Journal
ADVANCED ENERGY MATERIALS
Volume 8, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201702261
Keywords
bioelectricity; conductive and hydrophilic textile coating; flexible and stretchable biofuel cells; solid-state cathode; textile-based microbial fuel cells
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Funding
- NSF (ECCS) [1503462]
- Binghamton University Research Foundation (Smart Energy TAE)
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1503462] Funding Source: National Science Foundation
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The fabrication and performance of a flexible and stretchable microbial fuel cell (MFC) monolithically integrated into a single sheet of textile substrate are reported. The single-layer textile MFC uses Pseudomonas aeruginosa (PAO1) as a biocatalyst to produce a maximum power of 6.4 mu W cm(-2) and current density of 52 mu A cm(-2), which are substantially higher than previous textile-MFCs and are similar to other flexible paper-based MFCs. The textile MFC demonstrates a stable performance with repeated stretching and twisting cycles. The membrane-less single-chamber configuration drastically simplifies the fabrication and improves the performance of the MFC. A conductive and hydrophilic anode in a 3D fabric microchamber maximizes bacterial electricity generation from a liquid environment and a silver oxide/silver solid-state cathode reduces cathodic overpotential for fast catalytic reaction. A simple batch fabrication approach simultaneously constructs 35 individual devices, which will revolutionize the mass production of textile MFCs. This stretchable and twistable power device printed directly onto a single textile substrate can establish a standardized platform for textile-based biobatteries and will be potentially integrated into wearable electronics in the future.
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