کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1618233 | 1005702 | 2010 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Synthesis, structural and electrochemical properties of LiNi0.79Co0.1Mn0.1Cr0.01O2 via fast co-precipitation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
ⶠTEM and EDAX exhibit that Cr is successfully incorporating into LiNi0.8Co0.1Mn0.1O2 material. ⶠX-ray diffraction (XRD) and Rietveld refinement show that the cation mixing is reduced by Cr substitution. ⶠCyclic voltammerty (CV) indicate that the Cr substitution could decrease the Jahn-Teller distortion, and improve the reversibility of Li+ ions during intercalating/deintercalating in LiNi0.79Co0.1Mn0.1Cr0.01O2 compound. ⶠEIS reveals that Cr substitution has an effect on restraining the charge transfer impedance of cathode ⶠElectrochemical tests show that the Cr substitution sample exhibits improved discharge capacity, initial coulombic efficiency, rate ability and cycling property, compared to that of pristine sample.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 507, Issue 1, 24 September 2010, Pages 172-177
Journal: Journal of Alloys and Compounds - Volume 507, Issue 1, 24 September 2010, Pages 172-177
نویسندگان
Ling-jun Li, Xin-hai Li, Zhi-xing Wang, Hua-jun Guo, Peng Yue, Wei Chen, Ling Wu,