Ferroelectric-Polymer-Enabled Contactless Electric Power Generation in Triboelectric Nanogenerators

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dc.contributor.authorKim, Hyun Sooko
dc.contributor.authorKim, Dong Yeongko
dc.contributor.authorKim, Jae-Eunko
dc.contributor.authorKim, Jong Hunko
dc.contributor.authorKong, Dae Solko
dc.contributor.authorMurillo, Gonzaloko
dc.contributor.authorLee, Gwan-Hyoungko
dc.contributor.authorPark, Jeong Youngko
dc.contributor.authorJung, Jong Hoonko
dc.date.accessioned2019-12-20T06:22:30Z-
dc.date.available2019-12-20T06:22:30Z-
dc.date.created2019-10-01-
dc.date.issued2019-11-
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v.29, no.45, pp.1905816-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10203/270039-
dc.description.abstractTriboelectric nanogenerators (TENGs) are considered as one of the most important renewable power sources for mobile electronic devices and various sensors in the Internet of Things era. However, their performance should inherently be degraded by the wearing of contact surfaces after long-term use. Here, a ferroelectric polymer is shown to enable TENGs to generate considerable electricity without contact. Ferroelectric-polymer-embedded TENG (FE-TENG) consists of indium tin oxide (ITO) electrodes, a polydimethylsiloxane (PDMS) elastomer, and a poly(vinylidene fluoride) (PVDF) polymer. In contrast to down- and non-polarization, up-polarized PVDF causes significantly large triboelectric charge, rapidly saturated voltage/current, and considerable remaining charge due to the modulated surface potential and increased capacitance. The remained triboelectric charges flow by just approaching/receding the ITO electrode to/from the PDMS without contact, which is sufficient to power light-emitting diodes and liquid crystal displays. Additionally, the FE-TENG can charge an Li-battery with a significantly reduced number of contact cycles. Furthermore, an arch-shaped FE-TENG is demonstrated to operate a wireless temperature sensor network by scavenging the irregular and random vibrations of water waves. This work provides an innovative and simple method to increase conversion efficiency and lifetime of TENGs; which widens the applications of TENG to inaccessible areas like the ocean.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleFerroelectric-Polymer-Enabled Contactless Electric Power Generation in Triboelectric Nanogenerators-
dc.typeArticle-
dc.identifier.wosid000484601600001-
dc.identifier.scopusid2-s2.0-85071953402-
dc.type.rimsART-
dc.citation.volume29-
dc.citation.issue45-
dc.citation.beginningpage1905816-
dc.citation.publicationnameADVANCED FUNCTIONAL MATERIALS-
dc.identifier.doi10.1002/adfm.201905816-
dc.contributor.localauthorPark, Jeong Young-
dc.contributor.nonIdAuthorKim, Hyun Soo-
dc.contributor.nonIdAuthorKim, Dong Yeong-
dc.contributor.nonIdAuthorKim, Jong Hun-
dc.contributor.nonIdAuthorKong, Dae Sol-
dc.contributor.nonIdAuthorMurillo, Gonzalo-
dc.contributor.nonIdAuthorLee, Gwan-Hyoung-
dc.contributor.nonIdAuthorJung, Jong Hoon-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorcapacitance-
dc.subject.keywordAuthorcontactless power generation-
dc.subject.keywordAuthorferroelectric polymers-
dc.subject.keywordAuthorsurface potential-
dc.subject.keywordAuthortriboelectric nanogenerators-
dc.subject.keywordPlusMECHANICAL ENERGY-
dc.subject.keywordPlusENHANCEMENT-
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