Performance of lithium tetrafluorooxalatophosphate (LiFOP) electrolyte with propylene carbonate (PC)

被引：13

作者：

Zhou, Liu ^{[1
]}

Lucht, Brett L. ^{[1
]}

机构：

[1] Univ Rhode Isl, Dept Chem, Kingston, RI 02881 USA

来源：

JOURNAL OF POWER SOURCES | 2012年 / 205卷

关键词：

Lithium ion batteries; Electrolytes; Propylene carbonate; ION BATTERY ELECTROLYTE; TEMPERATURE PERFORMANCE; CHEMISTRY; LIBOB;

D O I：

10.1016/j.jpowsour.2012.01.067

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The cycling performance of LiPF4(C2O4) (LiFOP) electrolyte with propylene carbonate (PC) as a cosolvent is compared with LiPF6 electrolyte with ethylene carbonate (EC) as a cosolvent in the presence of different cathode materials, such as LiNi1/3Co1/3Mn1/3O2 and LiFePO4. The cycling performance of cells with LiFOP and PC is similar to cells with LiPF6 with EC at room temperature and superior at low temperature(-10 degrees C). After thermal abuse the room temperature performance of cells with LiFOP electrolyte and PC is worse than cells with LiPF6 and EC. A detailed analysis of the surface films on both the anode and the cathode via X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and Fourier transfer infrared spectroscopy (FT-IR) in the attenuated total reflection (ATR) mode was conducted to provide a better understanding of performance differences. (C) 2012 Elsevier B.V. All rights reserved.

引用

收藏

页码：439 / 448

页数：10

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