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Strength of thin solid polymer electrolyte coatings and the coated carbon fibres

Leif Asp (Institutionen för tillämpad mekanik, Material- och beräkningsmekanik) ; Simon Leijonmarck ; Andrejs Pupurs ; Göran Lindbergh ; Janis Varna
20th International Conference on Composite Materials, Copenhagen Denmark (2015)
[Konferensbidrag, refereegranskat]

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.

Nyckelord: structrural battery

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Denna post skapades 2015-11-25. Senast ändrad 2017-02-14.
CPL Pubid: 226377


Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Material- och beräkningsmekanik (2005-2017)


Kompositmaterial och -teknik

Chalmers infrastruktur