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Search: id:"swepub:oai:lup.lub.lu.se:746abead-028d-400b-b075-11a24e07467e" > Elucidating the Bul...

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  • Oikonomou, VasileiosLinköpings universitet,Linköping University,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center (author)

Elucidating the Bulk Morphology of Cellulose-Based Conducting Aerogels with X-Ray Microtomography

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • WILEY,2023

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:746abead-028d-400b-b075-11a24e07467e
  • https://lup.lub.lu.se/record/746abead-028d-400b-b075-11a24e07467eURI
  • https://doi.org/10.1002/admt.202300550DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-199103URI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Funding Agencies|Wallenberg Wood Science Center [KAW 2018.0452]; European Unions Horizon 2020 research and innovation programme (FET-OPEN-HyPhOE) [800926]; Swedish Research Council [VR-2017-04910, VR 2022-03507]; Swedish Foundation for Strategic Research [ID17-0097, FFL-18-0101]; Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linkoping University [2009-00971]
  • Conducting cellulose composites are promising sustainable functional materials that have found application in energy devices, sensing and water purification. Herein, conducting aerogels are fabricated based on nanofibrillated cellulose and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate, using the ice templating technique, and their bulk morphology is characterized with X-ray microtomography. The freezing method (−20 °C in a freezer vs liquid nitrogen) does not impact the mean porosity of the aerogels but the liquid-N2 aerogels have smaller pores. The integration of carbon fibers as addressing electrodes prior to freezing results in increased mean porosity and pore size in the liquid-N2 aerogels signifying that the carbon fibers alter the morphology of the aerogels when the freezing is fast. Spatially resolved porosity and pore size distributions also reveal that the liquid-N2 aerogels are more inhomogeneous. Independent of the freezing method, the aerogels have similar electrochemical properties. For aerogels without carbon fibers, freezer-aerogels have higher compression modulus and are less stable under cycling compression fatigue test. This can be explained by higher porosity with larger pores in the center of liquid-N2 aerogels and thinner pore walls. This work demonstrates that micro-CT is a powerful tool for characterizing the morphology of aerogels in a non-destructive and spatially resolved manner.

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  • Dreier, TillLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,LTH profilområde: Teknik för hälsa,LTH profilområden,Lunds Tekniska Högskola,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,LTH Profile Area: Engineering Health,LTH Profile areas,Faculty of Engineering, LTH,Lund Univ, Sweden; Excillum AB, Sweden(Swepub:lu)ti0604dr (author)
  • Sandéhn, AlexandraLinköpings universitet,Linköping University,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center(Swepub:liu)alesa56 (author)
  • Mohammadi, MohsenLinköpings universitet,Linköping University,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center(Swepub:liu)mohmo70 (author)
  • Christensen, Jakob LønborgTechnical University of Denmark,Tech Univ Denmark, Denmark (author)
  • Tybrandt, KlasLinköpings universitet,Linköping University,Laboratoriet för organisk elektronik,Tekniska fakulteten,Wallenberg Wood Science Center(Swepub:liu)klaty05 (author)
  • Dahl, Anders BjorholmTechnical University of Denmark,Tech Univ Denmark, Denmark (author)
  • Dahl, Vedrana AndersenTechnical University of Denmark,Tech Univ Denmark, Denmark (author)
  • Bech, MartinLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,X-ray Phase Contrast,Forskargrupper vid Lunds universitet,LTH profilområde: Teknik för hälsa,LTH profilområden,Lunds Tekniska Högskola,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups,LTH Profile Area: Engineering Health,LTH Profile areas,Faculty of Engineering, LTH,Lund Univ, Sweden(Swepub:lu)med-mbh (author)
  • Stavrinidou, EleniLinköpings universitet,Umeå University,Linköping University,Laboratoriet för organisk elektronik,Tekniska fakulteten,Swedish Univ Agr Sci, Sweden,Wallenberg Wood Science Center(Swepub:liu)elest58 (author)
  • Linköping UniversityLaboratoriet för organisk elektronik (creator_code:org_t)

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  • In:Advanced Materials Technologies: WILEY8:232365-709X

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