The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Mediatorless high-power glucose biofuel cells based on compressed carbon nanotube-enzyme electrodes
Open accessAbstract
Enzymatic fuel cells use enzymes to produce energy from bioavailable substrates. However, such biofuel cells are limited by the difficult electrical wiring of enzymes to the electrode. Here we show the efficient wiring of enzymes in a conductive pure carbon nanotube matrix for the fabrication of a glucose biofuel cell (GBFC). Glucose oxidase and laccase were respectively incorporated in carbon nanotube disks by mechanical compression. The characterization of each bioelectrode shows an open circuit potential corresponding to the redox potential of the respective enzymes, and high current densities for glucose oxidation and oxygen reduction. The mediatorless GBFC delivers a high power density up to 1.3 mW cm−2 and an open circuit voltage of 0.95 V. Moreover, the GBFC remains stable for 1 month and delivers 1 mW cm−2 power density under physiological conditions (5×10−3 mol l−1 glucose, pH 7). To date, these values are the best performances obtained for a GBFC. Glucose biofuel cells can be used to produce clean energy from renewable sources, but their use is limited by poor stability and low power output. In this study, bioelectrodes are fabricated using carbon nanotubes and the resulting biofuel cells have improved stability and power.
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Metadata
- Authors
- Zebda, A., Gondran, C., Le Goff, A., Holzinger, M., Cinquin, P., & Cosnier, S.
- Venue
- Nature Communications
- Published
- 2011-06-28
- Volume
- 2
- Issue
- 1
- Pages
- 370-370
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2013063245
- Cited by
- 615
- References
- 24
- FWCI
- 42.78
- Type
- journal article
- Language
- en
- Open access
- hybrid
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