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Analysis of carbon fiber composite electrode
KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.
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2015 (English)In: ICCM International Conferences on Composite Materials, International Committee on Composite Materials , 2015Conference paper, Published paper (Refereed)
Abstract [en]

In this article a novel energy-storing composite electrode is investigated with regards to its mechanical and electrochemical properties. This composite electrode consists of carbon fibers, which provide both the mechanical reinforcement and the negative electrode in the battery cell. Also, this carbon fiber composite electrode consists of a polymer matrix that can conduct lithium ions, in order to simultaneously act as the electrolyte in the battery cell. Electrochemical tests were performed on the manufactured composite electrode and show extremely promising results for the battery performance. Furthermore, mechanical tests show that the composite electrode has acceptable mechanical properties for structural use. It is shown that the internal distances in the composite are large, and volume fraction of fibers is low. This is not only significantly limiting the mechanical properties of the composite, but also the electrochemical properties. Overall, the carbon fiber composite electrode is found to have suitable characteristics for further research, where many further research topics are found in order to improve and characterize the composite further.

Place, publisher, year, edition, pages
International Committee on Composite Materials , 2015.
Keywords [en]
Carbon fibers, Composite battery, Energy storage, Ion conductivity, Lithium ion, Multifunctional material
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42235Scopus ID: 2-s2.0-85053128541OAI: oai:DiVA.org:ri-42235DiVA, id: diva2:1379558
Conference
20th International Conference on Composite Materials, ICCM 2015, 19 July 2015 through 24 July 2015
Note

Funding details: 37712-1; Funding text 1: Firstly, we would like to thank Eric Jacques for the excellent work in carbon fiber characterization, makingitshesrearchopssible. We would also like to thank all colleagues within the multifunctional battery composite group; Johan Hagberg, Mats Johansson, Johanna Xu, Janis Varna, Andrejs Pupurs, and Fabian Sieland, as well as all colleagues at the Department of Aeronautical and Vehicle Engineering. We thank the Swedish Energy Agency, project 37712-1, for financial support.

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

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