کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6615946 459630 2013 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Characteristic performance of SnO/Sn/Cu6Sn5 three-layer anode for Li-ion battery
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Characteristic performance of SnO/Sn/Cu6Sn5 three-layer anode for Li-ion battery
چکیده انگلیسی
To compare cyclic performances of different Sn based materials as anodes for Li ion battery and minimize the influence from processing conditions, the SnO/Sn/Cu6Sn5 three-layer film was prepared by a facile method of annealing the electrodeposited thick Sn film on Cu substrate at 200 °C in atmosphere for 48 h. Microstructure and morphology of the three-layer film were characterized by X-ray diffraction and SEM. Both the Sn film and three-layer film were assembled as anodes in Li-ion battery. Their electrochemical properties were studied by charge/discharge, cyclic voltammetry and ac impedance spectra. Compared with Sn anode, SnO/Sn/Cu6Sn5 three-layer anode shows much smaller SEI film, charge transfer and diffusion resistance. Capacities of SnO, Sn and Cu6Sn5 phases were obtained from analysis of charge/discharge curves. Among all three phases, Cu6Sn5 shows both the highest capacity and capacity retention.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 109, 30 October 2013, Pages 46-51
نویسندگان
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