A simple Procedure to change the Direction of Swelling of Polymer Electrolyte Membranes

Title
A simple Procedure to change the Direction of Swelling of Polymer Electrolyte Membranes
Authors
Steffen Hink헨켄스마이어디억
Keywords
ion exchange membrane; shape memory effect
Issue Date
2014-06
Publisher
Workshop on Ion Exchange Membrane Applications
Abstract
It is well known that strong in-plane swelling of polymer electrolyte membranes in fuel cell applications can cause early failure due to crack formation, especially at the edge between active and inactive area, or delamination between the membrane and the electrode. We present a simple method to direct the undesired in-plane swelling to the less detrimental through-plane swelling. The method was proved for ionically and covalently crosslinked membranes based on radiation grafted ETFE-graft-poly(α-methylstyrene-co-methacrylonitrile-co-vinylpyridine)[1] and for the perfluorosulfonic acid polymer Nafion R 212.
URI
http://pubs.kist.re.kr/handle/201004/48400
Appears in Collections:
KIST Publication > Conference Paper
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