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Quinone Functionalized Polypyrroles: Organic Materials for Energy Storage
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.ORCID iD: 0000-0002-5496-9664
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC.
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2015 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

Quinones, which are naturally occurring redox active organic compounds,have been proposed as cathode materials in lithium ionbatteries for their high theoretical specific capacities and more environmentallyfriendly manufacturing compared to conventional inorganiccathode materials (see figure on the right). However,many of them suffer from poor kinetics as well as capacity lossdue to dissolution.¹ In our work, by attaching quinones as pendantmoieties onto conducting polmers, e.g. polypyrroles, we havecomposed conducting redox polymers, which are expected to decreaseproblems with resistance and dissolution while retainingcapacity and cyclability² (see figure on the left). A series of monomericcompounds incorporating pyrrole and quinone units weresynthesized and polymerized electrochemically. The resultingpolymers were studied by in-situ spectro-electrochemical techniquesas well as by EQCM to elucidate the redox chemistry ofthe quinone units as well as the kinetics ofpolymer redox performance.

Place, publisher, year, edition, pages
2015.
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:uu:diva-258223OAI: oai:DiVA.org:uu-258223DiVA: diva2:841265
Conference
SweGRIDS conference
Available from: 2015-07-12 Created: 2015-07-12 Last updated: 2017-01-25

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Hao, HuangKarlsson, ChristofferStrømme, MariaGogoll, AdolfSjödin, Martin

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