对流动催化剂法制备的平均直径为6nm的多壁纳米碳管(Multi-walled carbon nanotubes, MWNTs)进行纯化处理,提纯后的多壁纳米碳管利用透射电镜(TEM)表征和电化学储氢研究,同时对该纳米碳管电极进行了自放电实验.结果表明:多壁纳米碳管具有很高的电化学储氢容量(739mAh/g),但氢与多壁纳米碳管之间的作用力很微弱,氢很容易从多壁纳米碳管中逃逸出.另外,通过对多壁纳米碳管的气相储氢性能的测试,根据实验结果推测:纳米碳管电化学储氢和气相储氢的主要吸附机理相同,即都是物理吸附.
参考文献
[1] | 戴贵平,刘敏,王茂章,成会明.纳米碳管电化学储氢的研究进展[J].新型炭材料,2002(03):70-74. |
[2] | 刘治,陈晓红,宋怀河.一维碳纳米材料储氢机理及应用前景[J].新型炭材料,2002(02):73-76. |
[3] | 沈建其,何少龙,王新庆,王淼.单壁纳米碳管储氢机制研究[J].新型炭材料,2001(02):24-26,65. |
[4] | 毛宗强,徐才录,阎军,梁吉,孙公敏,魏秉庆,吴德海.碳纳米纤维储氢性能初步研究[J].新型炭材料,2000(01):64-67. |
[5] | A. C. Dillon;K. M. Jones;T. A. Bekkedahl;C. H. Kiang;D. S. Bethune;M. J. Heben .STORAGE OF HYDROGEN IN SINGLE-WALLED CARBON NANOTUBES[J].Nature,1997(6623):377-379. |
[6] | Liu C;Fan Y Y;Cheng H M et al.Hydrogen storage in single-walled carbon nanotubes at room temperature[J].Science,1999,286:1127-1129. |
[7] | Fan Y Y;Liao B;Wei Y L et al.Hydrogen uptake in vapor-grown carbon nanofibers[J].Carbon,1999,37:1649-1652. |
[8] | Y. Ye;C. C. Ahn;C. Wltham;B. Fultz;J. Liu;A. G. Rinzler;D. Colbert;K. A. Smith;R. E. Smalley .Hydrogen adsorption and cohesive energy of single-walled carbon nanotubes[J].Applied physics letters,1999(16):2307-2309. |
[9] | Chambers A;Park C;Baker R T K et al.Hydrogen storage in graphite nanofibers[J].Journal of Physical Chemistry B,1998,102:4253-4256. |
[10] | Nutzenadel C;Zuttel A;Chartouni D et al.Electrochemical storage of hydrogen in nanotubes materials[J].Electrochemical and Solid-State Letters,1999,2:30-32. |
[11] | N. Rajalakshmi;K. S. Dhathathreyan;A. Govindaraj;B. C. Satishkumar .Electrochemical investigation of single-walled carbon nanotubes for hydrogen storage[J].Electrochimica Acta,2000(27):4511-4515. |
[12] | M.Hirscher;M.Becher;M.Haluska;U.Dettlaff-Weglikowska;A.Quintel;G.S.Duesberg;Y.-M.Choi;P.Downes .Hydrogen storage in sonicated carbon materials[J].Applied physics, A. Materials science & processing,2001(2):129-132. |
[13] | M. Hirscher;M. Becher;M. Haluska .Hydrogen storage in carbon nanostructures[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2002(0):654-658. |
[14] | Gary G. Tibbetts;Gregory P. Meisner;Charles H. Olk .Hydrogen storage capacity of carbon nanotubes, filaments, and vapor-grown fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(15):2291-2301. |
[15] | 李峰,戴贵平,白朔,苏革,贺连龙,成会明.气相沉积生长单壁纳米碳管束[J].材料研究学报,2001(05):520-524. |
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%