Preparation and characterization of isotropic pitch-based carbon fiber

Jiadeng Zhu; Sang Wook Park (박상욱); JO HAN IK (조한익); Hwan Chul Kim (김환철); 이성호

Preparation and characterization of isotropic pitch-based carbon fiber

Carbon Letters
Abbr : Carbon Lett.
2013, 14(2), pp.94-98
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Jiadeng Zhu ¹, Sang Wook Park ², JO HAN IK ¹, Hwan Chul Kim ³, 이성호 ¹

¹한국과학기술연구원
²GS Caltex R&D Center
³전북대학교

Accredited

ABSTRACT

Isotropic pitch fibers were stabilized and carbonized for preparing carbon fibers. To optimize the duration and temperature during the stabilization process, a thermogravimetric analysis was conducted. Stabilized fibers were carbonized at 1000, 1500, and 2000°C in a furnace under a nitrogen atmosphere. An elemental analysis confirmed that the carbon content increased with an increase in the carbonization temperature. Although short graphitic-like layers were observed with carbon fibers heat-treated at 1500 and 2000°C, Raman spectroscopy and X-ray diffraction revealed no significant effect of the carbonization temperature on the crystalline structure of the carbon fibers, indicating the limit of developing an ordered structure of isotropic pitch-based carbon fibers. The electrical conductivity of the carbonized fiber reached 3.9 × 104 S/m with the carbonization temperature increasing to 2000°C using a four-point method.

KEYWORDS

isotropic pitch, stabilization, carbonization, Raman, X-ray diffraction

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2023-01-02)

Total Citation Counts(KCI+WOS) (26) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

* References for papers published after 2023 are currently being built.

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04