کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1287221 | 1498039 | 2006 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Supercapacitors using carbon nanotubes films by electrophoretic deposition
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
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چکیده انگلیسی
Multi-walled carbon nanotube (MWNT) thin films have been fabricated by electrophoretic deposition technique in this study. The supercapacitors built from such thin film electrodes have exhibited near-ideal rectangular cyclic voltammograms even at a scan rate as high as 1000Â mVÂ sâ1 and a high specific power density over 20Â kWÂ kgâ1. More importantly, the supercapacitors showed superior frequency response, with a frequency 'knee' at about 7560Â Hz, which is more than 70 times higher than the highest 'knee' frequency (100Â Hz) so far reported for such supercapacitors. Our study also demonstrated that these carbon nanotube thin films can serve as a coating layer over ordinary current collectors to drastically enhance the electrode performance, indicating the huge potential in supercapacitor and battery manufacturing. Finally, it is clear that electrophoretic deposition is a promising technique for massive fabrication of carbon nanotube electrodes for various electronic devices.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 160, Issue 2, 6 October 2006, Pages 1487-1494
Journal: Journal of Power Sources - Volume 160, Issue 2, 6 October 2006, Pages 1487-1494
نویسندگان
Chunsheng Du, Ning Pan,