Properties of Epoxy/Carbon Black/Graphite Composites for Bipolar Plate in Polymer Electrolyte Membrane Fuel Cell

Abstract:

Epoxy resin (EP) composites including carbon black (CB) and graphite (G) were produced and investigate. The in-plane electrical conductivity of EP/CB/G composites was measured. Various weight percentages (wt.%) of CB as a secondary filler and G as a primary filler were added into the EP as a matrix. Dispersion of CB and G within matrix were conducted by an internal mixer (Haake Reomix). Mixture of EP/CB/G was poured into the steel mold, and produced through hot press machine. In-plane electrical conductivity of EP/CB/G composites in terms of variation of CB and G concentration were measured by the Jandel multi high four point probe. The highest in-plane electrical conductivity of the EP/CB/G composites obtained was 120 S/cm. This value exceeds the requirement of U.S Department of Energy (DOE) target for bipolar plate application (> 100 S/cm).

• Periodical: Advanced Materials Research (Volume 911)
• Pages: 8-12
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.911.8
• Online since: March 2014
• Authors: H. Suherman, J. Sahari, A.B. Sulong, S. Astuti, E. Septe
• Keywords: Bipolar Plate, Carbon Black, Graphite, In-Plane Electrical Conductivity

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