Effects of Coal Rank and Macerals on the Structure Characteristics of Coal-Based Graphene Materials from Anthracite in Qinshui Coalfield
Thirteen raw coal samples from Qinshui coalfield were prepared to produce coal-based graphene, and the raw coal, coal-based graphite, and coal-based graphene sheets (GS) were characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy with energy dispersive spectromete...
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| Veröffentlicht in: | Minerals (Basel) 2022-05, Vol.12 (5), p.588 |
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| description | Thirteen raw coal samples from Qinshui coalfield were prepared to produce coal-based graphene, and the raw coal, coal-based graphite, and coal-based graphene sheets (GS) were characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy with energy dispersive spectrometer (SEM-EDS), and high-resolution transmission electron microscopy (HRTEM). The results show that the graphitization degree of coal-based graphite is positively linearly correlated with the reflectance of raw coal, has a low positive correlation with the content of inertinite, and has a low positive correlation with the content of vitrinite in raw coal. The crystallite width (La) and crystallite height (Lc) of coal-based graphite and graphene are positively linearly correlated with the reflectance of raw coal. La and Lc of coal-based graphite are distributed in 17.591–48.374 nm and 11.359–23.023 nm, respectively. After redox, La and Lc of coal-based graphene are distributed in 4.405 nm–6.243 nm and 0.804–1.144 nm, respectively. The defect degree (ID/IG) of coal-based graphene is higher than that of raw coal, demineralized coal, and coal-based graphite. The coal-based graphene is thin and transparent, and only contained carbon and oxygen. Combined with the parameters of XRD and HRTEM, it is calculated that the interlayer spacing (d002) of Qinshui-coal-based graphene is about 0.4007 nm and the number of layers (Nave) is about 5. |
| doi_str_mv | 10.3390/min12050588 |
| format | Article |
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The results show that the graphitization degree of coal-based graphite is positively linearly correlated with the reflectance of raw coal, has a low positive correlation with the content of inertinite, and has a low positive correlation with the content of vitrinite in raw coal. The crystallite width (La) and crystallite height (Lc) of coal-based graphite and graphene are positively linearly correlated with the reflectance of raw coal. La and Lc of coal-based graphite are distributed in 17.591–48.374 nm and 11.359–23.023 nm, respectively. After redox, La and Lc of coal-based graphene are distributed in 4.405 nm–6.243 nm and 0.804–1.144 nm, respectively. The defect degree (ID/IG) of coal-based graphene is higher than that of raw coal, demineralized coal, and coal-based graphite. The coal-based graphene is thin and transparent, and only contained carbon and oxygen. Combined with the parameters of XRD and HRTEM, it is calculated that the interlayer spacing (d002) of Qinshui-coal-based graphene is about 0.4007 nm and the number of layers (Nave) is about 5.</description><identifier>ISSN: 2075-163X</identifier><identifier>EISSN: 2075-163X</identifier><identifier>DOI: 10.3390/min12050588</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Analytical methods ; Anthracite ; Carbon ; Chemical vapor deposition ; Coal ; Correlation ; Crystallites ; Crystals ; Demineralizing ; Electron microscopy ; Graphene ; Graphite ; Graphitization ; High resolution electron microscopy ; Hydrocarbons ; Immunoglobulins ; Interlayers ; Macerals ; Metamorphism ; Oxidation ; Oxidoreductions ; Quantum dots ; Raman spectroscopy ; Raw materials ; Reflectance ; Scanning electron microscopy ; Temperature ; Transmission electron microscopy ; X-ray diffraction</subject><ispartof>Minerals (Basel), 2022-05, Vol.12 (5), p.588</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2138-401479c0ce43dea19ba04f7765e91b11ae9b6a6e9f69b44ffb0096a80db3c54b3</citedby><cites>FETCH-LOGICAL-c2138-401479c0ce43dea19ba04f7765e91b11ae9b6a6e9f69b44ffb0096a80db3c54b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Li, Ruiqing</creatorcontrib><creatorcontrib>Tang, Yuegang</creatorcontrib><creatorcontrib>Che, Qili</creatorcontrib><creatorcontrib>Ma, Pengliang</creatorcontrib><creatorcontrib>Luo, Peng</creatorcontrib><creatorcontrib>Lu, Xin</creatorcontrib><creatorcontrib>Dong, Min</creatorcontrib><title>Effects of Coal Rank and Macerals on the Structure Characteristics of Coal-Based Graphene Materials from Anthracite in Qinshui Coalfield</title><title>Minerals (Basel)</title><description>Thirteen raw coal samples from Qinshui coalfield were prepared to produce coal-based graphene, and the raw coal, coal-based graphite, and coal-based graphene sheets (GS) were characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy with energy dispersive spectrometer (SEM-EDS), and high-resolution transmission electron microscopy (HRTEM). The results show that the graphitization degree of coal-based graphite is positively linearly correlated with the reflectance of raw coal, has a