کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6611297 | 459569 | 2015 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fe2O3-reduced graphene oxide composites synthesized via microwave-assisted method for sodium ion batteries
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
Fe2O3-reduced graphene oxide (RGO) composites were successfully fabricated via a facile microwave-assisted reduction of graphite oxide in Fe2O3 precursor solution using a microwave system, and investigated as anode material for sodium ion batteries (SIBs). Their morphologies, structures and electrochemical performance were characterized by transmission electron microscopy, X-ray diffraction, Raman spectroscopy, cyclic voltammetry and electrochemical impedance spectroscopy, respectively. The results show that the RGO addition can enhance the electrochemical performance of Fe2O3-RGO composites. Fe2O3-RGO composite with 30 wt.% RGO exhibits a maximum reversible capacity of 289 mA h gâ1 at a current density of 50 mA gâ1 after 50 cycles and excellent rate performance due to the synergistic effect between Fe2O3 and RGO. The high capacity, good rate capability and excellent cycle performance of Fe2O3-RGO composites enable them a potential electrode material for SIBs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 166, 1 June 2015, Pages 12-16
Journal: Electrochimica Acta - Volume 166, 1 June 2015, Pages 12-16
نویسندگان
Xinjuan Liu, Taiqiang Chen, Haipeng Chu, Lengyuan Niu, Zhuo Sun, Likun Pan, Chang Q. Sun,