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Plates: Process
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The Dana display at the Hannover Fair will demonstrate new developments in bipolar plates, seals, and end caps for fuel-cell stacks. Dana has developed a proprietary, cost-effective manufacturing process to produce joined bipolar plate assemblies in either stainless steel or molded carbon materials with integrated seals and connectors. Dana believes this process is the first of its kind for mass-producing fuel-cell components, and it overcomes a major hurdle on the road to commercialization.
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Printing processes such as offset lithography use printing plates to transfer an image to paper or other substrates. The plates may be made of metal, plastic, rubber, paper, and other materials. The image is put on the printing plates using photomechanical, photochemical, or laser engraving processes. The image may be positive or negative.
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"Current fuel cell manufacturing requires the stacking of hundreds of wafer thin conductive plates in a 'stack' within the cell," according to William G. Janis, chairman and CEO of Century. "Our challenge is to overcome processing limitations such as cost, reliability and functionality, necessary before commercialization of current technology can occur."
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