Ionic conductivity and electrochemical stability of poly[oligo(ethylene glycol)oxalate]-lithium salt complexes

W. Xu; J. P. Belieres; Charles Angell

doi:10.1021/cm000694a

Ionic conductivity and electrochemical stability of poly[oligo(ethylene glycol)oxalate]-lithium salt complexes

W. Xu, J. P. Belieres, Charles Angell

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

A new series of highly conducting polymer electrolytes based on poly[oligo(ethylene glycol)oxalate], P(EG_nO) where n represents the number of repeating ethyleneoxy unit, has been prepared. The dielectric constant of the polymer host is higher than that of the pure poly(ethylene oxide) due to the existence of the two carbonyl groups in the repeating unit. A maximum conductivity of 5.9 × 10^-5 S cm^-1 at 25 °C was obtained for the complex of LiTFSI and P(EG₂₃O) with a molar salt concentration of [Li⁺]/[EO] = 1:16. The complexes also show good electrochemical stability up to 4.4 V versus Li⁺/Li.

Original language	English (US)
Pages (from-to)	575-580
Number of pages	6
Journal	Chemistry of Materials
Volume	13
Issue number	2
DOIs	https://doi.org/10.1021/cm000694a
State	Published - 2001

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Materials Chemistry

Access to Document

10.1021/cm000694a

Cite this

@article{d07e912f6a744890b5e621d2b7c23ca5,

title = "Ionic conductivity and electrochemical stability of poly[oligo(ethylene glycol)oxalate]-lithium salt complexes",

abstract = "A new series of highly conducting polymer electrolytes based on poly[oligo(ethylene glycol)oxalate], P(EGnO) where n represents the number of repeating ethyleneoxy unit, has been prepared. The dielectric constant of the polymer host is higher than that of the pure poly(ethylene oxide) due to the existence of the two carbonyl groups in the repeating unit. A maximum conductivity of 5.9 × 10-5 S cm-1 at 25 °C was obtained for the complex of LiTFSI and P(EG23O) with a molar salt concentration of [Li+]/[EO] = 1:16. The complexes also show good electrochemical stability up to 4.4 V versus Li+/Li.",

author = "W. Xu and Belieres, {J. P.} and Charles Angell",

year = "2001",

doi = "10.1021/cm000694a",

language = "English (US)",

volume = "13",

pages = "575--580",

journal = "Chemistry of Materials",

issn = "0897-4756",

publisher = "American Chemical Society",

number = "2",

}

TY - JOUR

T1 - Ionic conductivity and electrochemical stability of poly[oligo(ethylene glycol)oxalate]-lithium salt complexes

AU - Xu, W.

AU - Belieres, J. P.

AU - Angell, Charles

PY - 2001

Y1 - 2001

N2 - A new series of highly conducting polymer electrolytes based on poly[oligo(ethylene glycol)oxalate], P(EGnO) where n represents the number of repeating ethyleneoxy unit, has been prepared. The dielectric constant of the polymer host is higher than that of the pure poly(ethylene oxide) due to the existence of the two carbonyl groups in the repeating unit. A maximum conductivity of 5.9 × 10-5 S cm-1 at 25 °C was obtained for the complex of LiTFSI and P(EG23O) with a molar salt concentration of [Li+]/[EO] = 1:16. The complexes also show good electrochemical stability up to 4.4 V versus Li+/Li.

AB - A new series of highly conducting polymer electrolytes based on poly[oligo(ethylene glycol)oxalate], P(EGnO) where n represents the number of repeating ethyleneoxy unit, has been prepared. The dielectric constant of the polymer host is higher than that of the pure poly(ethylene oxide) due to the existence of the two carbonyl groups in the repeating unit. A maximum conductivity of 5.9 × 10-5 S cm-1 at 25 °C was obtained for the complex of LiTFSI and P(EG23O) with a molar salt concentration of [Li+]/[EO] = 1:16. The complexes also show good electrochemical stability up to 4.4 V versus Li+/Li.

UR - http://www.scopus.com/inward/record.url?scp=0035093347&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035093347&partnerID=8YFLogxK

U2 - 10.1021/cm000694a

DO - 10.1021/cm000694a

M3 - Article

AN - SCOPUS:0035093347

SN - 0897-4756

VL - 13

SP - 575

EP - 580

JO - Chemistry of Materials

JF - Chemistry of Materials

IS - 2

ER -

Ionic conductivity and electrochemical stability of poly[oligo(ethylene glycol)oxalate]-lithium salt complexes

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this