本文以脱油沥青的高附加值利用为研究目的,采用化学气相沉积和真空热处理相结合的方法,宏量制备得到粒度均一、高的石墨化程度和高的热稳定性石墨微球(Graphitic Spheres,GSs).通过SEM、HRTEM、XRD和TGA等测试手段对比碳微球和石墨碳球,高温热处理得到的碳球石墨化程度高,热稳定性好.在热动力作用下,无序结构的碳微球结构逐步向有序的石墨碳结构过渡,形成了石墨球.
参考文献
[1] | 查庆芳,张玉贞,巩春伟,刘国祥,吴明铂.催化裂化油浆溶剂抽提及其中间相沥青[J].炭素技术,2001(02):1-5. |
[2] | Weize Wu;Zhenping Zhu;Zhenyu Liu .Amorphous carbon nano-particles prepared by explosion of nitrated pitch[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(11):2034-2037. |
[3] | Ehrburger P;Preset N;Dziedzinl P .Active surface area of microporous carbons[J].Carbon,1992,30:1105-1109. |
[4] | Wang Y-G;Korai Y;Mochida I .Carbon disc of high density and strength prepared from synthetic pitch-derived mesecarbon microbeads[J].Carbon,1999,37:1049-1054. |
[5] | Wissler M .Graphite and carbon powders for electrochemical applications[J].Journal of Power Sources,2006,156:142-150. |
[6] | X. Wang;B. Xu;X. Liu .Synthesis of Fe-included onion-like Fullerenes by chemical vapor deposition[J].Diamond and Related Materials,2006(1):147-150. |
[7] | Brearley,AJ .Origin of graphitic carbon and pentlandite in matrix olivines in the Allende meteorite (see comments)[J].Science,1999(5432):1380-1382. |
[8] | 许并社,闫小琴,王晓敏,市野濑英喜,解思深.电弧放电中纳米洋葱状富勒烯生成机理的研究[J].材料热处理学报,2001(04):9-12. |
[9] | Jian-Ying Miao;Dennis W. Hwang;Che-Chen Chang;Sheng-Hsien Lin;K. V. Narasimhulu;Lian-Pin Hwang .Uniform carbon spheres of high purity prepared on kaolin by CCVD[J].Diamond and Related Materials,2003(8):1368-1372. |
[10] | Sivaram Arepalli;Pavel Nikolaev;Olga Gorelik;Victor G.Hadjiev;Williams Holmes;Bradley Files;Leonard Yowell .Protocol for the characterization of single-wall carbon nanotube material quality[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(8/9):1783-1791. |
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