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Author |
Pankratova, G.; Bollella, P.; Pankratov, D.; Gorton, L. |
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Title |
Supercapacitive biofuel cells |
Type |
A1 Journal article |
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Year |
2022 |
Publication |
Current opinion in biotechnology |
Abbreviated Journal |
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Volume |
73 |
Issue |
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Pages |
179-187 |
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Keywords |
A1 Journal article; Engineering sciences. Technology; Antwerp Electrochemical and Analytical Sciences Lab (A-Sense Lab) |
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Abstract |
Supercapacitive biofuel cells' (SBFCs) most recent advancements are herein disclosed. In conventional SBFCs the biocomponent is employed as the pseudocapacitive component, while in self-charging biodevices it also works as the biocatalyst. The performance of different types of SBFCs are summarized according to the categorization based on the biocatalyst employed: supercapacitive microbial fuel cells (sMFCs), supercapacitive biophotovoltaics (SBPV) and supercapacitive enzymatic fuel cells (s-EFCs). SBFCs could be considered as promising 'alternative' energy devices (low-cost, environmentally friendly, and technically undemanding electric power sources etc.) being suitable for powering a new generation of miniaturized electronic applications. |
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Wos |
000760339100024 |
Publication Date |
2021-09-01 |
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ISSN |
0958-1669 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
OpenAccess |
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no |
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Call Number |
UA @ admin @ c:irua:187287 |
Serial |
8937 |
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Author |
Pankratov, D.; Hidalgo Martinez, S.; Karman, C.; Gerzhik, A.; Gomila, G.; Trashin, S.; Boschker, H.T.S.; Geelhoed, J.S.; Mayer, D.; De Wael, K.; Meysman, F.J.R. |
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Title |
The organo-metal-like nature of long-range conduction in cable bacteria |
Type |
A1 Journal article |
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Year |
2024 |
Publication |
Bioelectrochemistry: an international journal devoted to electrochemical aspects of biology and biological aspects of electrochemistry |
Abbreviated Journal |
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Volume |
157 |
Issue |
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Pages |
108675-10 |
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Keywords |
A1 Journal article |
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Abstract |
Cable bacteria are filamentous, multicellular microorganisms that display an exceptional form of biological electron transport across centimeter-scale distances. Currents are guided through a network of nickel-containing protein fibers within the cell envelope. Still, the mechanism of long-range conduction remains unresolved. Here, we characterize the conductance of the fiber network under dry and wet, physiologically relevant, conditions. Our data reveal that the fiber conductivity is high (median value: 27 S cm−1; range: 2 to 564 S cm−1), does not show any redox signature, has a low thermal activation energy (Ea = 69 ± 23 meV), and is not affected by humidity or the presence of ions. These features set the nickel-based conduction mechanism in cable bacteria apart from other known forms of biological electron transport. As such, conduction resembles that of an organic semi-metal with a high charge carrier density. Our observation that biochemistry can synthesize an organo-metal-like structure opens the way for novel bio-based electronic technologies. |
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Publication Date |
2024-02-25 |
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ISSN |
1567-5394 |
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Additional Links |
UA library record |
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Impact Factor |
5 |
Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: 5; 2024 IF: 3.346 |
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Call Number |
UA @ admin @ c:irua:205117 |
Serial |
9215 |
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Permanent link to this record |