Paper Title:
Improvement of Electrical and Thermal Properties of Epoxy Based Graphite Bipolar Plate for PEMFC
  Abstract

The decrease of material cost for manufacturing fuel cell stack is strongly required for overcoming commercial restriction. The epoxy based graphite bipolar plate (BP) for polymer electrolyte membrane fuel cells (PEMFC) has been prepared and electrical, mechanical and thermal properties were compared. The density of graphite composite bipolar plate showed from 1.67 to 2.54 as graphite content is increased from 60 to 80w/o and decreased as expanded graphite was added. The contact resistance between epoxy/graphite bipolar plate and gas diffusion layer (GDL) had lower value using carbon cloth than carbon paper for GDL. The conformation of thermal stability, improvement of mechanical and electrical properties was accomplished by addition of expanded graphite powder.

  Info
Periodical
Advanced Materials Research (Volumes 26-28)
Edited by
Young Won Chang, Nack J. Kim and Chong Soo Lee
Pages
853-856
DOI
10.4028/www.scientific.net/AMR.26-28.853
Citation
H. K. Lee, S. H. Chae, J. P. Shim, S. W. Yang, "Improvement of Electrical and Thermal Properties of Epoxy Based Graphite Bipolar Plate for PEMFC ", Advanced Materials Research, Vols. 26-28, pp. 853-856, 2007
Online since
October 2007
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Price
$32.00
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