将苯胺单体引入太西无烟煤的微纳米孔隙及芳香层片中,原位聚合制备出太西无烟煤/聚苯胺复合材料,其电导率稳定在101 S·m-1数量级.分别用SEM和FTIR对其微观形态和化学结构进行了表征,用电阻仪和电化学工作站对其电化学性能进行了表征,结果发现:无烟煤/聚苯胺复合材料表面附着大量微纳米级聚苯胺小颗粒.无烟煤与聚苯胺间发生了较强的化学键合和氢键结合.当无烟煤与苯胺质量比为1/2时,得到的复合材料电导率最高,为72.5 S·m-1,单极比电容为130.72 F/g,且兼有法拉第准电容和双电层电容特征.
参考文献
| [1] | 葛岭梅.洁净煤技术概论[M].西安:陕西科学技术出版社,1997:18. |
| [2] | 钟蕴英;关梦嫔;崔开仁.煤化学[M].徐州:中国矿业大学出版社,1989:106. |
| [3] | 李晶,赖延清,李颉,刘业翔.超级电容器复合电极材料的研究进展[J].材料导报,2005(08):13-16. |
| [4] | Dhawale D S;Dubal D P;Jamadade V S et al.Fuzzy nanofibrous network of polyaniline electrode for supercapacitor application[J].Synthetic Metals,2010,160(5-6):519. |
| [5] | Ryu K S;Kim K M;Park N G et al.Symmetric redox supercapacitor with conducting polyaniline electrodes[J].Journal of Power Sources,2002,103(02):305. |
| [6] | Kim B C;Kwon J S;Ko J M et al.Preparation and enhanced stability of flexible supercapacitor prepared from Nafion/polyaniline nanofiber[J].Synthetic Metals,2010,160(1-2):94. |
| [7] | Yi Zhou;Zong-Yi Qin;Li Li;Yu Zhang;Yu-Ling Wei;Ling-Feng Wang;Mei-Fang Zhu .Polyaniline/multi-walled carbon nanotube composites with core-shell structures as supercapacitor electrode materials[J].Electrochimica Acta,2010(12):3904-3908. |
| [8] | J. Jang;J. Bae;M. Choi .Fabrication and characterization of polyaniline coated carbon nanofiber for supercapacitor[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(13):2730-2736. |
| [9] | 汪晓芹,周安宁,李侃社,曲建林,葛岭梅.煤样类型对煤/聚苯胺复合材料导电率的影响[J].煤炭转化,2007(03):12-15. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%