Algae could generate hydrogen for fuel cells

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An image of Chlamydomonas used in the study. Credit: Surzycki et al. 2007 PNAS.
An image of Chlamydomonas used in the study. Credit: Surzycki, et al. © 2007 PNAS.

For several decades, scientists have known that certain species of algae can produce hydrogen in anaerobic conditions. More recently, researchers have been trying to take advantage of this ability to produce hydrogen that could be used by fuel cells to generate electricity—without expensive processes like electrolysis required for splitting water into hydrogen and oxygen.


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