The effects of compression pressure applied on the manufacture of carbon composite bipolar plate for PEMFC by utilizing graphite waste products

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Proton electrolyte membrane fuel cells (PEMFC) have near zero carbon dioxide and hazardous pollutant emission. Thus, it is considered as one of energy sources for transportation and other application which can improve environmental performance by decreasing the emission of greenhouse gases and other air pollutant. In accordance with its environmental preservation values, graphite waste product from electric arc furnace (graphite EAF) was chosen as a potential candidate material for bipolar plate for PEMFC. The utilization of graphite waste product is expected to result in light-weight and cost-effective bipolar plates. In this paper, we used graphite EAF as a filler together with carbon black and epoxy resin as a binder. We examined the effects of differential pressure applied on compression molding process on density, porosity, flexural strength and electrical conductivity of the resulting carbon polymer composite bipolar plate. Pressure was applied from 30 MPa - 60 MPa in increments of 5 MPa while maintaining constant temperature operation at 70 °C for 4 hours. Maximum value of bipolar plate density was achieved at application 55 MPa, of 1.69 g/cm 3. At this condition, the flexural strength was measured to be 48 MPa with the porosity of 0.7%, and electrical conductivity of 1.03 S/cm.Taken together, we demonstrated that graphite EAF is a good candidate for the manufacturing of polymer composite bipolar plates.

Original languageEnglish
Title of host publicationAdvanced Design Technology
Pages60-66
Number of pages7
DOIs
Publication statusPublished - 1 Jan 2012
Event2nd International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2011 - Guilin, China
Duration: 16 Dec 201118 Dec 2011

Publication series

NameAdvanced Materials Research
Volume421
ISSN (Print)1022-6680

Conference

Conference2nd International Conference on Advances in Materials and Manufacturing Processes, ICAMMP 2011
CountryChina
CityGuilin
Period16/12/1118/12/11

Keywords

  • Bipolar plate
  • Electrical conductivity
  • Flexural strength
  • Porosity and density

Fingerprint Dive into the research topics of 'The effects of compression pressure applied on the manufacture of carbon composite bipolar plate for PEMFC by utilizing graphite waste products'. Together they form a unique fingerprint.

Cite this