Japanese researchers have developed a new technique using sunlight to generate hydrogen fuel with a 5% yield.
More work is needed if we are to break the 5% efficiency barrier, but the team is confident this will be possible in the future.Japanese scientists have developed a new means of cracking water into hydrogen fuel using sunlight. Using a special photocatalyst, this new technology could help usher in cheaper, more abundant, and sustainable hydrogen fuel for various applications.
“Sunlight-driven water splitting using photocatalysts is an ideal technology for solar-to-chemical energy conversion and storage, and recent developments in photocatalytic materials and systems raise hopes for its realization,” Prof Kazunari Domen of Shinshu University, senior author of the article inThe basic principle behind the new process is to split water into oxygen and hydrogen.
“But by storing the energy of sunlight as the chemical energy of fuel materials, it is possible to use anytime and anywhere,” he added.
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