Solar-Powered Green Hydrogen Reactor
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solar fuelsIFLScience
•Japanese scientists create carbon-free hydrogen using nothing but sunlight and photocatalysts
80% Informative
A 100 square meter reactor in Japan produced carbon-free hydrogen for three years .
Direct conversion is still less efficient than the more common method, where photovoltaic panels turn sunlight to electricity first .
But in theory the direct approach could bring production costs down further.
If suitable photocatalysts had an efficiency of 10 percent , more hydrogen for the same amount of sunlight.
If better photocatalysts emerge, researchers will work seriously on the development of mass production technology and gas separation processes.
This will also change the way many people, including policymakers, think about solar energy conversion, he said.
The team’s demonstration of a 100 m reactor is published open access in the journal Nature .
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