Designing Quinone-based Conducting Redox Polymers specifically for Aqueous Proton Batteries and for Lithium Ion Battery Cathodes

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Sjödin, Martin,1974-Uppsala universitet,Nanoteknologi och funktionella material (författare)

Designing Quinone-based Conducting Redox Polymers specifically for Aqueous Proton Batteries and for Lithium Ion Battery Cathodes

Artikel/kapitelEngelska2020

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2020
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LIBRIS-ID:oai:DiVA.org:uu-428601
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-428601URI

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Språk:engelska
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Conducting redox polymers (CRPs) are conducting polymers that have been decorated with redox active functional groups and they provide an attractive alternative as organic matter based electrical energy storage materials. The purpose of the polymer backbone is two-fold, 1) it prevents dissolution of the redox group and, 2) it renders the material conductive. The redox active pendant groups, on the other hand, provide the material with a well-defined redox reaction as well as a high charge storage capacity. CRPs thus provide a solution to two of the most significant obstacles in achieving powerful and stable battery materials from organic compounds, i.e. materials dissolution and limited electronic conductivity while simultaneously providing a high charge storage capacity. For battery applications it is thus essential that the individual properties of the conducting polymer backbone and the redox group can be preserved and that they operate in synergy in the CRP. One prerequisite for synergetic polymer-pendant combinations is redox matching. As conducting polymers are only conducting in their charged state successful combinations rely on that the pendant group has a redox potential within the conducting region of the polymer backbone. In addition, the CRP must allow mass transport of ions, not only related to the cycling chemistry of the pendant group but also ions related to the doping of the polymer backbone. These requirements put significantly different demands on the polymer design for the development of aqueous proton batteries and for CRPs for lithium cycling cathodes. In this presentation specific CRP design-solutions will be presented that allow for the development of all-organic proton batteries 1,2 and for lithium ion CRP-battery cathodes 3. In addition, a solution-processing method, termed Post Deposition Polymerization (PDP), for CRP-materials and the underlying principles and requirements for PDP will be presented. Importantly, in PDP the processing step occurs prior to polymerization. After depositing and drying of the repeat-unit precursor onto a substrate polymerization is achieved by oxidative polymerization of the precursor. The PDP-method opens up for a scalable method for the coating of CRP materials onto any substrate and can, for instance, be used to make nanostructured CRP materials.1 Emanuelsson, R., Sterby, M., Strømme, M. & Sjödin, M. An All-Organic Proton Battery. J. Am. Chem. Soc. 139, 4828-4834, doi:10.1021/jacs.7b00159 (2017).2 Strietzel, C. et al. Accepted in Angewandte Chemie doi:10.1002/anie.202001191 (2020).3 Wang, H. et al. Redox-State-Dependent Interplay between Pendant Group and Conducting Polymer Backbone in Quinone-Based Conducting Redox Polymers for Lithium Ion Batteries. ACS Applied Energy Materials 2, 7162-7170, doi:10.1021/acsaem.9b01130 (2019).

Ämnesord och genrebeteckningar

TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
TEKNIK OCH TEKNOLOGIER Nanoteknik hsv//swe
ENGINEERING AND TECHNOLOGY Nano-technology hsv//eng
Engineering Science with specialization in Nanotechnology and Functional Materials
Teknisk fysik med inriktning mot nanoteknologi och funktionella material

Biuppslag (personer, institutioner, konferenser, titlar ...)

Emanuelsson, RikardUppsala universitet,Nanoteknologi och funktionella material (författare)
Strietzel, ChristianUppsala universitet,Nanoteknologi och funktionella material(Swepub:uu)strch399 (författare)
Wang, HuanUppsala universitet,Nanoteknologi och funktionella material (författare)
Sterby, Mia,1989-Uppsala universitet,Nanoteknologi och funktionella material(Swepub:uu)miast836 (författare)
Strömme, Maria,1970-Uppsala universitet,Nanoteknologi och funktionella material(Swepub:uu)mst26208 (författare)
Uppsala universitetNanoteknologi och funktionella material (creator_code:org_t)

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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-428601

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Av författaren/redakt...: Sjödin, Martin, ...; Emanuelsson, Rik ...; Strietzel, Chris ...; Wang, Huan; Sterby, Mia, 198 ...; Strömme, Maria, ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Materialteknik

TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Nanoteknik

Av lärosätet: Uppsala universitet

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