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Solid Polymer Lithium-ion Conducting Electrolytes for Structural Batteries
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. , 36 p.
Series
Trita-CHE-Report, ISSN 1654-1081 ; 2012:61
National Category
Other Chemistry Topics
Identifiers
URN: urn:nbn:se:kth:diva-107182ISBN: 978-91-7501-546-0 (print)OAI: oai:DiVA.org:kth-107182DiVA: diva2:575133
Presentation
2012-12-07, K2, Teknikringen 28, KTH, Stockholm, 13:00 (Swedish)
Opponent
Supervisors
Note

QC 20121207

Available from: 2012-12-07 Created: 2012-12-07 Last updated: 2012-12-10Bibliographically approved
List of papers
1. Photoinduced free radical polymerization of thermoset lithium battery electrolytes
Open this publication in new window or tab >>Photoinduced free radical polymerization of thermoset lithium battery electrolytes
Show others...
2011 (English)In: European Polymer Journal, ISSN 0014-3057, E-ISSN 1873-1945, Vol. 47, no 12, 2372-2378 p.Article in journal (Refereed) Published
Abstract [en]

Series of solid poly(ethylene oxide)-methacrylate electrolytes have successfully been manufactured with an aim to serve in a multifunctional battery both as mechanical load carrier as well as lithium ion conductor. The electrolytes produced, in a solvent free process with no post cure swelling, hold a broad range of both mechanical as well as ion conducting properties. The monomer and Li-salt mixtures have been irradiated with UV light, initiating free radical polymerization to obtain solid smooth, homogenous specimens to be utilized as ion conducting electrolytes. The storage modulus at 20 degrees C is ranging from 1 MPa to almost 2 GPa. The conducting ability of the electrolyte ranges from 5.8 x 10(-10) up to 1.5 x 10(-6) S/cm. These large variations in both mechanical properties as well as ionic conductivity are discussed, but also the versatility within the production technique is emphasized.

Keyword
Solid polymer electrolyte (SPE), Lithium ion, Mechanical properties, Ionic conductivity, Multifunctional batteries, Structural batteries
National Category
Polymer Technologies
Identifiers
urn:nbn:se:kth:diva-63262 (URN)10.1016/j.eurpolymj.2011.09.018 (DOI)000298204500021 ()2-s2.0-81155126133 (Scopus ID)
Funder
StandUpSwedish Foundation for Strategic Research , RMA08-0002
Note

QC 20120125

Available from: 2012-01-25 Created: 2012-01-23 Last updated: 2017-12-08Bibliographically approved
2. Effect of Lithium Salt Content on the Performance of Thermoset Lithium Battery Electrolytes
Open this publication in new window or tab >>Effect of Lithium Salt Content on the Performance of Thermoset Lithium Battery Electrolytes
2012 (English)In: American Chemical Society Symposium Series (ACS), ISSN 0097-6156, E-ISSN 1947-5918, 55-65 p.Article in journal (Refereed) Published
Abstract [en]

Series of solid poly(ethylene glycol)-methacrylate electrolytes have successfully been manufactured in a solvent free process with an aim to serve in a multifunctional battery, both as mechanical load carrier as well as lithium ion conductor. The electrolytes have been studied with respect to mechanical and electrical properties. The thermoset series differs with respect to crosslink density and glass transition temperature (Tg). The results show that the conductivity increases, with salt content exhibiting similar trends, although at overall levels that differ if measured above or below the Tg of the system. The Tg transition on the other hand is more affected by the salt content for loosely crosslinked thermosets. The coordination of a lithium salt to the PEG-segments play a more important role for the physical state of the material when there are less restrictions due to crosslinking of the PEG-chains. The overall performance of the electrolyte at different temperatures will thus be more affected.

National Category
Polymer Technologies
Identifiers
urn:nbn:se:kth:diva-107279 (URN)10.1021/bk-2012-1096.ch004 (DOI)2-s2.0-84905577275 (Scopus ID)
Note

QC 20121210

Available from: 2012-12-10 Created: 2012-12-10 Last updated: 2017-12-07Bibliographically approved
3. Thiol-ene Systems in Lithium Ion Conducting Thermoset Electrolytes
Open this publication in new window or tab >>Thiol-ene Systems in Lithium Ion Conducting Thermoset Electrolytes
(English)Manuscript (preprint) (Other academic)
National Category
Polymer Technologies
Identifiers
urn:nbn:se:kth:diva-107280 (URN)
Note

QS 20121210

Available from: 2012-12-10 Created: 2012-12-10 Last updated: 2012-12-10Bibliographically approved

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