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Solid polymer electrolyte-coated carbon fibres for structural and novel micro batteries
KTH Royal Institute of Technology, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP.
KTH Royal Institute of Technology, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP.
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2013 (Engelska)Ingår i: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 89, s. 149-157Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We report a method to deposit a thin solid polymer electrolyte (SPE) coating around individual carbon fibres for the realization of novel battery designs. In this study an electrocoating method is used to coat methacrylate-based solid polymer electrolytes onto carbon fibres. By this approach a dense uniform, apparently pinhole-free, poly(methoxy polyethylene glycol (350) monomethacrylate) coating with an average coating thickness of 470. nm was deposited around carbon fibres. Li-triflate, used as supporting electrolyte remained in the coating after the electrocoating operation. The Li-ion content in the solid polymer coating was found to be sufficiently high for battery applications. A battery device was built employing the SPE coated carbon fibres as negative electrode demonstrating reversible specific capacity of 260. mA. h/g at low currents (C/10), suggesting that these coated carbon fibres can be employed in future structural composite batteries.

Ort, förlag, år, upplaga, sidor
2013. Vol. 89, s. 149-157
Nyckelord [en]
Functional composites, Electrical properties, Interphase, Photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM)
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-13156DOI: 10.1016/j.compscitech.2013.09.026Scopus ID: 2-s2.0-84887014038OAI: oai:DiVA.org:ri-13156DiVA, id: diva2:973352
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2020-11-09Bibliografiskt granskad

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Förlagets fulltextScopushttp://www.sciencedirect.com/science/article/pii/S0266353813003898
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