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http://dx.doi.org/10.14478/ace.2011.22.2.149

Aging Property Studies on Rubber Gasket for Polymer Electrolyte Membrane Fuel Cell Stack  

Kang, Dong-gug (Research & Development Institute, Pyung-hwa Oil Seal Industry Co. LTD.)
Hur, Byung-ki (Research & Development Institute, Pyung-hwa Oil Seal Industry Co. LTD.)
Lee, Dong-won (PCK Industry Co. Ltd.)
Seo, Kwan-ho (Department of Polymer Science, Kyungpook National University)
Publication Information
Applied Chemistry for Engineering / v.22, no.2, 2011 , pp. 149-154 More about this Journal
Abstract
In order to explore properties of various rubber compounds after thermal aging under the condition similar to the operating environment of a fuel cell-stack, heat resistance and compression set of those compounds were investigated for a long term operation in $H_2SO_4$, $H_2O$, and LLC (ethylene glycol : $H_2O=50:50$) solution. It was assumed that aging Acrylonitrile butadiene rubber (NBR) and Elthylene Propylene diene rubber (EDPM) compound in the solution resulted in discoloration as time passed. It was also found that hydrolysis was developed on the Silicone rubber (VMQ) compound intentionally aged under acidic condition by means of TGA, SEM, and EDS analysis.
Keywords
fuel cell; gasket; stuck; aging; VMQ;
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Times Cited By KSCI : 2  (Citation Analysis)
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