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Cellulose nanofibril reinforced composite electrolytes for lithium ion battery applications
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Ytbehandlingsteknik.
KTH, Skolan för kemivetenskap (CHE), Kemiteknik, Tillämpad elektrokemi. Swerea SICOMP AB, Sweden.
KTH, Skolan för kemivetenskap (CHE), Kemiteknik, Tillämpad elektrokemi.ORCID-id: 0000-0001-9203-9313
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Ytbehandlingsteknik.ORCID-id: 0000-0002-8348-2273
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2014 (engelsk)Inngår i: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 2, nr 33, s. 13556-13564Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2014. Vol. 2, nr 33, s. 13556-13564
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Identifikatorer
URN: urn:nbn:se:kth:diva-150906DOI: 10.1039/c4ta01139bISI: 000340514500048Scopus ID: 2-s2.0-84905192889OAI: oai:DiVA.org:kth-150906DiVA, id: diva2:746790
Forskningsfinansiär
Swedish Energy Agency, 37712-1
Merknad

QC 20140915

Tilgjengelig fra: 2014-09-15 Laget: 2014-09-11 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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

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