Enhancement of Power Output by using Alginate Immobilized Algae in Biophotovoltaic Devices
We report for the first time a photosynthetically active algae immobilized in alginate gel within a fuel cell design for generation of bioelectricity. The algal-alginate biofilm was utilized within a biophotovoltaics (BPV) device developed for direct bioelectricity generation from photosynthesis. A...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
Nature Publishing Group
2017
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/18997/1/Enhancement_of_Power_Output_by_using_Alginate_Immobilized_Algae_in_Biophotovoltaic_Devices.pdf http://eprints.um.edu.my/18997/ http://dx.doi.org/10.1038/s41598-017-16530-y |
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| Summary: | We report for the first time a photosynthetically active algae immobilized in alginate gel within a fuel cell design for generation of bioelectricity. The algal-alginate biofilm was utilized within a biophotovoltaics (BPV) device developed for direct bioelectricity generation from photosynthesis. A peak power output of 0.289 mWm-2 with an increase of 18% in power output compared to conventional suspension culture BPV device was observed. The increase in maximum power density was correlated to the maximum relative electron transport rate (rETRm). The semi-dry type of photosynthetically active biofilm proposed in this work may offer significantly improved performances in terms of fuel cell design, bioelectricity generation, oxygen production and CO2 reduction. |
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