Plasma-treated phosphonic acid-based membranes for fuel cell

被引：3

作者：

Bassil, Joelle ^{[1
]}

Labalme, Etienne ^{[2
]}

Souquet-Grumey, Julien ^{[3
]}

Roualdes, Stephanie ^{[1
]}

David, Ghislain ^{[2
]}

Bigarre, Janick ^{[3
]}

Buvat, Pierrick ^{[3
]}

机构：

[1] Univ Montpellier, Inst Europeen Membranes, UMR ENSCM 5635, CNRS, CC047,Pl Eugene Bataillon, F-34095 Montpellier 5, France

[2] ENSCM, CNRS, UMR UM 5253, Inst Charles Gerhardt,Equipe Ingn & Architecture, 8 Rue Ecole Normale, F-34296 Montpellier 5, France

[3] CEA, DAM, Le Ripault, BP 16, F-37260 Monts, France

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 34期

关键词：

PEMFC; Phosphonated copolymer; Fluorinated copolymer; Blend membranes; Plasma treatment; POLYMER ELECTROLYTE MEMBRANES; PROTON-EXCHANGE MEMBRANE; ALKYL SIDE-CHAINS; BLENDS; TEMPERATURE; MORPHOLOGY; TRANSPORT; IONOMERS;

D O I：

10.1016/j.ijhydene.2016.06.144

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the highly competitive market of fuel cells, proton exchange membrane fuel cells operating in the range 80-150 degrees C seem quite promising. One of the main hurdles for emergence of such a technology is the development of phosphonic acid-based membranes characterized by high conductivity and stability beyond 80 degrees C. In this work, new polymer blend membranes mixing a fluorinated polymer (poly(VDF-co-CTFE)) and a phosphonated polymer (poly(CTFE-alt-DEVEP)) have been prepared at low cost. High proton conductivity (40 mS m(-1) at 80 degrees C, 100% HR) and good thermal stability, directly related to the specific structuration of membranes, have been demonstrated. Due to cross-linking effect, argon plasma treatment of blend membranes has enabled to improve their thermal stability and fuel retention without altering their morphology, chemical composition and proton conductivity. Plasma-treated blend membranes appear as good candidates for PEMFC, as shown by preliminary fuel cell tests. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：15593 / 15604

页数：12

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