کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1625748 | 1516433 | 2007 | 5 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Low temperature solvothermal synthesis of nanosized NiSb as a Li-ion battery anode material Low temperature solvothermal synthesis of nanosized NiSb as a Li-ion battery anode material](/preview/png/1625748.png)
Nanosized intermetallic compound NiSb was successfully synthesized by a solvothermal route and studied as a promising anode material for secondary lithium-ion batteries. The as-prepared NiSb powder was characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and field emission scanning electron microscope (FESEM). The electrochemical performance of the nanosized NiSb electrode was investigated by constant current charge and discharge cycling and electrochemical impedance spectroscopy (EIS). It was found that the nanosized NiSb shows a higher initial capacity compared to microsized one prepared by a levitation-melting/ball-milling route due to larger specific surface area of the nanomaterial. The nanosized NiSb shows a rapid capacity fade due to the pulverization and exfoliation of active material caused by severe electrochemical grinding upon long-term cycling.
Journal: Journal of Alloys and Compounds - Volume 441, Issues 1–2, 30 August 2007, Pages 231–235