کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1289220 | 973292 | 2010 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Low-temperature behavior of graphite–tin composite anodes for Li-ion batteries
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Low-temperature behavior of graphite–tin composite anodes for Li-ion batteries Low-temperature behavior of graphite–tin composite anodes for Li-ion batteries](/preview/png/1289220.png)
چکیده انگلیسی
The challenge of increasing low-temperature performances of anodes for Li-ion batteries is faced by preparing graphite–tin composite electrodes. The anodes are prepared by mixing partially oxidized graphite with nanometric Sn powder or by coating the oxidized graphite electrode with a thin Sn layer. Long-term cycling stability and intercalation/deintercalation performances of the composite anodes in the temperature range 20 °C to −30 °C are evaluated. Kinetics is investigated by cyclic voltammetry and electrochemical impedance spectroscopy, in the attempt to explain the role of Sn in reducing the overall electrode polarization at low temperature. Two possible mechanisms of action for bulk metal powder and surface metal layer are proposed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 195, Issue 20, 15 October 2010, Pages 7090–7097
Journal: Journal of Power Sources - Volume 195, Issue 20, 15 October 2010, Pages 7090–7097
نویسندگان
F. Nobili, M. Mancini, S. Dsoke, R. Tossici, R. Marassi,