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Improved Power Capability with Pyrolyzed Carbon Electrodes in Micro Direct Photosynthetic/Metabolic Bio-fuel Cell  

Moriuchi, Takeyuki (Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology)
Morishima, Keisuke (Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology)
Furukawa, Yuji (Department of Technology Management, Tokyo University of Agriculture and Technology)
Publication Information
International Journal of Precision Engineering and Manufacturing / v.9, no.2, 2008 , pp. 23-27 More about this Journal
Abstract
As a biofuel source, direct photosynthetic/metabolic biofuel cells (DPBFC) use cyanobacteria whose photosynthesis and metabolization reactions can convert light energy to electricity, In our previous work, we fabricated a prototype micro-DPBFC that could generate a peak current density of $36{\mu}A/cm^{2}$ and a maximum power density of $270nW/cm^{2}$. In this study, we improve on the previous results by using carbon micro electromechanical systems (C-MEMS), formed from the pyrolysis of patterned photoresist, to fabricate carbon electrodes of an arbitrary shape and controlled porosity to increase the surface area. With these new C-MEMS electrodes, the maximum power density of the micro-DPBFC was $516nW/cm^{2}$, a performance twice as good as the results of our previous work.
Keywords
Bio-fuel cell; Photosynthesis; Cyanobacteria; Pyrolyzed carbon; C-MEMS;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
Times Cited By Web Of Science : 4  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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