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CONTACT ION-PAIR FORMATION AND ETHER OXYGEN COORDINATION IN THE POLYMER ELECTROLYTES M[N(CF3SO2)(2)](2)PEO(N) FOR M=MG, CA, SR AND BA
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry.
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1995 (English)In: Polymer, ISSN 0032-3861, E-ISSN 1873-2291, Vol. 36, no 23, 4371-4378 p.Article in journal (Refereed) Published
Abstract [en]

The polymer electrolytes M[N(CF3SO2)(2)](2)PEO(n) for M = Mg, Ca, Sr and Ba have been investigated using infra-red spectroscopy, differential scanning calorimetry and impedance spectroscopy. The effects of varying concentration (n = 6-40) and temperature (25-95 degrees C) on the contact ion pair formation and cation coordination have been studied. Contact ion pairs are only found for the most concentrated samples (n < 9). Ion pairs occur with two types of structures: one type is found far samples containing Mg2+ and the other for samples with Ca2+, Sr2+ and Ba2+. The conductivities of the samples are discussed in terms of radii and coordination numbers of the cations.

Place, publisher, year, edition, pages
1995. Vol. 36, no 23, 4371-4378 p.
Keyword [en]
POLYMER ELECTROLYTES, CONTACT ION PAIR FORMATION, CATION COORDINATION
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-228999DOI: 10.1016/0032-3861(95)96841-UISI: A1995TF78100001OAI: oai:DiVA.org:uu-228999DiVA: diva2:735342
Available from: 2014-07-25 Created: 2014-07-25 Last updated: 2017-12-05

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HERMANSSON, KERSTI

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