How Fuel-Cell Membranes Are Made
A new process increases the energy output of methanol fuel cells by 50 percent.
The process begins with a specially treated silicon disc, which a researcher attaches to a rotating stand in a fume hood. An automated sprayer system emits fine mists of two different polymers and a water solution in a sequence repeated several hundred times in a few hours.
Credit: Porter Gifford
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Can We Build Tomorrow's Breakthroughs?
Manufacturing in the United States is in trouble. That's bad news not just for the country's economy but for the future of innovation.
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