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Effect of kneading and carbonization temperature on the structure of the carbon block for thermally conductive bulk graphites

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2021, 31(6), pp.1357-1364
  • DOI : 10.1007/s42823-021-00288-5
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : July 20, 2021
  • Accepted : September 27, 2021
  • Published : December 1, 2021

An Donghae 1 Kim Kyung Hoon 1 Lim Chaehun 1 Lee, Young-Seak 1

1충남대학교

Accredited

ABSTRACT

Artifcial graphites have been used in various applications, for example, as anode materials for Li-ion batteries, C/C composites, and electrodes for aluminum smelting, due to their unique mechanical strength and high thermal and electrical conductivity. Artifcial graphites can be manufactured by a series of kneading, molding, carbonization and graphitization processes with an additional impregnation process. In this study, the infuence of the process variables in the kneading and carbonization/graphitization process on the properties of the resulting carbon block was systemically investigated. During the kneading process, the optimum kneading temperature was 90 °C higher than the softening point of the binder pitch; thus, the binder pitch reached its maximum fuidity. On the other hand, during the carbonization and graphitization process, the structural properties of carbon blocks prepared at diferent heat treatment temperatures were examined and their structural change and evolution were closely described according to the temperature and divided into low-temperature carbonization and high-temperature carbonization/graphitization. Based on this study, we expect to provide a better understanding of setting the parameters for thermally conductive carbon block manufacturing.

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 2023-07-13)

Total Citation Counts(KCI+WOS) (14) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (12) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2023-10-01)

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