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Cellulose nanofibril reinforced composite electrolytes for lithium ion battery applications
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry. Swerea SICOMP AB, Sweden.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry.ORCID iD: 0000-0001-9203-9313
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.ORCID iD: 0000-0002-8348-2273
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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) Published
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 x 10(-5) S cm(-1) and an elastic modulus around 400 MPa at 25 degrees C are obtained.

Place, publisher, year, edition, pages
2014. Vol. 2, no 33, 13556-13564 p.
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-150906DOI: 10.1039/c4ta01139bISI: 000340514500048Scopus ID: 2-s2.0-84905192889OAI: oai:DiVA.org:kth-150906DiVA: diva2:746790
Funder
Swedish Energy Agency, 37712-1
Note

QC 20140915

Available from: 2014-09-15 Created: 2014-09-11 Last updated: 2017-12-05Bibliographically approved

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Lindbergh, GöranMalmström Jonsson, EvaJohansson, Mats K. G.

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Willgert, MarkusLeijonmarck, SimonLindbergh, GöranMalmström Jonsson, EvaJohansson, Mats K. G.
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Coating TechnologyApplied Electrochemistry
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