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A screen-printing method for manufacturing of current collectors for structural batteries
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics.ORCID iD: 0000-0002-1194-9479
Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg, SE-412 96, Sweden.
AIRBUS Operations GmbH, Kreetslag 10, Hamburg, DE-21129, Germany; Institute of Polymer and Composites, Hamburg University of Technology, Denickestraße 15, Hamburg, DE-21073, Germany..
Institute of Polymer and Composites, Hamburg University of Technology, Denickestraße 15, Hamburg, DE-21073, Germany.ORCID iD: 0000-0002-8647-8923
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2021 (English)In: Multifunctional Materials, ISSN 2399-7532, Vol. 4, no 3, p. 035002-, article id 035002Article in journal (Refereed) Published
Abstract [en]

Structural carbon fibre composite batteries are a type of multifunctional batteries that combine the energy storage capability of a battery with the load-carrying ability of a structural material. To extract the current from the structural battery cell, current collectors are needed. However, current collectors are expensive, hard to connect to the electrode material and add mass to the system. Further, attaching the current collector to the carbon fibre electrode must not affect the electrochemical properties negatively or requires time-consuming, manual steps. This paper presents a proof-of-concept method for screen-printing of current collectors for structural carbon fibre composite batteries using silver conductive paste. Current collectors are screen-printed directly on spread carbon fibre tows and a polycarbonate carrier film. Experimental results show that the electrochemical performance of carbon fibre vs lithium metal half-cells with the screen-printed collectors is similar to reference half-cells using metal foil and silver adhered metal-foil collectors. The screen-printed current collectors fulfil the requirements for electrical conductivity, adhesion to the fibres and flexible handling of the fibre electrode. The screen-printing process is highly automatable and allows for cost-efficient upscaling to large scale manufacturing of arbitrary and complex current collector shapes. Hence, the screen-printing process shows a promising route to realization of high performing current collectors in structural batteries and potentially in other types of energy storage solutions.

Place, publisher, year, edition, pages
IOP Publishing , 2021. Vol. 4, no 3, p. 035002-, article id 035002
Keywords [en]
Battery composites, Current collectors, Energy storage, Multifunctional, Aluminum foil, Carbon fibers, Electric batteries, Electric current collectors, Electrochemical electrodes, Printing presses, Screen printing, Silver, Storage (materials), Battery composite, Carbon fibre composites, Current-collector, Half cells, Screen printing methods, Screen-printed, Screen-printing process, Storage capability, Structural batteries
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-312077DOI: 10.1088/2399-7532/ac2046Scopus ID: 2-s2.0-85116267747OAI: oai:DiVA.org:kth-312077DiVA, id: diva2:1657291
Note

QC 20220510

Available from: 2022-05-10 Created: 2022-05-10 Last updated: 2022-06-25Bibliographically approved

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Johannisson, WilhelmZenkert, DanLindbergh, Göran

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Johannisson, WilhelmBuggisch, ChristinaLinde, PeterZenkert, DanLindbergh, GöranFiedler, Bodo
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Vehicle Engineering and Solid MechanicsApplied Electrochemistry
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