A sulfonated poly (ether ether ketone) (sPEEK) was tested as the separator in a full alkaline flow battery with 2,6-dihydroxyanthraquinone-ferro/ferricyanide, DHAQ-FeCy, redox couples. Cell performance was compared to that of an identical cell utilizing a perfluorosulfonic acid (PFSA) membrane. Replacement of the PFSA membrane with sPEEK resulted in a 10% power density increase, a 40% decrease in capacity loss per day and an 85-fold decrease in ferricyanide permeation. Though long-term stability of sPEEK in alkaline media requires improvement, these results highlight the potential to produce non-fluorinated membranes with better performance in organic redox flow batteries than the commercially available PFSAs. © The Author(s) 2018.

De Porcellinis, D., Mecheri, B., D’Epifanio, A., Licoccia, S., Granados-Focil, S., Aziz, M.j. (2018). Communication—sulfonated poly (ether ether ketone) as cation exchange membrane for alkaline redox flow batteries. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 165(5), A1137-A1139 [10.1149/2.1291805jes].

Communication—sulfonated poly (ether ether ketone) as cation exchange membrane for alkaline redox flow batteries

De Porcellinis D.;Mecheri B.;D’Epifanio A.;Licoccia S.;
2018-01-01

Abstract

A sulfonated poly (ether ether ketone) (sPEEK) was tested as the separator in a full alkaline flow battery with 2,6-dihydroxyanthraquinone-ferro/ferricyanide, DHAQ-FeCy, redox couples. Cell performance was compared to that of an identical cell utilizing a perfluorosulfonic acid (PFSA) membrane. Replacement of the PFSA membrane with sPEEK resulted in a 10% power density increase, a 40% decrease in capacity loss per day and an 85-fold decrease in ferricyanide permeation. Though long-term stability of sPEEK in alkaline media requires improvement, these results highlight the potential to produce non-fluorinated membranes with better performance in organic redox flow batteries than the commercially available PFSAs. © The Author(s) 2018.
2018
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore CHIM/07 - FONDAMENTI CHIMICI DELLE TECNOLOGIE
Settore CHIM/03 - CHIMICA GENERALE E INORGANICA
Settore CHIM/02 - CHIMICA FISICA
English
Con Impact Factor ISI
De Porcellinis, D., Mecheri, B., D’Epifanio, A., Licoccia, S., Granados-Focil, S., Aziz, M.j. (2018). Communication—sulfonated poly (ether ether ketone) as cation exchange membrane for alkaline redox flow batteries. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 165(5), A1137-A1139 [10.1149/2.1291805jes].
De Porcellinis, D; Mecheri, B; D’Epifanio, A; Licoccia, S; Granados-Focil, S; Aziz, Mj
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/216011
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