Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 13, Issue 7, Pages 2064-2068Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ee00993h
Keywords
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Funding
- National Key R&D Program of China [2016YFA0400900, 2016YFA0201200]
- National Natural Science Foundation of China [21722310, 21675167, 31571014]
- Open Large Infrastructure Research of Chinese Academy of Sciences
- Fundamental Research Funds for the Central Universities
- K. C. Wong Education Foundation
- CAS
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Photobiological hydrogen generation is among the most promising routes for the mass production of hydrogen energy. However, the cost and sustainability of photobiological methods largely hamper their large-scale commercial production. Here, we design an anaerobic environment with a constant near-neutral pH for the sustainable induction of green algae flocculation by engineering a robust chemoenzymatic cascade system consisting of glucose, glucose oxidase, catalase, and magnesium hydroxide. We found thatChlamydomonas reinhardtiicould stably produce hydrogen in this engineered photobiological system for nearly a month, with an average rate of 0.44 mu mol H(2)h(-1)(mg chlorophyll)(-1). This study thus opens a new avenue to photobiological hydrogen production at industrial scales for promising liquid sunshine applications.
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