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Adv. Energy Mater., Version of Record online: 6 NOV 2017 | DOI: 10.1002/aenm.201702261
Flexible and Stretchable Biobatteries: Monolithic Integration of Membrane-Free Microbial Fuel Cells in a Single Textile Layer
Sumiao Pang, Yang Gao and Seokheun Choi*
Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York-Binghamton, Binghamton, NY, USA
*To whom correspondence may be addressed.
Bioelectronics & Microsystems Laboratory, Department of Electrical & Computer Engineering, State University of New York-Binghamton, Binghamton, NY, USA
*To whom correspondence may be addressed.
Abstract
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 μW cm-2 and current density of 52 μA 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.
Keywords : bioelectricity; conductive and hydrophilic textile coating; flexible and stretchable biofuel cells; solid-state cathode; textile-based microbial fuel cells
Keywords : bioelectricity; conductive and hydrophilic textile coating; flexible and stretchable biofuel cells; solid-state cathode; textile-based microbial fuel cells
논문정보
- Research article
- 2017년 11월 (BRIC 등록일 2017-11-21)
- 국외 연구진
- 바이오·의료융합 > 바이오센싱 및 나노바이오물질
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