کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10624769 | 989606 | 2015 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Advanced charge performance of pristine Li4Ti5O12 spinel for power lithium-ion battery
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Intense research works had been devoted worldwide to the improvement of electrons conductivity of Li4Ti5O12 spinel to get better power performances. In this study, our experimental results revealed that pristine Li4Ti5O12 spinel possessed excellent power charge performance. Three charge-discharge modes were employed to take advantage of its outstanding power charge capacity. The power capacity of Li4Ti5O12 spinel was increased about 13 times at high current density by using an appropriate working mode. Even at 30C, Li4Ti5O12 could keep 90% of the reversible capacity at 0.5C in the improved mode, whereas it was only 7% in the ordinary mode. The corresponding improvement mechanism of different working modes was demonstrated. Our results suggested that designing appropriate working modes for electrode materials according to their inherent characteristics would be a promising way to achieve advanced performance in the field of lithium-ion battery.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 41, Issue 3, Part A, April 2015, Pages 3869-3874
Journal: Ceramics International - Volume 41, Issue 3, Part A, April 2015, Pages 3869-3874
نویسندگان
Hao Ge, Ying Song, Hua Song, Hui Tian, Xi-Ming Song, Ning Li, Shuyao Wu, Daliang Liu, Xiaoqiang Gao, Xicheng Shi,