Li Lijie Li true false 2023-05-05 MTLS Carbon-based materials are becoming a promising candidate for thermoelectricity. Among them, graphene shows limited scope due to its ultra-high thermal conductivity (κ). To develop graphene-based thermoelectric devices, reduction of κ is highly desired while maintaining reasonably high electrical conductivity (σ). Herein, multiwalled carbon nanotubes (MWCNTs) and carbon black (CB) fillers are added into few layered graphene (FLG) to produce all-carbon composites yielding ultra-low thermal conductivity (κ) desired for thermoelectric applications. The novel preparation method of pristine FLG realizes very low κ of 6.90 W m−1 K−1 at 1248 K, which further reduces to 0.57, 0.81, and 0.69 W m−1 K−1 at the same temperature for FLG + MWCNTs, FLG + CB, and FLG + MWCNTs + CB, respectively. As-prepared FLG composites also maintain reasonably high σ, whilst the Seebeck coefficient shows over a factor of five improvement after the inclusion of carbon-based fillers. Consequently, the power factor (PF) is significantly improved. The ultralow κ is attributed to the increased thermal boundary resistance among graphene sheet boundaries. The realization of ultralow κ with simultaneous improvement in Seebeck coefficients and relatively small drops in σ with a facile and unique synthesis technique, highlight the potential of these composites. Journal Article Advanced Electronic Materials 9 7 Wiley 2199-160X 2199-160X All-carbon, few layered graphene, thermoelectrics, ultra-low thermal conductivity 1 7 2023 2023-07-01 10.1002/aelm.202300023 http://dx.doi.org/10.1002/aelm.202300023 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University. This work was supported by the National Natural Science Foundation of China under the grant number 62274040. M.R.B. would like to acknowledge EPSRC (EP/N020863/1) and the European Regional Development Fund (c80892) through the Welsh Government for funding. M.R.B. would also like to thank EPSRC (EP/S018107/1). S.M. wishes to thank the Welsh Government, ERDF, and SMARTExpertise Wales for funding MACH1 and COMET. 2023-09-05T11:41:22.2544577 2023-05-05T11:09:02.9526423 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Saqib Rafique 1 Matthew Burton 2 Nafiseh Badiei 3 Shahin Mehraban 4 Afshin Tarat 5 Guangzheng Zuo 6 Lijie Li 0000-0003-4630-7692 7 Yiqiang Zhan 8 63352__28252__7248ff0e5b5b4657bcbdd5a85cade6c1.pdf 63352.VOR.pdf 2023-08-07T15:00:40.9457082 Output 1771167 application/pdf Version of Record true © 2023 The Authors. Advanced Electronic Materials published by Wiley-VCH GmbH. Distributed under the terms of a Creative Commons Attribution 4.0 License (CC BY 4.0). true eng https://creativecommons.org/licenses/by/4.0/
title Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
spellingShingle Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
Saqib Rafique
Matthew Burton
Nafiseh Badiei
Shahin Mehraban
Lijie Li
title_short Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
title_full Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
title_fullStr Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
title_full_unstemmed Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
title_sort Ultralow Thermal Conductivity Achieved by All Carbon Nanocomposites for Thermoelectric Applications
author_id_str_mv 24fba91f85bf6f1f17145e84bf1b32d9
2deade2806e39b1f749e9cf67ac640b2
c82cd1b82759801ab0045cb9f0047b06
c7e4a4152b2cf403da129be7d1c2904d
ed2c658b77679a28e4c1dcf95af06bd6
author_id_fullname_str_mv 24fba91f85bf6f1f17145e84bf1b32d9_***_Saqib Rafique
2deade2806e39b1f749e9cf67ac640b2_***_Matthew Burton
c82cd1b82759801ab0045cb9f0047b06_***_Nafiseh Badiei
c7e4a4152b2cf403da129be7d1c2904d_***_Shahin Mehraban
ed2c658b77679a28e4c1dcf95af06bd6_***_Lijie Li
author Saqib Rafique
Matthew Burton
Nafiseh Badiei
Shahin Mehraban
Lijie Li
author2 Saqib Rafique
Matthew Burton
Nafiseh Badiei
Shahin Mehraban
Afshin Tarat
Guangzheng Zuo
Lijie Li
Yiqiang Zhan
format Journal article
container_title Advanced Electronic Materials
container_volume 9
container_issue 7
publishDate 2023
institution Swansea University
issn 2199-160X
2199-160X
doi_str_mv 10.1002/aelm.202300023
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
url http://dx.doi.org/10.1002/aelm.202300023
document_store_str 1
active_str 0
description Carbon-based materials are becoming a promising candidate for thermoelectricity. Among them, graphene shows limited scope due to its ultra-high thermal conductivity (κ). To develop graphene-based thermoelectric devices, reduction of κ is highly desired while maintaining reasonably high electrical conductivity (σ). Herein, multiwalled carbon nanotubes (MWCNTs) and carbon black (CB) fillers are added into few layered graphene (FLG) to produce all-carbon composites yielding ultra-low thermal conductivity (κ) desired for thermoelectric applications. The novel preparation method of pristine FLG realizes very low κ of 6.90 W m−1 K−1 at 1248 K, which further reduces to 0.57, 0.81, and 0.69 W m−1 K−1 at the same temperature for FLG + MWCNTs, FLG + CB, and FLG + MWCNTs + CB, respectively. As-prepared FLG composites also maintain reasonably high σ, whilst the Seebeck coefficient shows over a factor of five improvement after the inclusion of carbon-based fillers. Consequently, the power factor (PF) is significantly improved. The ultralow κ is attributed to the increased thermal boundary resistance among graphene sheet boundaries. The realization of ultralow κ with simultaneous improvement in Seebeck coefficients and relatively small drops in σ with a facile and unique synthesis technique, highlight the potential of these composites.
published_date 2023-07-01T11:41:23Z
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score 11.013731

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