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High-performance solid polymer electrolytes for lithium batteries operational at ambient temperature
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
2015 (English)In: Journal of Power Sources, ISSN 0378-7753, E-ISSN 1873-2755, Vol. 298, 166-170 p.Article in journal (Refereed) Published
Abstract [en]

Incorporation of carbonate repeating units in a poly(epsilon-caprolactone) (PCL) backbone used as a host material in solid polymer electrolytes is found to not only suppress crystallinity in the polyester material, but also give higher ionic conductivity in a wide temperature range exceeding the melting point of PCL crystallites. Combined with high cation transference numbers, this electrolyte material has sufficient lithium transport properties to be used in battery cells that are operational at temperatures down to below 23 degrees C, thus clearly demonstrating the potential of using non-polyether electrolytes in high-performance all-solid lithium polymer batteries.

Place, publisher, year, edition, pages
2015. Vol. 298, 166-170 p.
Keyword [en]
Polymer electrolytes, Polyester, Polycarbonate, Lithium batteries, Ionic conductivity
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-265658DOI: 10.1016/j.jpowsour.2015.08.035ISI: 000362146800020OAI: oai:DiVA.org:uu-265658DiVA: diva2:867615
Funder
Swedish Research Council, 2012-4681
Available from: 2015-11-05 Created: 2015-11-02 Last updated: 2017-12-01Bibliographically approved

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Mindemark, JonasBrandell, Daniel

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