low positive correlation with the content of inertinite, and has a low positive correlation with the content of vitrinite in raw coal. The crystallite width (La) and crystallite height (Lc) of coal-based graphite and graphene are positively linearly correlated with the reflectance of raw coal. La and Lc of coal-based graphite are distributed in 17.591–48.374 nm and 11.359–23.023 nm, respectively. After redox, La and Lc of coal-based graphene are distributed in 4.405 nm–6.243 nm and 0.804–1.144 nm, respectively. The defect degree (ID/IG) of coal-based graphene is higher than that of raw coal, demineralized coal, and coal-based graphite. The coal-based graphene is thin and transparent, and only contained carbon and oxygen. Combined with the parameters of XRD and HRTEM, it is calculated that the interlayer spacing (d002) of Qinshui-coal-based graphene is about 0.4007 nm and the number of layers (Nave) is about 5.</description><subject>Analytical methods</subject><subject>Anthracite</subject><subject>Carbon</subject><subject>Chemical vapor deposition</subject><subject>Coal</subject><subject>Correlation</subject><subject>Crystallites</subject><subject>Crystals</subject><subject>Demineralizing</subject><subject>Electron microscopy</subject><subject>Graphene</subject><subject>Graphite</subject><subject>Graphitization</subject><subject>High resolution electron microscopy</subject><subject>Hydrocarbons</subject><subject>Immunoglobulins</subject><subject>Interlayers</subject><subject>Macerals</subject><subject>Metamorphism</subject><subject>Oxidation</subject><subject>Oxidoreductions</subject><subject>Quantum dots</subject><subject>Raman spectroscopy</subject><subject>Raw materials</subject><subject>Reflectance</subject><subject>Scanning electron microscopy</subject><subject>Temperature</subject><subject>Transmission electron microscopy</subject><subject>X-ray diffraction</subject><issn>2075-163X</issn><issn>2075-163X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpNkNtKAzEQhoMoWGqvfIGAl7KabPaUy1pqFSriCbxbZrMTNrXN1iR74Rv42KZWpHMzA_P9_xwIOefsSgjJrjfG8pTlLK-qIzJKWZknvBDvxwf1KZl4v2IxJBdVno7I91xrVMHTXtNZD2v6DPaDgm3pAyh0sI4dS0OH9CW4QYXBIZ114EAFdMYHo_6lyQ14bOnCwbZDi9Fgh-wctOs3dGpDF2UmIDWWPhnru8H8CrXBdXtGTnRkcfKXx-Ttdv46u0uWj4v72XSZqDSunGSMZ6VUTGEmWgQuG2CZLssiR8kbzgFlU0CBUheyyTKtm3hrARVrG6HyrBFjcrH33br-c0Af6lU_OBtH1mlRMiEYq9JIXe4p5XrvHep668wG3FfNWb37dn3wbfEDhIpzMQ</recordid><startdate>20220506</startdate><enddate>20220506</enddate><creator>Li, Ruiqing</creator><creator>Tang, Yuegang</creator><creator>Che, Qili</creator><creator>Ma, 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Min</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Coal Rank and Macerals on the Structure Characteristics of Coal-Based Graphene Materials from Anthracite in Qinshui Coalfield</atitle><jtitle>Minerals (Basel)</jtitle><date>2022-05-06</date><risdate>2022</risdate><volume>12</volume><issue>5</issue><spage>588</spage><pages>588-</pages><issn>2075-163X</issn><eissn>2075-163X</eissn><abstract>Thirteen raw coal samples from Qinshui coalfield were prepared to produce coal-based graphene, and the raw coal, coal-based graphite, and coal-based graphene sheets (GS) were characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy with energy dispersive spectrometer (SEM-EDS), and high-resolution transmission electron microscopy (HRTEM). The results show that the graphitization degree of coal-based graphite is positively linearly correlated with the reflectance of raw coal, has a low positive correlation with the content of inertinite, and has a low positive correlation with the content of vitrinite in raw coal. The crystallite width (La) and crystallite height (Lc) of coal-based graphite and graphene are positively linearly correlated with the reflectance of raw coal. La and Lc of coal-based graphite are distributed in 17.591–48.374 nm and 11.359–23.023 nm, respectively. After redox, La and Lc of coal-based graphene are distributed in 4.405 nm–6.243 nm and 0.804–1.144 nm, respectively. The defect degree (ID/IG) of coal-based graphene is higher than that of raw coal, demineralized coal, and coal-based graphite. The coal-based graphene is thin and transparent, and only contained carbon and oxygen. Combined with the parameters of XRD and HRTEM, it is calculated that the interlayer spacing (d002) of Qinshui-coal-based graphene is about 0.4007 nm and the number of layers (Nave) is about 5.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/min12050588</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Analytical methods Anthracite Carbon Chemical vapor deposition Coal Correlation Crystallites Crystals Demineralizing Electron microscopy Graphene Graphite Graphitization High resolution electron microscopy Hydrocarbons Immunoglobulins Interlayers Macerals Metamorphism Oxidation Oxidoreductions Quantum dots Raman spectroscopy Raw materials Reflectance Scanning electron microscopy Temperature Transmission electron microscopy X-ray diffraction |
| title | Effects of Coal Rank and Macerals on the Structure Characteristics of Coal-Based Graphene Materials from Anthracite in Qinshui Coalfield |
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