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Progress in Developing Clean, Cheap and Sustainable Energy through Solar Power
Manage episode 410989422 series 3567129
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Dr. Zetian Mi's is a Professor in the Department of Electrical Engineering and Computer Science at the University of Michigan who is focused on the investigation of semiconductor nanostructures and their application in electronic, photonic, clean energy, and quantum devices and systems.
A new kind of solar panel, developed at the U-M, has achieved 9% efficiency in converting water into hydrogen and oxygen—mimicking a crucial step in natural photosynthesis. Outdoors, it represents a major leap in technology, nearly 10 times more efficient than previous solar water-splitting experiments of its kind. But the biggest benefit is driving down the cost of sustainable hydrogen.
Currently, humans produce hydrogen from the fossil fuel methane, using a great deal of fossil energy in the process. However, plants harvest hydrogen atoms from water using sunlight. As humanity tries to reduce its carbon emissions, hydrogen is attractive as both a standalone fuel and as a component in sustainable fuels made with recycled carbon dioxide. "In the end, we believe that artificial photosynthesis devices will be much more efficient than natural photosynthesis, which will provide a path toward carbon neutrality," said Zetian Mi.
Dr. Mi will describe the innovative research in his lab and discuss overall progress towards developing clean, sustainable energy.
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