Physical properties of proton conducting membranes based on a protic ionic liquid.

Physical properties of proton conducting membranes based on a protic ionic liquid. Research Abstract Details 

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Physical properties of proton conducting membranes based on a protic ionic liquid. Abstract Text:

Anna Martinelli,Aleksandar Matic,Per Jacobsson,Lars ,Alessandra Fernicola,Stefania Panero,Bruno Scrosati,Hiroyuki Ohno,Anna Martinelli,Aleksandar Matic,Per Jacobsson,Lars ,Alessandra Fernicola,Stefania Panero,Bruno Scrosati,Hiroyuki Ohno,

We have investigated the physical properties of proton conducting polymer membranes based on a protic ionic liquid (IL). Properties such as ionic conductivity, melting point of the polymer phase, and glass transition temperature of the liquid phase are studied as a function of IL/polymer ratio and temperature. We observe an increased thermomechanical stability of the membrane with increasing polymer content. However, there is a concomitant decrease in the conductivity with increasing polymer content. This decrease is larger than what can be expected from the dilution of the conducting IL by the insulating polymer matrix. The origin of this decrease can be caused both by the morphology of the membrane and by interactions between the polymer matrix and the ionic liquid. We find a change in the glass transition temperature and in the temperature dependence of the conductivity with increasing polymer content. Both effects can be related to the physical confinement of the IL in the polymer membrane.

Physical properties of proton conducting membranes based on a protic ionic liquid. Publishing Authors By Initials

A Martinelli,A Matic,P Jacobsson,L ,A Fernicola,S Panero,B Scrosati,H Ohno,A Martinelli,A Matic,P Jacobsson,L ,A Fernicola,S Panero,B Scrosati,H Ohno,

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Physical properties of proton conducting membranes based on a protic ionic liquid. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The journal of physical chemistry. B

VOLUME: 111

Page Numbers: 12462-7

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ISSN: 1520-6106

DAY: 10

MONTH: 10

YEAR: 2007

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LANGUAGE: eng

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Grant and Affiliation Information for Physical properties of proton conducting membranes based on a protic ionic liquid.

AFFILIATION: Department of Applied Physics, Chalmers University of Technology, 412 96 Göteborg, Sweden. annamart@fy.chalmers.se

Country: United States

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MEDLINETA: J Phys Chem B

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