کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
186564 | 459617 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The investigation of LiCo1-xSbxO2 as a promising cathode material 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
The LiCo1-xSbxO2 (0 < x < 1) materials were prepared for the first time. Comparing with parent LiCoO2 sample, they show improved cycleability under higher upper limit potential, better rate capability and thermal stability. XRD, SEM and particle size analysis indicate that the introduction of Sb during preparation effectively suppress the particle growth and thus the “doping” phase shows reduced particle size. Moreover, XPS measurements tell that the added Sb is enriched in the layer near the particle surface. According to these observations, it is reasonable to believe that the mechanism of the performance improvement is attributed to some coating effect for LiCo1-xSbxO2 materials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 121, 1 March 2014, Pages 301–306
Journal: Electrochimica Acta - Volume 121, 1 March 2014, Pages 301–306
نویسندگان
Jin-Peng Yu, Zeng-Hui Han, Xiao-Hong Hu, Hui Zhan, Yun-Hong Zhou, Xing-Jiang Liu,