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Biological photovoltaics information


Biological photovoltaics, also called biophotovoltaics[1] or BPV, is an energy-generating technology which uses oxygenic photoautotrophic organisms, or fractions thereof, to harvest light energy and produce electrical power.[2] Biological photovoltaic devices are a type of biological electrochemical system, or microbial fuel cell, and are sometimes also called photo-microbial fuel cells or “living solar cells”.[3] In a biological photovoltaic system, electrons generated by photolysis of water are transferred to an anode.[4] A relatively high-potential reaction takes place at the cathode, and the resulting potential difference drives current through an external circuit to do useful work. It is hoped that using a living organism (which is capable of self-assembly and self-repair) as the light harvesting material, will make biological photovoltaics a cost-effective alternative to synthetic light-energy-transduction technologies such as silicon-based photovoltaics.

  1. ^ Tschörtner, Jenny; Lai, Bin; Krömer, Jens O. (2019). "Biophotovoltaics: Green Power Generation From Sunlight and Water". Frontiers in Microbiology. 10: 866. doi:10.3389/fmicb.2019.00866. ISSN 1664-302X. PMC 6503001. PMID 31114551.
  2. ^ Cite error: The named reference BOM was invoked but never defined (see the help page).
  3. ^ Rosenbaum, Miriam; Schröder, Uwe; Scholz, Fritz (5 February 2005). "Utilizing the green alga Chlamydomonas reinhardtii for microbial electricity generation: a living solar cell". Applied Microbiology and Biotechnology. 68 (6): 753–756. doi:10.1007/s00253-005-1915-4. PMID 15696280. S2CID 687908.
  4. ^ Cite error: The named reference BR12 was invoked but never defined (see the help page).

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