Ternary polymer electrolytes containing pyrrolidinium-based polymeric ionic liquids for lithium batteries

被引：268

作者：

Appetecchi, G. B. ^{[1
]}

Kim, G. -T. ^{[1
]}

Montanina, M. ^{[1
]}

Carewska, M. ^{[1
]}

Marcilla, R. ^{[2
]}

Mecerreyes, D. ^{[2
]}

De Meatza, I. ^{[2
]}

机构：

[1] ENEA, IDROCOMB, Casaccia Res Ctr, I-00123 Rome, Italy

[2] CIDETEC, Ctr Tecnol Electroquim, Donostia San Sebastian 20009, Spain

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 11期

关键词：

Pyrrolidinium ionic liquids; Poly(diallyldimethylammonium); bis(trifluoromethanesulfonyl)imide; N-Butyl-N-methylpyrrolidinium; Polymer electrolytes; Lithium polymer batteries; SOLVENT-FREE; LIX MIXTURES; BIS(TRIFLUOROMETHANESULFONYL)IMIDE; CHALLENGES; STABILITY; VISCOSITY; BEHAVIOR; CATIONS;

D O I：

10.1016/j.jpowsour.2009.11.146

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 electrochemical properties of solvent-free, ternary polymer electrolytes based on a novel poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide polymeric ionic liquid (PIL) as polymer host and incorporating PYR14TFSI ionic liquid and LiTFSI salt are reported. The PIL-LiTFSI-PYR14TFSI electrolyte membranes were found to be chemically stable even after prolonged storage times in contact with lithium anode and thermally stable up to 300 degrees C. Particularly, the PIL-based electrolytes exhibited acceptable room temperature conductivity with wide electrochemical stability window, time-stable interfacial resistance values and good lithium stripping/plating performance. Preliminary battery tests have shown that Li/LiFePO4 solid-state cells are capable to deliver above 140mAh g(-1) at 40 degrees C with very good capacity retention up to medium rates. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：3668 / 3675

页数：8

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