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Carbon Nanofiber/Polypyrrole Nanocomposite as Anode Material in Microbial Fuel Cells

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A conducting polymer-carbon nanofiber-based nanocomposite was developed as an efficient microbial fuel cell (MFC) anode for the production of bioenergy using a microbial catalyst. The activated carbon nanofiber (ACNF), with and without carbon nanotubes (CNTs) embedded in them were prepared by stabilizing and activating the non-woven web of the polyacrylonitrile (PAN)-based carbon nanofibers prepared by electrospinning. The polypyrrole (PPy)-coated ACNF/CNT (PPy-ACNF/CNT) nanocomposites were synthesized by an in-situ chemical polymerization, and the electrochemical properties and performance of the modified anode when used in an MFC system were then evaluated. The power density of the PPy-ACNF/CNT nanocomposite anode showed a 1.8 fold increase as compared to that of the commercial graphite felt. The high electrode conductivity, stability, and biocompatibility of the modified anodes make them attractive for the practical MFC applications.
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Keywords: Carbon Nanofiber; Carbon Nanotube; Microbial Fuel Cell

Document Type: Research Article

Affiliations: 1: Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea 2: College of General Education, Chosun University, 309 Pilmoon-daero, Dong-gu, Gwangju, 61452, Republic of Korea

Publication date: August 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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