在活性炭电极材料中,用多壁纳米碳管作导电添加剂替代传统的炭黑、石墨粉等可较大地改善电极材料的性能.当添加质量分数为5 %的多壁纳米碳管时,活性炭电化学电容器的比电容量由添加同量炭黑的130 F/g增加到185 F/g,同时提高了活性炭电容器的频率响应性能.基于该研究结果试制出不同规格的添加多壁纳米碳管的活性炭电化学电容器样品,结果表明添加多壁纳米碳管的活性炭电极材料具有良好的电化学电容特性.
参考文献
| [1] | CONWAY B E.Electrochemical Supercapacitors-Scientific Fundamentals and Technological Applications[M].New York:Kluwer Academic/Plenum,1999 |
| [2] | R. Kotz;M. Carlen .Principles and applications of electrochemical capacitors[J].Electrochimica Acta,2000(15/16):2483-2498. |
| [3] | 王茂章.多孔炭材料在电双层电容中的应用[J].新型炭材料,1995(01):1-5. |
| [4] | 戴贵平,刘敏,王茂章,成会明.电化学电容器中炭电极的研究及开发I. 电化学电容器[J].新型炭材料,2002(01):71-79. |
| [5] | 刘辰光,刘敏,王茂章,成会明.电化学电容器中炭电极的研究及开发Ⅱ.炭电极[J].新型炭材料,2002(02):64-72. |
| [6] | 何月德,刘洪波,张红波.活化剂用量对无烟煤基高比表面积活性炭电容特性的影响[J].新型炭材料,2002(04):18-22. |
| [7] | Inoue Y .Electric double layer capacitor and its energy storage technology[J].Functional Materials,1999,19:50-58. |
| [8] | An KH.;Park YS.;Choi YC.;Lee SM.;Chung DC.;Bae DJ.;Lim SC. Lee YH.;Kim WS. .Supercapacitors using single-walled carbon nanotube electrodes[J].Advanced Materials,2001(7):497-500. |
| [9] | Dai H J;Wong E W;Lieber C M et al.Probing electrical transport in nanomaterials:conductivity of individual carbon nanotubes[J].Science,1996,272:523-526. |
| [10] | Ebbesen T W;Lezec H J;Hiura H et al.Electrical conductivity of individual carbon nanotubes[J].Nature,1996,382:54-56. |
| [11] | ENDO M;Kim Y A;Hayashi T et al.Vapor-grown carbon fiber(VGCFs) basic properties and their battery application[J].Carbon,2001,39:1287-1297. |
| [12] | 刘操,邓正华,万国祥.碳纳米管/活性炭复合电极的电容特性[J].电源技术,2002(01):36-38. |
| [13] | Fan YY.;Cheng HM.;Su G.;Yu YD.;Shen ZH.;Li F. .Preparation, morphology, and microstructure of diameter-controllable vapor-grown carbon nanofibers[J].Journal of Materials Research,1998(8):2342-2346. |
| [14] | P.X.Hou;S.Bai;Q.H.Yang;C.Liu;H.M.Cheng .Multi-step purification of carbon nanotubes[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(1):81-85. |
| [15] | Kim C .Electrochemical characterization of electrospun activated carbon nanofibres as an electrode in supercapacitors[J].Journal of Power Sources,2005,142:382-388. |
| [16] | Elzbieta Frackowiak;Francois Beguin .Carbon materials for the electrochemical storage of energy in capacitors[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(6):937-950. |
| [17] | 梁逵,陈艾,冯哲圣,叶芝祥.碳纳米管电极超大容量离子电容器交流阻抗特性[J].物理化学学报,2002(04):381-384. |
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