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Strength of thin solid polymer electrolyte coatings and the coated carbon fibres
RISE, Swerea, SICOMP. KTH Royal Institute of Technology, Sweden.
RISE, Swerea, SICOMP. Luleå University of Technology, Sweden.
RISE, Swerea, SICOMP. Chalmers University of Technology, Sweden.
2015 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2015Conference paper, Published paper (Refereed)
Abstract [en]

As a route to increase the efficiency of electric vehicles, weight reductions through composite building materials are constantly being introduced. To further aid this effort focus has been put on structural batteries, where the composite is multifunctional serving both as energy storing as well as load bearing unit. In an attempt to reduce the high ionic resistances solid polymer electrolytes introduces, carbon fibres have been individually coated with polymeric layers ranging from <500 nm to >3 µm in thickness. This study investigates the feasibility of using such coatings in structural applications with respect to mechanical load cycling. The coated fibres were subjected to cyclic load up to approximately 1 % strain for up to 70,000 cycles. The polymer coatings were found not to be visibly affected by the prolonged mechanical fatigue. No cracks were observed in the coatings which makes the coating technique promising for future structural battery applications. 

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
Carbon fibre, Electrocoating, Fatigue, Mechanical properties, Structural battery
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42234Scopus ID: 2-s2.0-85053137329OAI: oai:DiVA.org:ri-42234DiVA, id: diva2:1379562
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Note

Funding details: 37712-1; Funding details: 25098 14-41; Funding text 1: We thank the Swedish Energy Agency, project 37712-1 and the Swerea SK fund, project 25098 14-41, for financial support. Project student Hana Kriaa at Luleå University of Technology is acknowledged for experimental work. Lubomir Novotny and Dr. Johanne Mouzon are greatly acknowledged for assistance with SEM

Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2019-12-17Bibliographically approved

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