Graphite whiskers derived from waste coffee grounds treated at high temperature
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 f...
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| Main Authors: | , , , , , , |
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| 格式: | Article |
| 語言: | English English |
| 出版: |
Wiley-VCH GmbH
2019
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| 在線閱讀: | https://eprints.ums.edu.my/id/eprint/31059/1/Graphite%20whiskers%20derived%20from%20waste%20coffee%20grounds%20treated%20at%20high%20temperature-ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/31059/2/Graphite%20whiskers%20derived%20from%20waste%20coffee%20grounds%20treated%20at%20high%20temperature.pdf https://eprints.ums.edu.my/id/eprint/31059/ https://onlinelibrary.wiley.com/doi/full/10.1002/gch2.201800107 https://doi.org/10.1002/gch2.201800107 |
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| 總結: | 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. |
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