Effect Of Carbon Black Loading On The Properties Of Graphite- Epoxy Composite For Bipolar Plate

Sahrani, Muhamad Firdaus (2019) Effect Of Carbon Black Loading On The Properties Of Graphite- Epoxy Composite For Bipolar Plate. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The performance of Polymer Exchange Membrane Fuel Cell (PEMFC) is depends to the bipolar plate. This research study the alternatives materials for bipolar plate which is graphite-epoxy composites. Different ratio of graphite (G) and carbon black (CB) polymer exchange membrane fuel cell has been mixed with epoxy as the binder to fabricate the conductive composites bipolar plate. The compositions of fillers and binder is 80:20 and the percentage of CB has been varying 5% to 30% from total percentage of filler. The material will be pre-mixing in the ball mill machine. The conductive composites will be fabricated by using hot compressing molding. To identify the properties of the composites bipolar plate, the electrical conductivity, flexural strength, hardness and density will be measured. The result from the tests will be analyzed to identify whether the properties of conductive composites were achieved the DOE requirement. Based on this experiment, the critical loading of CB content in the composites is 20% and the present of carbon black in the composites improved the properties of graphite-epoxy composites such as electrical conductivity, flexural strength, hardness and density.

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