Multifunctional performance of a carbon fiber UD lamina electrode for structural batteries
Journal article, 2018

In electric transportation there is an inherent need to store electrical energy while maintaining a low vehicle weight. One way to decrease the weight of the structure is to use composite materials. However, the electrical energy storage in today's systems contributes to a large portion of the total weight of a vehicle. Structural batteries have been suggested as a possible route to reduce this weight. A structural battery is a material that carries mechanical loads and simultaneously stores electrical energy and can be realized using carbon fibers both as a primary load carrying material and as an active battery electrode. However, as yet, no proof of a system-wide improvement by using such structural batteries has been demonstrated. In this study we make a structural battery composite lamina from carbon fibers with a structural battery electrolyte matrix, and we show that this material provides system weight benefits. The results show that it is possible to make weight reductions in electric vehicles by using structural batteries.


Niklas Ihrner

Royal Institute of Technology (KTH)

Mats Johansson

Royal Institute of Technology (KTH)

Wilhelm Johannisson

Royal Institute of Technology (KTH)

Dan Zenkert

Royal Institute of Technology (KTH)

David Carlstedt

Chalmers, Industrial and Materials Science, Material and Computational Mechanics

Leif Asp

Chalmers, Industrial and Materials Science, Material and Computational Mechanics

Fabian Sieland

Padernborn University

Composites Science and Technology

0266-3538 (ISSN)

Vol. 168 81-87

Damage Tolerance and Durability of Structural Power Composites

US Air Force Office of Strategic Research (AFOSR) (FA9550-17-1-0338), 2017-09-30 -- 2020-09-29.

Structural pOweR CompositEs foR futurE civil aiRcraft (SORCERER)

European Commission (EC) (EC/H2020/738085), 2017-02-01 -- 2020-02-28.

Subject Categories

Production Engineering, Human Work Science and Ergonomics

Polymer Technologies

Vehicle Engineering

Driving Forces

Sustainable development

Innovation and entrepreneurship

Areas of Advance


Materials Science


Chalmers Materials Analysis Laboratory



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