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http://dx.doi.org/10.7316/KHNES.2014.25.2.131

Effect of Carbon Fiber Filament and Graphite Fiber on the Mechanical Properties and Electrical Conductivity of Elastic Carbon Composite Bipolar Plate for PEMFC  

Lee, Jaeyoung (Hydrogen Fuel Cell Parts and Applied Technology RIC, Woosuk University)
Lee, Wookum (Department of Advanced Materials, Woosuk University)
Rim, Hyungryul (Hydrogen Fuel Cell Parts and Applied Technology RIC, Woosuk University)
Joung, Gyubum (Department of Electricity and Electrical Engineering, Woosuk University)
Lee, Hongki (Hydrogen Fuel Cell Parts and Applied Technology RIC, Woosuk University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.2, 2014 , pp. 131-138 More about this Journal
Abstract
Highly conductive bipolar plate for polymer electrolyte membrane fuel cell (PEMFC) was prepared using phenol novolac-type epoxy/graphite powder (GP)/carbon fiber filament (CFF) composite, and a rubber-modified epoxy resin was introduced in order to give elasticity to the bipolar plate graphite fiber (GF) was incorporated in order to improve electrical conductivity. To find out the cure condition of the mixture of novolac-type and rubber-modified epoxies, differential scanning calorimetry (DSC) was carried out and their data were introduced to Kissinger equation. And tensile and flexural tests were carried out using universal testing machine (UTM) and the surface morphology of the fractured specimen and the interfacial bonding between epoxy matrix and CFF or GF were observed by a scanning electron microscopy (SEM).
Keywords
Bipolar plate; PEMFC; Graphite fiber; Carbon fiber; Epoxy resin; Mechanical property; Electrical conductivity;
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Times Cited By KSCI : 1  (Citation Analysis)
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