The impact of monochromatic blue and red LED light upon performance of photo microbial fuel cells (PMFCs) using Chlamydomonas reinhardtii transformation F5 as biocatalyst |
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| Institution: | 1. Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Yuan Ze University, No.135, Yuan Tung Road, Chungli, Taoyuan, Taiwan;2. Bio-refinery and Bioprocess Engineering Laboratory, Department of Chemical Engineering, Yuan Ze University, Yuan Ze University, No.135, Yuan Tung Road, Chungli, Taoyuan, Taiwan;1. University of Castilla-La Mancha, Chemical Engineering Department, ITQUIMA, Av. Camilo José Cela S/N, 13071 Ciudad Real, Spain;2. University of Castilla-La Mancha, Chemical Engineering Department, Faculty of Chemical Sciences & Technologies, Building Enrique Costa Novella, Av. Camilo José Cela S/N, 13071 Ciudad Real, Spain;1. Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan;2. Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan;3. Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan 701, Taiwan;4. R&D Center for Membrane Technology, Department of Chemical Engineering, Chung Yuan Christian University, Chungli, Taiwan;1. PK Sinha Centre for Bioenergy, Indian Institute of Technology, Kharagpur 721302, India;2. School of Water Resources, Indian Institute of Technology, Kharagpur 721302, India;3. Department of Civil Engineering, Indian Institute of Technology, Kharagpur 721302, India;1. Separation and Conversion Technologies, VITO-Flemish Institute for Technological Research, Boeretang 200, 2400 Mol, Belgium;2. Genetic Engineering and Biotechnology Research Institute, University of Sadat City (USC), Sadat City, Egypt;3. KACST-Intel Consortium Center of Excellence in Nano-Manufacturing Applications (CENA), Riyadh, Saudi Arabia;4. Institute of Advanced Technology and New Materials, City of Scientific Research and Technological Applications, Borg Elarab, Alexandria, Egypt;1. School of Environment, Northeast Normal University, Changchun 130117, China;2. Jilin Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun 130117, China;3. General Education Center/Master’s Program of Green Energy Science and Technology, Feng Chia University, Taichung 40724, Taiwan |
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| Abstract: | Photosynthetic microbial fuel cells (PMFCs) are devices that convert chemical energy into the form of electricity through the catalytic activity of photosynthetic microorganisms. Power densities produced by the photosynthetic microalgae are greatly dependant on light sources and light intensities because these two factors can affect the chlorophyll formation, photosynthesis processes and stomata opening in the microalgae cells. In the present study, Chlamydomonas reinhardtii transformation F5 was used as biocatalyst in photo microbial fuel cells (PMFCs) and were illuminated with monochromatic blue and red LED lights at various light intensities (100, 300, 600 and 900 lx), respectively. The kinetic analysis was successfully employed to describe the intracellular and extracellular electron transfer mechanism of the cells. The results demonstrate that the performance of PMFCs increased in terms of maximum power density and exchange current density (io) with the tendency of decreasing in internal resistance (Rint) and over potential (η) values as increasing monochromatic blue and red LED light intensities. However the PMFCs performed better under red LED light as compared to operating under blue LED light. The maximum power density can reach 12.947 mW m?2, which could be a potential micro-power supply. |
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