کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
188568 | 459662 | 2012 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
In situ growth of Si nanowires on graphene sheets for Li-ion storage
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Si nanowires in graphene papers were successfully prepared by supercritical fluid–liquid–solid (SFLS) process, which showed high specific capacities and charge–discharge cycling stability as anode materials for Li-ion storage. The enhancement on capacity and cycling stability of the Si/graphene composite nanostructures was attributed to the presence of graphene papers in the hybrid samples that served as a highly conductive framework and absorption of volume changes of Si nanowires during the lithiation/delithiation process. This Si/graphene electrodes maintained reversible capacities of 1400 mAh g−1 for the 30th cycle at a current density of 420 mA g−1, which is much better as compared to that of pure Si nanowires.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 74, 15 July 2012, Pages 176–181
Journal: Electrochimica Acta - Volume 74, 15 July 2012, Pages 176–181
نویسندگان
Ziyang Lu, Jixin Zhu, Daohao Sim, Wenhui Shi, Yee Yan Tay, Jan Ma, Huey Hoon Hng, Qingyu Yan,