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Improving the Performance of Paper Supercapacitors Using Redox Molecules from Plants
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Dept Printed Elect, Sweden.ORCID iD: 0000-0002-2904-7238
Dept Printed Elect, Sweden.
Dept Papermaking and Packaging, Sweden.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Wallenberg Wood Sci Ctr, Sweden.ORCID iD: 0000-0001-5365-6140
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2019 (English)In: ADVANCED SUSTAINABLE SYSTEMS, ISSN 2366-7486, Vol. 3, no 8, article id 1900050Article in journal (Refereed) Published
Abstract [en]

A supercapacitor made from organic and nature-based materials, such as conductive polymers (PEDOT:PSS), nanocellulose, and an the organic dye molecule (alizarin), is demonstrated. The dye molecule, which historically was extracted from the roots of the plant rubia tinctorum, is here responsible for the improvement in energy storage capacity, while the conductive polymer provides bulk charge transport within the composite electrode. The forest-based nanocellulose component provides a mechanically strong and nonporous network onto which the conductive polymer self-organizes. The electrical and electrochemical properties of the material composition are investigated and prototype redox-enhanced supercapacitor devices with excellent specific capacitance exceeding 400 F g(-1) and an operational stability over >1000 cycles are demonstrated. This new class of supercapacitors, which in part are based on organic materials from plants, represents an important step toward a green and sustainable energy technology.

Place, publisher, year, edition, pages
WILEY-V C H VERLAG GMBH , 2019. Vol. 3, no 8, article id 1900050
Keywords [en]
cellulose electronics; energy storage; organic electronics; paper electronics; supercapacitors
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-163969DOI: 10.1002/adsu.201900050ISI: 000481496000006OAI: oai:DiVA.org:liu-163969DiVA, id: diva2:1412320
Note

Funding Agencies|Swedish Foundation for Strategic ResearchSwedish Foundation for Strategic Research [GMT14-0058]; Knut and Alice Wallenberg FoundationKnut & Alice Wallenberg Foundation; Strategic Research Area (SFO) for Advanced Functional Materials at LiU; Onnesjo Foundation; Swedish Research CouncilSwedish Research Council; VINNOVAVinnova

Available from: 2020-03-05 Created: 2020-03-05 Last updated: 2020-03-05

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