Facile preparation of pitch-derived carbon for high electrically conductive composites <i>via</i> carbon nanotube template

GUO Junzhuo; LEI Zhiping; YAN Honglei; JIA Tongxin; YANG Xue; LI Zhanku; YAN Jingchong; SHUI Hengfu; REN Shibiao; WANG Zhicai; KANG Shigang

doi:10.19906/j.cnki.JFCT.2023049

Volume 52 Issue 3

Mar. 2024

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Article Navigation > Journal of Fuel Chemistry and Technology > 2024 > 52(3): 405-412

GUO Junzhuo, LEI Zhiping, YAN Honglei, JIA Tongxin, YANG Xue, LI Zhanku, YAN Jingchong, SHUI Hengfu, REN Shibiao, WANG Zhicai, KANG Shigang. Facile preparation of pitch-derived carbon for high electrically conductive composites via carbon nanotube template[J]. Journal of Fuel Chemistry and Technology, 2024, 52(3): 405-412. doi: 10.19906/j.cnki.JFCT.2023049

Citation:

GUO Junzhuo, LEI Zhiping, YAN Honglei, JIA Tongxin, YANG Xue, LI Zhanku, YAN Jingchong, SHUI Hengfu, REN Shibiao, WANG Zhicai, KANG Shigang. Facile preparation of pitch-derived carbon for high electrically conductive composites via carbon nanotube template[J]. Journal of Fuel Chemistry and Technology, 2024, 52(3): 405-412. doi: 10.19906/j.cnki.JFCT.2023049

Citation:

GUO Junzhuo, LEI Zhiping, YAN Honglei, JIA Tongxin, YANG Xue, LI Zhanku, YAN Jingchong, SHUI Hengfu, REN Shibiao, WANG Zhicai, KANG Shigang. Facile preparation of pitch-derived carbon for high electrically conductive composites via carbon nanotube template[J]. Journal of Fuel Chemistry and Technology, 2024, 52(3): 405-412. doi: 10.19906/j.cnki.JFCT.2023049

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Facile preparation of pitch-derived carbon for high electrically conductive composites via carbon nanotube template

doi: 10.19906/j.cnki.JFCT.2023049

School of Chemistry & Chemical Engineering, Key Laboratory of Coal Clean Conversion and High Valued Utilization, Anhui University of Technology, Ma'anshan 243002, China

Funds: The project was supported by the National Natural Science Foundation of China (21878001, 22078002, 22108004, 21978002, 22008001)

Received Date: 2023-04-25
Accepted Date: 2023-06-05
Rev Recd Date: 2023-06-05

Available Online: 2023-06-27

Publish Date: 2024-03-10

Abstract

Abstract

Coal pitch, a byproduct of coal coking, is an ideal precursor for preparing conductive carbon fillers because of its rich aromatics and high yield of carbonization products. In this paper, coal pitch-based carbon materials with controllable morphology and structure were prepared by carbonization using coal pitch and multi-walled carbon nanotubes as raw material and structure-directing agent, respectively. The effect of carbon nanotubes on the structure and electrothermal properties of carbon materials was investigated. The results show that the doping of multi-walled carbon nanotubes results in an increase in the lattice arrangement order, a decrease in lattice spacing, and an increase in graphitization degree of conductive fillers, which leads to a significant increase in the carrier concentration of the carbon film and thus its conductivity. The doping of 2% carbon nanotubes can increase the carrier concentration of coal pitch-based carbon film by 3.2 times and reduce the resistance of coal pitch-based carbon film by 67%. At 5, 10 and 15 V, the heating temperature of the coal pitch-based carbon film can reach 44, 88 and 165 ℃, respectively, which is enhanced 7, 22 and 70 ℃ compared with the undoped carbon film, showing great application prospect.
- coal pitch,
- carbon film,
- carbon nanotube template,
- Joule heating

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References(16)

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