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We demonstrated a novel fabrication technique of 3-D biobattery packs by folding or stacking 2-D paper-based biobatteries for their series and/or parallel connections. A stackable, high-performance bacteria-powered battery was developed by folding two functional components (i.e. a conductive hydrophilic reservoir as an anode and a solid electron acceptor as a cathode) integrated into a single sheet...
We created a paper-based microbial fuel cell (MFC) which generated power from human saliva. Upon adding one drop of saliva, the dried exoelectrogens, pre-inoculated in a conductive paper reservoir of the MFC, activated their respiration by oxidizing organic substrates (e.g. glucose) in the saliva and transferring electrons to the anode. The device generated the maximum current density of 10.5μΑ/cm...
We created a 9-cell biobattery stack on paper, which was capable of generating bio-power from microbial metabolism, delivering on-board energy to the next generation of paper-based systems. The developed biobattery stack has competitive advantages over other paper-based batteries in resource-limited and remote regions because water in every environment generally hosts various microorganisms that can...
In this work, we report paper-based microbial fuel cells (MFCs) that produce high power and current densities from one drop of bacteria-containing liquid. The devices feature (i) a simple and versatile fabrication technique by using paper as a substrate and (ii) an exceptional performance by incorporating novel nanostructured polymers, PAA-Poly (amic) acid) and PPDD-Poly(pyromellitic dianhydride-p-phenylene...
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