Development and Characterization of Expanded Graphite-Based Nanocomposite as Bipolar Plate for Polymer Electrolyte Membrane Fuel Cells (PEMFCs)
作者： SR Dhakate , S Sharma , M Borah , RB Mathur , TL Dhami
DOI: 10.1021/EF800135F
关键词:
摘要: Expanded graphite-based nanocomposites as bipolar plates for polymer electrolyte membrane fuel cells (PEMFCs) are developed by compression molding technique. The expanded graphite is prepared chemical intercalation of 50 BS mesh particle size natural strong acid. It found that composite plate with a varying weight percent resin and EG gives the high electrical conductivity, competitive mechanical properties bulk density 1.5−1.55 g/cm−3, air tightness. EG-based composites 40−45 wt % suitable achieving desired per DOE advanced series target. addition 5 carbon black helpful improving conductivity without compromising other plate. lower value modulus (3−8 GPa) compared to graphite−resin-based (>12 attributes these more flexible able withstand shock a...
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