کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6606020 | 459522 | 2016 | 28 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of Trace Al Surface Doping on the Structure, Surface Chemistry and Low Temperature Performance of LiNi0.5Co0.2Mn0.3O2 Cathode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of Trace Al Surface Doping on the Structure, Surface Chemistry and Low Temperature Performance of LiNi0.5Co0.2Mn0.3O2 Cathode Effect of Trace Al Surface Doping on the Structure, Surface Chemistry and Low Temperature Performance of LiNi0.5Co0.2Mn0.3O2 Cathode](/preview/png/6606020.png)
چکیده انگلیسی
Effect of trace Al surface doping on the structure, surface chemistry and low temperature performance of LiNi0.5Co0.2Mn0.3O2 cathode is studied. Trace Al surface doping significantly promotes the low temperature performance of LiNi0.5Co0.2Mn0.3O2. At â20 °C, the discharge capacity of the bare LiNi0.5Co0.2Mn0.3O2 is 37.8 mAh gâ1 at 5C, while it increases to 60.5 mAh gâ1 after trace Al surface doping, nearly twice magnitude of the bare material. Via the X-ray diffraction, scanning electron microscope, energy dispersive spectroscopy and X-ray photoelectron spectroscopy analysis, it is confirmed that Al element has been successfully doped into the surface of LiNi0.5Co0.2Mn0.3O2. Surface-doped trace Al efficiently changes the lattice parameters, inhibits the resistance rise, accelerates lithium ion diffusion, and finally promotes the low temperature performance of LiNi0.5Co0.2Mn0.3O2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 212, 10 September 2016, Pages 399-407
Journal: Electrochimica Acta - Volume 212, 10 September 2016, Pages 399-407
نویسندگان
Guangyin Li, Zhanjun Zhang, Runa Wang, Zhenlei Huang, Zicheng Zuo, Henghui Zhou,