کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
180176 | 459372 | 2010 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Lithium storage in hollow spherical ZnFe2O4 as anode materials for lithium 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
Hollow microspheres composed of phase-pure ZnFe2O4 nanoparticles (hierarchically structured) have been prepared by hydrothermal reaction. The unique hollow spherical structure significantly increases the specific capacity and improves capacity retention of this material. The product of each phase transition during initial discharge (ZnFe2O4 ↔ Li0.5ZnFe2O4 ↔ Li2ZnFe2O4 → Li2O + Li–Zn + Fe) and their structural reversibility are recognized by X-ray diffraction and electrochemical characterization. The products of the deeply discharged (Li–Zn alloy and Fe) and recharged materials (Fe2O3) were clarified based on high resolution transmission electron microscopic technique and first-principle calculations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochemistry Communications - Volume 12, Issue 6, June 2010, Pages 847–850
Journal: Electrochemistry Communications - Volume 12, Issue 6, June 2010, Pages 847–850
نویسندگان
Xianwei Guo, Xia Lu, Xiangpeng Fang, Ya Mao, Zhaoxiang Wang, Liquan Chen, Xiaoxue Xu, Hong Yang, Yinong Liu,