کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1289067 973285 2010 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Preparation of dispersible double-walled carbon nanotubes and application as catalyst support in fuel cells
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
پیش نمایش صفحه اول مقاله
Preparation of dispersible double-walled carbon nanotubes and application as catalyst support in fuel cells
چکیده انگلیسی

Dispersion of double-walled carbon nanotubes (DWCNTs) in ethylene glycol (EG) medium by a simple ultrasonication method is investigated. Excellent dispersion of DWCNTs in EG without addition of a surfactant is found. Surface structure and crystallinity of the DWCNTs undergo little change. The dispersion state of DWCNTs is found to be very important for deposition of Pt nanoparticles on them. The Pt particles prepared in the homogenous dispersion system has a small size and uniform distribution. As a result, the electrochemical activity of the Pt catalyst is much higher than that prepared in the nondispersible system. In terms of the good dispersion in EG medium achieved by a simple method, the DWCNT solutions could also be widely used in energy, biology, medicine and other fields.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 195, Issue 8, 15 April 2010, Pages 2143–2148
نویسندگان
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