Manufacturing Industry
Compression process for improved bipolar plates.(Electrical/electronic)
Advanced Composites Bulletin, November, 2005
Researchers at Virginia Polytechnic Institute (Virginia Tech), USA, are developing novel composite bipolar plates for use in polymer electrolyte fuel cells (PEFCs).
Using a compression moulding technique, the researchers claim to have developed bipolar plates with fuel channels moulded in--a design that is much more cost-effective than traditional types.
PEFCs are being considered as possible power sources for future electric-powered automobiles. However, a single PEFC does not produce enough energy to power a practical commercial road vehicle. So the fuel cells are stacked, with a bipolar plate between each cell through which electrons are conducted. The hydrogen fuel and oxygen enter the plate through channels along the face on each side of the...
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