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A Current Supply with Single Organic Thin-Film Transistor for Charging Supercapacitors
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
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2016 (English)In: THIN FILM TRANSISTORS 13 (TFT 13) / [ed] Kuo, Y, ELECTROCHEMICAL SOC INC , 2016, Vol. 75, no 10, 217-222 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present a current supply, comprising a single organic thin-film transistor (OTFT), for the charging of supercapacitors. The current supply takes power from the electric grid (115 V AC, US standard), converts the AC voltage to a quasi-constant DC current (similar to 0.1 mA) regardless of the impedance of the load, and charges the supercapacitor. Solution-processed OTFTs based on the popular polymeric semiconductor poly(3-hexylthiophene- 2,5-diyl) have been developed to rectify the 115 V AC voltage. A diodeconfigured OTFT was used as a half-wave rectifier. The single OTFT current supply was demonstrated to charge a 220 mF supercapacitor to 1 V directly using 115 V AC voltage as the input. This work paves the road towards all-printable supercapacitor energy-storage systems with integrated chargers, which enable direct charging from a power outlet.

Place, publisher, year, edition, pages
ELECTROCHEMICAL SOC INC , 2016. Vol. 75, no 10, 217-222 p.
Series
ECS Transactions, ISSN 1938-5862 ; 75
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-138633DOI: 10.1149/07510.0217ecstISI: 000406512700030ISBN: 978-1-60768-727-6 OAI: oai:DiVA.org:umu-138633DiVA: diva2:1137547
Conference
13th Symposium on Thin Film Transistor Technologies (TFT), OCT 03-05, 2016, Honolulu, HI
Available from: 2017-08-31 Created: 2017-08-31 Last updated: 2017-08-31Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
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  • nn-NO
  • nn-NB
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