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Cellulose nanofibril reinforced composite electrolytes for lithium ion battery applications
KTH Royal Institute of Technology.
RISE, Swerea, Swerea SICOMP.
KTH Royal Institute of Technology.
KTH Royal Institute of Technology.
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2014 (English)In: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 2, no 33, 13556-13564 p.Article in journal (Refereed)
Abstract [en]

The present study describes the synthesis and characterization of a series of four composite electrolytes for lithium ion battery applications. The two-phase electrolytes are composed of a soft, ionic conductive poly(ethylene glycol) (PEG) matrix having stiff nanofibrillated cellulose (CNF) paper as reinforcement to provide mechanical integrity. The reinforcing CNF is modified in order to create covalent bonds between the phases which is particularly beneficial when swelling the composite with a liquid electrolyte to enhance the ionic conductivity. After swelling the composite polymer electrolyte, forming a gelled structure, values of ionic conductivity at 5 × 10-5 S cm-1 and an elastic modulus around 400 MPa at 25 °C are obtained. This journal is © the Partner Organisations 2014.

Place, publisher, year, edition, pages
Royal Society of Chemistry , 2014. Vol. 2, no 33, 13556-13564 p.
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13145DOI: 10.1039/c4ta01139bOAI: oai:DiVA.org:ri-13145DiVA: diva2:973341
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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Journal of Materials Chemistry A
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