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Study of enzymatic nancatalyst activated by carbon nanotubes e metallic nanoparticles for biofuel cell


Biofuel cell is a strategy for clean and efficient energy production . Biofuel cells is a particular case of fuel cells in which biocatalysts are used to catalyze reactions at the electrode . The fuel biocells provide means to obtain clean, renewable energy and have great potential for maybe , in near future be used as alternative energy sources for low power electronic devices . Even with very promising characteristics, enzymatic fuel biofuel present many challenges to reach a stage of practical application. Some key issues in the development of these devices , such as lifetime , stability of enzymes , achieving higher power densities generated , overcoming difficulties in the electrons transfer between enzymes and electrodes , as well as improving techniques for enzyme immobilization are still important research objects . Some of the new trends in catalysts for fuel include the incorporation of nanoscale materials such as carbon nanotubes , nanofibers , nanocomposites , besides the incorporation of metal nanoparticles to bioeletrodos . Based on latest works in the literature on the development of these devices , the central focus of this research project is the development of hybrid nanocatalysts containing enzymes , carbon nanotubes and metallic nanoparticles for biofuel cells using two platforms for enzyme immobilization the PAMAM dendrimer and modified Nafion ® membrane. This pproject proposes the preparation of different compositions of biocathode C / laccase , O2 and bioanodes: C / alcohol dehydrogenase enzyme , ethanol targeting to increase the efficiency of electron transfer and stability of the enzyme . (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
AQUINO NETO, SIDNEY; MILTON, ROSS D.; HICKEY, DAVID P.; DE ANDRADE, ADALGISA R.; MINTEER, SHELLEY D. Membraneless enzymatic ethanol/O-2 fuel cell: Transitioning from an air-breathing Pt-based cathode to a bilirubin oxidase-based biocathode. Journal of Power Sources, v. 324, p. 208-214, AUG 30 2016. Web of Science Citations: 18.

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