Silica filled polysulfones for fuel cell application

Title
Silica filled polysulfones for fuel cell application
Authors
헨켄스마이어디억Nambi Krishnan Nagappan장종현조은애김형준
Keywords
polysulfone; silicaproton exchange membrane; fuel cell
Issue Date
2010-08
Publisher
EuCheMS(3rd EuCheMS Chemistry congress)
Abstract
Polymer electrolyte fuel cells (PEFC) for automobile application require an operation at elevated temperatures (> 120°C) and low humidification (< 50% rh). At those conditions, electrode kinetics are enhanced, the catalyst is less sensitive towards carbon monoxide poisoning and water and thermal management can be simplified. However, the state-of-the-art membrane, Dupont’s Nafion, has a glass temperature of about 110°C and dries out rapidly at temperatures above 100°C. Therefore, the conventional membranes cannot be used in a high temperature PEFC. In order to facilitate high temperature / low humidification operation, we develop silica filled polysulfone membranes.
URI
http://pubs.kist.re.kr/handle/201004/37969
Appears in Collections:
KIST Publication > Conference Paper
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