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Strength of thin solid polymer electrolyte coatings and the coated carbon fibres
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH).
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. © 2015 International Committee on Composite Materials. All rights reserved.

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
Carbon fibre, Electrocoating, Fatigue, Mechanical properties, Structural battery
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-236907Scopus ID: 2-s2.0-85053137329OAI: oai:DiVA.org:kth-236907DiVA, id: diva2:1269888
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Funder
Swedish Energy Agency, 37712-1
Note

QC 20181211

Available from: 2018-12-11 Created: 2018-12-11 Last updated: 2018-12-11Bibliographically approved

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Leijonmarck, Simon

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