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Preparation of new proton exchange membranes using sulfonated poly(ether sulfone) modified by octylamine (SPESOS)

Article dans une revue avec comité de lecture
Auteur
MABROUK, Walid
469561 ENSAM-LIM
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
OGIER, Lionel
SOLLOGOUB, Cyrille
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
469561 ENSAM-LIM
VIDAL, Serge
94099 Eras Labo
DACHRAOUI, M.
FAUVARQUE, J.F
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
469561 ENSAM-LIM

URI
http://hdl.handle.net/10985/17916
DOI
10.1016/j.matchemphys.2011.03.031
Date
2011
Journal
Materials Chemistry and Physics

Résumé

Sulfonated poly(arylene ether sulfone) (SPES) has received considerable attention in membrane preparation for proton exchange membrane fuel cell (PEMFC). But such membranes are brittle and difficult to handle in operation. We investigated new membranes using SPES grafted with various degrees of octylamine. Five new materials made from sulfonated polyethersulfone sulfonamide (SPESOS) were synthetized with different grades of grafting. They were made from SPES, with initially an ionic exchange capacity (IEC) of 2.4 meq g−1 (1.3 H+ per monomer unit). Pristine SPES with that IEC is water swelling and becomes soluble at 80 °C, its proton conductivity is in the range of 0.1 S cm−1 at room temperature in aqueous H2SO4 1 M, similar to that of Nafion®. After grafting with various amounts of octylamine, the material is water insoluble; membranes are less brittle and show sufficient ionic conductivity. Proton transport numbers were measured close to 1.

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Documents liés

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  • Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications 
    Article dans une revue avec comité de lecture
    MABROUK, Walid; OGIER, Lionel; VIDAL, Serge; SOLLOGOUB, Cyrille; MATOUSSI, F.; FAUVARQUE, J.F (Elsevier, 2013)
    Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed. Two examples are described: one ...
  • Synthesis and characterization of new membranes deriving from sulfonated polyethersulfone for PEMFC applications 
    Article dans une revue avec comité de lecture
    MABROUK, Walid; OGIER, Lionel; SOLLOGOUB, Cyrille; VIDAL, Serge; MATOUSSI, Fatma; FAUVARQUE, Jean François (FHF, 2015)
    Two new types of proton exchange membranes used in proton exchange membrane fuel cell (PEMFC) were synthesized from sulfochlorinated polyethersulfone (PES (polyarylethersulfone)–SO2Cl). One, called S-PESB, was obtained by ...
  • New ion exchange membrane derived from sulfochlorated polyether sulfone for electrodialysis desalination of brackish water 
    Article dans une revue avec comité de lecture
    MABROUK, Walid; LAFI, Ridha; FAUVARQUE, Jean François; HAFIANE, Amor; SOLLOGOUB, Cyrille (Wiley, 2021)
    The purpose of this work is to study the desalination of brackish water using a new ion exchange membrane, made from sulfochlorated polyethersulfone (Cl-PES), and crosslinked using aminated polyethersulfone (NH2-PES) as a ...
  • Analysis of frictional behaviour of carbon dry woven reinforcement 
    Article dans une revue avec comité de lecture
    NAJJAR, Walid; PUPIN, Cédric; LEGRAND, Xavier; BOUDE, Serge; SOULAT, Damien; DAL SANTO, Philippe (SAGE Publications, 2014)
    During the preforming stage of woven reinforcement, in the first step of the RTM process, frictional phenomenon occurring at the tool/reinforcement interfaces and the reinforcement/reinforcement interfaces is one of the ...
  • Analysis of the blank holder force effect on the preforming process using a simple discrete approach 
    Article dans une revue avec comité de lecture
    NAJJAR, Walid; LEGRAND, Xavier; DAL SANTO, Philippe; SOULAT, Damien; BOUDE, Serge (Trans Tech Publications, 2013)
    Simulation of the dry reinforcement preforming, first step of the Resin Transfer Moulding process, become necessary to determine the feasibility of the forming process, compute the fiber directions in the final composite ...

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