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Realisation of structural battery composite materials
RISE, Swerea, SICOMP. Chalmers University of Technology, Sweden.
RISE, Swerea, SICOMP. KTH Royal Institute of Technology, Sweden.
RISE, Swerea, SICOMP.
KTH Royal Institute of Technology, Sweden.
2015 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2015Conference paper, Published paper (Refereed)
Abstract [en]

This paper introduces the concept of structural battery composite materials and their possible devices and the rationale for developing them. The paper presents an overview of the research performed in Sweden on a novel structural battery composite material. The research areas addressed include: carbon fibre electrodes, structural separators, multifunctional matrix materials, device architectures and material functionalization. Material characterization, fabrication and validation are also discussed. The paper focuses on a patented battery composite material technology. Here, carbon fibres are employed as combined negative battery electrodes and reinforcement, coated with a solid polymer electrolyte working simultaneously as electrolyte and separator with ability to transfer mechanical loads. The coated fibres are distributed in a conductive positive cathode material on an aluminium electron collector film. Efficient Li-ion transport between the electrodes is achieved by the solid polymer electrolyte coating being only a few hundred nanometres thick. Finally some outstanding scientific and engineering challenges are discussed. Such challenges, calling for further research are related to manufacture, development of new solid polymer electrolytes for improved multifunctionality and the lack of material models. 

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
Carbon fibres, Electrical properties, Functional composites, Hybrid composites, Mechanical properties
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42225Scopus ID: 2-s2.0-85041539931OAI: oai:DiVA.org:ri-42225DiVA, id: diva2:1379650
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Note

Funding text 1: This research has been funded by the Swedish Energy Agency, via the project “Structural batteries for efficient vehicles” (dnr. 2013-003641), and Vinnova, via the strategic innovation programme, LIGHTer, SRA1.

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

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