全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电化学  2011 

含FEC电解液的锂离子电池低温性能研究

, PP. 63-66

Keywords: 锂离子电池,低温性能,磷酸铁锂,氟代碳酸乙烯酯

Full-Text   Cite this paper   Add to My Lib

Abstract:

研究含FEC溶剂电解液(FEC+EMC,EC,PC)的低温性能及其与磷酸铁锂正极或中间相碳微球(MCMB)负极的匹配.该电解液具有较高的低温电导率,FEC可在1.6V与负极反应成膜,有效地提高负极稳定性.红外测试发现,FEC可抑制其它电解液溶剂在负极成膜过程中的分解,在常温(20℃)和低温(-20℃)下形成的SEI膜阻抗均较低.电化学测试表明,以该电解液装配的锂离子电池(电极)具有较高的低温放电容量和倍率性能.

References

[1]  Xu Jie(许杰),Yao Wan-hao(姚万浩),Yao Yi-wen(姚宜稳),et al.Effect of fluoroethylene carbonate addi-tive on the performance of lithium ion battery[J].ActaPhys-Chim Sin(物理化学学报),2009,25(2):201-206.
[2]  Profatilova I A,Kim S S,Choi N S.Enhanced thermalproperties of the solid electrolyte interphase formed ongraphite in an electrolyte with fluoroethylene carbonate[J].Electrochimica Acta,2009,54(19):4445-4450.
[3]  Ryou M H,Han G B,Lee Y M,et al.Effect of fluoroeth-ylene carbonate on high temperature capacity retentionof LiMn2O4/graphite Li-ion cells[J].ElectrochimicaActa,2010,55(6):2073-2077.
[4]  Aurbach D,Gamolsky K,Markovsky B,et al.On the useof vinylene carbonate(VC)as an additive to electrolytesolutions for Li-ion batteries[J].Electrochim Acta,2002,47(9):1423-1439.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133