کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9761807 | 1498429 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Tetrachloroethylene as new film-forming additive to propylene carbonate-based electrolytes for lithium ion batteries with graphitic anode
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Tetrachloroethylene (TCE) has been investigated as a new film-forming additive to propylene carbonate (PC)-based electrolytes for use in lithium ion batteries. Even in small additive amounts (3 vol.%) TCE was capable of preventing PC co-intercalation into graphite. The formation of a stable passivating film on the graphite surface is believed to be the reason for the improved cell performance. It is observed for the first time that the many particles with micrometer size were deposited on the graphite surface. EDX, IR and XPS results show that the film is probably composed of LiCl, ROCO2Li, Li2CO3, etc. In addition, the PC/TCE electrolyte has been proved to have a high oxidation stability (>4.5 V vs. Li/Li+) allowing the cycling of a LiMn2O4 cathode. TCE shows promising performance for use as an effective film-forming electrolyte additive in lithium ion batteries.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Ionics - Volume 176, Issues 1â2, 14 January 2005, Pages 53-56
Journal: Solid State Ionics - Volume 176, Issues 1â2, 14 January 2005, Pages 53-56
نویسندگان
Yongsheng Hu, Weihe Kong, Zhaoxiang Wang, Xuejie Huang, Liquan Chen,