کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1285303 | 1497914 | 2016 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ethyl 3,3,3-trifluoropropanoate as an additive to improve the cycling performance of LiMn2O4 cathode on lithium-ion batteries at elevated temperature
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
• TFPE improved cyclic stability of LiMn2O4/Li cells at elevated temperature.
• TFPE participated in the formation of SEI on the surface of electrode.
• The suppression of transition metal ion dissolution was due to TFPE.
Ethyl 3,3,3-trifluoropropanoate (TFPE) is an additive that extends the life of the LiMn2O4/Li cell. After 200 charge and discharge cycles at 55 °C, a LiMn2O4/Li cell increases the capacity retention by 13.2% (48.2% without additive versus 61.4% with additive) when 0.5 vol% TFPE is added to the electrolyte. Versus TFPE-free cells, the additive inhibits the formation of HF induced erosion of the LiMn2O4 electrode and reduces the interfacial impedance by 61.2% (drops to 139 from 227 Ohm).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 318, 30 June 2016, Pages 264–269
Journal: Journal of Power Sources - Volume 318, 30 June 2016, Pages 264–269
نویسندگان
Tao Huang, Xiangzhen Zheng, Maoxiang Wu, Wenguo Wang, Ying Pan, Guihuang Fang,