Carbon nanotube/graphene oxide-added CaO-B2O3-SiO2 glass/Al2O3 composite as substrate for chip-type supercapacitor

Tae Ho Lee; Sung Hoon Cho; Tae Gon Lee; Hyo Tae Kim; In Kyu You; Sahn Nahm

doi:10.1111/jace.15466

Carbon nanotube/graphene oxide-added CaO-B₂O₃-SiO₂ glass/Al₂O₃ composite as substrate for chip-type supercapacitor

Tae Ho Lee, Sung Hoon Cho, Tae Gon Lee, Hyo Tae Kim, In Kyu You, Sahn Nahm

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A CaO-B₂O₃-SiO₂ (CBS) glass/40 wt% Al₂O₃ composite sintered at 900°C exhibited a dense microstructure with a low porosity of 0.21%. This composite contained Al₂O₃ and anorthite phases, but pure glass sintered at 900°C has small quantities of wollastonite and diopside phases. This composite was measured to have a high bending strength of 323 MPa and thermal conductivity of 3.75 W/(mK). The thermal conductivity increased when the composite was annealed at 850°C after sintering at 900°C, because of the increase in the amount of the anorthite phase. 0.25 wt% graphene oxide and 0.75 wt% multi-wall carbon nanotubes were added to the CBS/40 wt% Al₂O₃ composite to further enhance the thermal conductivity and bending strength. The specimen sintered at 900°C and subsequently annealed at 850°C exhibited a large bending strength of 420 MPa and thermal conductivity of 5.51 W/(mK), indicating that it would be a highly effective substrate for a chip-type supercapacitor.

Original language	English
Pages (from-to)	3156-3167
Number of pages	12
Journal	Journal of the American Ceramic Society
Volume	101
Issue number	7
DOIs	https://doi.org/10.1111/jace.15466
Publication status	Published - 2018 Jul

Bibliographical note

Funding Information:
We acknowledge the financial support from the R&D Convergence Program of the MSIP (Ministry of Science, ICT and Future Planning) and the NST (National Research Council of Science & Technology) of the Republic of Korea (Grant CAP-13-02-ETRI). In addition, we extend our thanks to the KU-KIST graduate school program of Korea University.

Publisher Copyright:
© 2018 The American Ceramic Society

Keywords

ceramic-metal systems
glass-ceramics
low-temperature co-fired ceramics
mechanical properties
thermal conductivity

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1111/jace.15466

Cite this

@article{78a98c4a5cb34a64bad23192b8db605d,

title = "Carbon nanotube/graphene oxide-added CaO-B2O3-SiO2 glass/Al2O3 composite as substrate for chip-type supercapacitor",

abstract = "A CaO-B2O3-SiO2 (CBS) glass/40 wt% Al2O3 composite sintered at 900°C exhibited a dense microstructure with a low porosity of 0.21%. This composite contained Al2O3 and anorthite phases, but pure glass sintered at 900°C has small quantities of wollastonite and diopside phases. This composite was measured to have a high bending strength of 323 MPa and thermal conductivity of 3.75 W/(mK). The thermal conductivity increased when the composite was annealed at 850°C after sintering at 900°C, because of the increase in the amount of the anorthite phase. 0.25 wt% graphene oxide and 0.75 wt% multi-wall carbon nanotubes were added to the CBS/40 wt% Al2O3 composite to further enhance the thermal conductivity and bending strength. The specimen sintered at 900°C and subsequently annealed at 850°C exhibited a large bending strength of 420 MPa and thermal conductivity of 5.51 W/(mK), indicating that it would be a highly effective substrate for a chip-type supercapacitor.",

keywords = "ceramic-metal systems, glass-ceramics, low-temperature co-fired ceramics, mechanical properties, thermal conductivity",

author = "Lee, {Tae Ho} and Cho, {Sung Hoon} and Lee, {Tae Gon} and Kim, {Hyo Tae} and You, {In Kyu} and Sahn Nahm",

note = "Funding Information: We acknowledge the financial support from the R&D Convergence Program of the MSIP (Ministry of Science, ICT and Future Planning) and the NST (National Research Council of Science & Technology) of the Republic of Korea (Grant CAP-13-02-ETRI). In addition, we extend our thanks to the KU-KIST graduate school program of Korea University. Publisher Copyright: {\textcopyright} 2018 The American Ceramic Society",

year = "2018",

month = jul,

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language = "English",

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pages = "3156--3167",

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AU - Lee, Tae Ho

AU - Cho, Sung Hoon

AU - Lee, Tae Gon

AU - Kim, Hyo Tae

AU - You, In Kyu

AU - Nahm, Sahn

N1 - Funding Information: We acknowledge the financial support from the R&D Convergence Program of the MSIP (Ministry of Science, ICT and Future Planning) and the NST (National Research Council of Science & Technology) of the Republic of Korea (Grant CAP-13-02-ETRI). In addition, we extend our thanks to the KU-KIST graduate school program of Korea University. Publisher Copyright: © 2018 The American Ceramic Society

PY - 2018/7

Y1 - 2018/7

N2 - A CaO-B2O3-SiO2 (CBS) glass/40 wt% Al2O3 composite sintered at 900°C exhibited a dense microstructure with a low porosity of 0.21%. This composite contained Al2O3 and anorthite phases, but pure glass sintered at 900°C has small quantities of wollastonite and diopside phases. This composite was measured to have a high bending strength of 323 MPa and thermal conductivity of 3.75 W/(mK). The thermal conductivity increased when the composite was annealed at 850°C after sintering at 900°C, because of the increase in the amount of the anorthite phase. 0.25 wt% graphene oxide and 0.75 wt% multi-wall carbon nanotubes were added to the CBS/40 wt% Al2O3 composite to further enhance the thermal conductivity and bending strength. The specimen sintered at 900°C and subsequently annealed at 850°C exhibited a large bending strength of 420 MPa and thermal conductivity of 5.51 W/(mK), indicating that it would be a highly effective substrate for a chip-type supercapacitor.

AB - A CaO-B2O3-SiO2 (CBS) glass/40 wt% Al2O3 composite sintered at 900°C exhibited a dense microstructure with a low porosity of 0.21%. This composite contained Al2O3 and anorthite phases, but pure glass sintered at 900°C has small quantities of wollastonite and diopside phases. This composite was measured to have a high bending strength of 323 MPa and thermal conductivity of 3.75 W/(mK). The thermal conductivity increased when the composite was annealed at 850°C after sintering at 900°C, because of the increase in the amount of the anorthite phase. 0.25 wt% graphene oxide and 0.75 wt% multi-wall carbon nanotubes were added to the CBS/40 wt% Al2O3 composite to further enhance the thermal conductivity and bending strength. The specimen sintered at 900°C and subsequently annealed at 850°C exhibited a large bending strength of 420 MPa and thermal conductivity of 5.51 W/(mK), indicating that it would be a highly effective substrate for a chip-type supercapacitor.

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