Experimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method

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dc.contributor.authorLee, Dongyoungko
dc.contributor.authorLee, Dai Gilko
dc.contributor.authorLim, Jun Wooko
dc.date.accessioned2017-12-19T01:23:20Z-
dc.date.available2017-12-19T01:23:20Z-
dc.date.created2017-12-04-
dc.date.created2017-12-04-
dc.date.issued2017-10-
dc.identifier.citationJOVE-JOURNAL OF VISUALIZED EXPERIMENTS, no.128-
dc.identifier.issn1940-087X-
dc.identifier.urihttp://hdl.handle.net/10203/228532-
dc.description.abstractThe bipolar plate is a key component in proton exchange membrane fuel cells (PEMFCs) and vanadium redox flow batteries (VRFBs). It is a multi-functional component that should have high electrical conductivity, high mechanical properties, and high productivity. In this regard, a carbon fiber/epoxy resin composite can be an ideal material to replace the conventional graphite bipolar plate, which often leads to the catastrophic failure of the entire system because of its inherent brittleness. Though the carbon/epoxy composite has high mechanical properties and is easy to manufacture, the electrical conductivity in the through-thickness direction is poor because of the resin-rich layer that forms on its surface. Therefore, an expanded graphite coating was adopted to solve the electrical conductivity issue. However, the expanded graphite coating not only increases the manufacturing costs but also has poor mechanical properties. In this study, a method to expose fibers on the composite surface is demonstrated. There are currently many methods that can expose fibers by surface treatment after the fabrication of the composite. This new method, however, does not require surface treatment because the fibers are exposed during the manufacture of the composite. By exposing bare carbon fibers on the surface, the electrical conductivity and mechanical strength of the composite are increased drastically.-
dc.languageEnglish-
dc.publisherJOURNAL OF VISUALIZED EXPERIMENTS-
dc.subjectBIPOLAR PLATE-
dc.subjectEPOXY COMPOSITE-
dc.subjectFUEL-CELL-
dc.titleExperimental Implementation of a New Composite Fabrication Method: Exposing Bare Fibers on the Composite Surface by the Soft Layer Method-
dc.typeArticle-
dc.identifier.wosid000415371500010-
dc.identifier.scopusid2-s2.0-85031030743-
dc.type.rimsART-
dc.citation.issue128-
dc.citation.publicationnameJOVE-JOURNAL OF VISUALIZED EXPERIMENTS-
dc.identifier.doi10.3791/55815-
dc.contributor.localauthorLee, Dai Gil-
dc.contributor.nonIdAuthorLim, Jun Woo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorEngineering-
dc.subject.keywordAuthorIssue 128-
dc.subject.keywordAuthorComposite-
dc.subject.keywordAuthorsurface treatment-
dc.subject.keywordAuthorfiber-exposing method-
dc.subject.keywordAuthorsoft layer method-
dc.subject.keywordAuthorsurface morphology-
dc.subject.keywordAuthorelectrical property-
dc.subject.keywordAuthormechanical property-
dc.subject.keywordAuthorbipolar plate-
dc.subject.keywordAuthorfuel cell-
dc.subject.keywordAuthorbattery-
dc.subject.keywordPlusBIPOLAR PLATE-
dc.subject.keywordPlusEPOXY COMPOSITE-
dc.subject.keywordPlusFUEL-CELL-
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ME-Journal Papers(저널논문)
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