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Effect to Fillers for FKM (Fluorocarbon rubber) Gasket in Fuel Cell Stack  

Hur, Byung-ki (Research & Development Institute, Pyung-hwa Oil seal Industry Co., LTD.)
Kang, Dong-gug (Research & Development Institute, Pyung-hwa Oil seal Industry Co., LTD.)
Yoo, Il-hyuk (Research & Development Institute, Pyung-hwa Oil seal Industry Co., LTD.)
Lee, Dong-won (Department of Polymer Science, Kyungpook National University)
Seo, Kwan-ho (Department of Polymer Science, Kyungpook National University)
Park, Lee-soon (Department of Polymer Science, Kyungpook National University)
Publication Information
Applied Chemistry for Engineering / v.19, no.1, 2008 , pp. 86-91 More about this Journal
Abstract
The rubber was compounded with carbon black and silica series-filler to examine the effects of the various rubber fillers on a gasket material's suitability and fuel cell stack conclusion. The evaluation of a long term heat resistance and oil resistance of the mixed rubber material was performed considering at the drive environment of PEMFC. Test results of compression set for the most influencing property of gasket showed that it was about less than 15% at long term of up to 1000 h. In this experiment, FEM analysis is carried out about the rubber material's properties depending on each filler and the stress which is produced when a gasket is contracted by using various filler. Sealing force was expected to maximum 2.5 MPa from minimum 0.2 MPa by using FEM (finite element method) at stacking gasket to gasket.
Keywords
fuel cell; gasket; filler;
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