Graphite whiskers derived from waste coffee grounds treated at high temperature

Gan Jet Hong Melvin and Zhipeng Wang and Shingo Morimoto and Masatsugu Fujishige and Kenji Takeuchi and Yoshio Hashimoto and Morinobu Endo (2019) Graphite whiskers derived from waste coffee grounds treated at high temperature. Global Challenges, 3. pp. 1-4. ISSN 2056-6646

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Abstract

Graphite whiskers (GWs) are obtained from coffee grounds (CGs) treated at 2500 °C for 1 h in the presence of Ar gas at 1 atm. The majority of the GWs formed inside the CGs shell are rod-like with a conical tip with diameter and length in the range between 1 to 3 µm and 4 to 10 µm, respectively. At first, the carbon layer might be grown in a turbostratic manner, and then progressively graphitized at higher temperature. The strong G′ peak intensity might be induced by the disclination of graphitized carbon layers.

Item Type:	Article
Keyword:	Coffee grounds , Graphite whiskers , High temperature , Raman spectroscopy
Subjects:	Q Science > QD Chemistry > QD1-999 Chemistry > QD241-441 Organic chemistry T Technology > TD Environmental technology. Sanitary engineering > TD1-1066 Environmental technology. Sanitary engineering > TD783-812.5 Municipal refuse. Solid wastes
Department:	FACULTY > Faculty of Engineering
Depositing User:	DG MASNIAH AHMAD -
Date Deposited:	23 Nov 2021 07:49
Last Modified:	23 Nov 2021 07:49
URI:	https://eprints.ums.edu.my/id/eprint/31059

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