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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Santoro, Carlo Soavi, Francesca Arbizzani, Catia Serov, Alexey Atanassov, Plamen |
| Description | Country affiliation: United States Author Affiliation: Santoro C ( Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, NM 87131, USA.); Soavi F ( Department of Chemistry 'Giacomo Ciamician', Alma Mater Studiorum - Università di Bologna, Via Selmi, 2, 40126 Bologna, Italy. Electronic address: francesca.soavi@unibo.it.); Serov A ( Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, NM 87131, USA.); Arbizzani C ( Department of Chemistry 'Giacomo Ciamician', Alma Mater Studiorum - Università di Bologna, Via Selmi, 2, 40126 Bologna, Italy.); Atanassov P ( Department of Chemical & Biological Engineering, Center for Micro-Engineered Materials (CMEM), University of New Mexico, Albuquerque, NM 87131, USA. Electronic address: plamen@unm.edu.) |
| Abstract | In this work, for the first time, we demonstrate a supercapacitive microbial fuel cell which integrates the energy harvesting function of a microbial fuel cell (MFC) with the high-power operation of an internal supercapacitor. The pursued strategies are: (i) the increase of the cell voltage by the use of high potential cathodes like bilirubin oxidase (BOx) or iron-aminoantipyrine (Fe-AAPyr); (ii) the use of an additional capacitive electrode (additional electrode, AdE) which is short-circuited with the MFC cathode and coupled with the MFC anode (MFC-AdE). The high working potential of BOx cathode and the low impedances of the additional capacitive electrode and the MFC anode permitted to achieve up to 19 mW (84.4 Wm(-2), 152 Wm(-3)), the highest power value ever reported for MFCs. Exploiting the supercapacitive properties of the MFC electrodes allows the system to be simpler, cheaper and more efficient without additional electronics management added with respect to an MFC/external supercapacitor coupling. The use of the AdE makes it possible to decouple energy and power and to achieve recharge times in the order of few seconds making the system appealing for practical applications. |
| ISSN | 09565663 |
| Volume Number | 78 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-04-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bioelectric Energy Sources Biosensing Techniques Electrodes Ampyrone Chemistry Electricity Iron Oxidoreductases Acting On Ch-ch Group Donors Oxygen Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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