کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7707219 | 1497315 | 2018 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Chitosan-mediated Co-Ce-B nanoparticles for catalyzing the hydrolysis of sodium borohydride
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Highly dispersed Co-Ce-B nanoparticles supported on chitosan-derived carbon (Co-Ce-B/Chi-C) were synthesized through chemical reduction and carbonization. The morphology and microstructure of the Co-Ce-B/Chi-C nanocomposite were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Brunauer-Emmett-Teller adsorption analysis. This nanocomposite had uniform morphology and large surface area, and it showed high catalytic activity for NaBH4 hydrolysis and good cycle stability. Compared with unsupported Co-Ce-B particles, this nanocomposite showed greatly increased catalytic activity for NaBH4 hydrolysis. A remarkably high hydrogen generation rate of 4760 mLâ1 minâ1 gâ1 at 30 °C was achieved with low activation energy of 33.1 kJ molâ1. These results indicate that the Co-Ce-B/Chi-C nanocomposite is a promising catalyst for on-demand hydrogen generation via NaBH4 hydrolysis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 43, Issue 10, 8 March 2018, Pages 4912-4921
Journal: International Journal of Hydrogen Energy - Volume 43, Issue 10, 8 March 2018, Pages 4912-4921
نویسندگان
Yongjin Zou, Ying Yin, Yubo Gao, Cuili Xiang, Hailiang Chu, Shujun Qiu, Erhu Yan, Fen Xu, Lixian Sun,