Thermal conductivity of graphite nanofibers electrospun from graphene oxide-doped polyimide

YUAN Ze-zheng; CHEN Wei; SHI Yun-kai; CHU Xiao-dong; HUANG Zheng-hong; GAN Lin; LI Jia; HE Yan-bing; LI Bao-hua; KANG Fei-yu; DU Hong-da

doi:10.1016/S1872-5805(21)60077-X

Volume 36 Issue 5

Sep. 2021

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Article Navigation > New Carbon Mater. > 2021 > 36(5): 940-948

YUAN Ze-zheng, CHEN Wei, SHI Yun-kai, CHU Xiao-dong, HUANG Zheng-hong, GAN Lin, LI Jia, HE Yan-bing, LI Bao-hua, KANG Fei-yu, DU Hong-da. Thermal conductivity of graphite nanofibers electrospun from graphene oxide-doped polyimide. New Carbon Mater., 2021, 36(5): 940-948. doi: 10.1016/S1872-5805(21)60077-X

Citation:

YUAN Ze-zheng, CHEN Wei, SHI Yun-kai, CHU Xiao-dong, HUANG Zheng-hong, GAN Lin, LI Jia, HE Yan-bing, LI Bao-hua, KANG Fei-yu, DU Hong-da. Thermal conductivity of graphite nanofibers electrospun from graphene oxide-doped polyimide. New Carbon Mater., 2021, 36(5): 940-948. doi: 10.1016/S1872-5805(21)60077-X

Citation:

YUAN Ze-zheng, CHEN Wei, SHI Yun-kai, CHU Xiao-dong, HUANG Zheng-hong, GAN Lin, LI Jia, HE Yan-bing, LI Bao-hua, KANG Fei-yu, DU Hong-da. Thermal conductivity of graphite nanofibers electrospun from graphene oxide-doped polyimide. New Carbon Mater., 2021, 36(5): 940-948. doi: 10.1016/S1872-5805(21)60077-X

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Thermal conductivity of graphite nanofibers electrospun from graphene oxide-doped polyimide

doi: 10.1016/S1872-5805(21)60077-X

YUAN Ze-zheng^{1, 2, 3
,},
CHEN Wei¹,
SHI Yun-kai¹,
CHU Xiao-dong¹,
HUANG Zheng-hong^{1, 3},
GAN Lin^{1, 2},
LI Jia^{1, 2},
HE Yan-bing^{1, 2},
LI Bao-hua^{1, 2},
KANG Fei-yu^{1, 2, 3},
DU Hong-da^{1, 2
,
,}

1.
Guangdong Provincial Key Laboratory of Thermal Management Engineering & Materials, National-Local Joint Engineering Laboratory of Functional Carbon Materials, Shenzhen 518055, China
2.
Shenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Shenzhen 518055, China
3.
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

Funds: This work was supported by the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01N111), and Guangdong Key Laboratory Project (2020B1212060015)

More Information

Author Bio:
袁泽正，硕士研究生. E-mail：1377427723@qq.com
Corresponding author: DU Hong-da, Associate professor. E-mail: duhd@sz.tsinghua.edu.cn
Received Date: 2021-02-24
Rev Recd Date: 2021-04-29

Available Online: 2021-07-05

Publish Date: 2021-10-01

Abstract

Abstract

Aromatic polyimide (PI)-based graphite nanofibers were obtained from the graphitization of graphene oxide (GO)-doped electrospun PI nanofibers. GO improves the PI molecular orientation, crystalline structure and thermal conductivity of the resulting nanofibers. The degree of PI molecular orientation in the nanofibers is increased by the GO during fiber preparation. This improvement in molecular orientation produces an increase in the thermal conductivity of the graphite nanofibers, and the addition of only 0.1% GO has a significant effect. The GO not only affects the thermal conductivity, but improves the PI molecular orientation and its role as nucleation centers during graphitization. This approach and the resulting high thermal conductivity materials show great potential for practical applications.
- Graphite nanofiber,
- Polyimide,
- Graphene,
- Thermal conductivity

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References(26)

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