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Bloom's technology is cheaper and more efficient than others because of proprietary technology that enables it to use low-cost materials — sand and ink — in 4-inch-by-4-inch fuel cells as thick as business cards. One cell powers a light bulb. Bloom stacks them together to produce more power.
Bloom's big breakthrough was reducing breakage by figuring out how to get the cells and the metal plates that go between them in the stacks to expand and shrink at the same rate at temperatures up to 800 degrees Celsius (1,472 degrees Fahrenheit). The high heat makes the fuel more reactive and the cell more efficient, Sridhar says. The heat also enables use of different fuels, making the tech easier and cheaper to deploy, he says.
A fuel cell system is the centerpiece of propulsion technology. The fuel cell system was developed by the DLR Institute for Technical Thermodynamics in collaboration with BASF Fuel Cells and Serenergy A/S. It uses hydrogen as its fuel, and this is converted into electrical energy in a direct, electrochemical reaction with oxygen in the ambient air, without any combustion occurring. During this zero-particulate reaction, the only byproduct is water.
"With our successful first flight, we have verified the feasibility of fuel-cell powered flight and our next steps will focus on improving efficiency levels and on extending the service life of these systems," stated Antares Project Manager Josef Kallo from the DLR Institute for Technical Thermodynamics. This could, for example, make it possible to significantly improve performance by optimizing the cooling concepts, fuel cell architecture and components such as the air supply system.
Something, somewhat, is the same story called now E 85. Ethanol use as fuel was tested for years in Brasilia and now is on his way over the road here.
This Hydrogen based technology for automotive industry a asking for new infrastructure that will be tested in Germany. After German success... here.