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Materials Science and Technology Volume 38, 2022 - Issue 1
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Short Communication

Novel expanded graphite with a ‘Spitball’ structure

Zhen-Xue LiuCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaCorrespondence[email protected]
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,
Lin-yuan JiangCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaView further author information
,
Xin-xin WangCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaView further author information
,
Min-jie MaCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaView further author information
,
Qian-qian LuCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaView further author information
&
Peng LiangCollege of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, People’s Republic of ChinaView further author information
Pages 1-4 | Received 08 Aug 2021, Accepted 05 Dec 2021, Published online: 26 Dec 2021
 
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Abstract

New expanded graphite (EG) sample is synthesised by using novel methods. Scanning electron microscopy images of the EG samples are significantly different from traditional EGs which has worm-like morphology and web-like microstructure. The new EG does not exhibit such morphology and has almost no web-like microstructure. The ‘pores’ in the new EG sample result from the intervals formed from folds, bends, and squeezing of graphite flakes, which is similar to the gradual and free expansion of compact spitballs. Based on this, the new EG should be called ‘spitball’ EG, i.e. SEG.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This study was financially supported by National Natural Science Foundation of China [grant number 21776164]; Shandong Natural Science Foundation [grant number ZR2018MEE003].

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