Authors: Olyveira, Gabriel M.; Kim, Jung Ho; Martins, Marccus V.A.; Iost, Rodrigo M.; Chaudhari, Kiran N.; Yu, Jong-Sung; Crespilho, Frank N.

Source: Journal of Nanoscience and Nanotechnology, Volume 12, Number 1, January 2012 , pp. 356-360(5)

Publisher: American Scientific Publishers

Abstract:

A new approach is described to produce an efficient electrode material for biofuel cells using flexible carbon cloth (FCC) and hollow core-mesoporous shell carbon (HCMSC) nanospheres as bioanode materials. The bio-electrochemical activity of glucose oxidase (GOx) enzyme adsorbed on this bio-anode was evaluated, with the maximum anodic current density varying from 80 μA cm⁻² to 180 μA cm⁻² for glucose concentrations up to 5.0 mmol L⁻¹ for the FCC modified electrode with HCMSCs. The open circuit cell voltage was E⁰ = 380 mV, and the catalytic electro-oxidation current of glucose reached 0.1 mA cm⁻² at 0.0 V versus Ag/AgCl. This new system employing HCMSC-based FCC is promising toward novel bio-anodes for biofuel cells using glucose as a fuel.

Keywords: HOLLOW CORE-MESOPOROUS SHELL CARBON; BIO-ANODE; BIOFUEL CELL; FLEXIBLE CARBON CLOTH ELECTRODE; GLUCOSE OXIDASE

Document Type: Short communication

DOI: http://dx.doi.org/10.1166/jnn.2012.5671

Publication date: 2012-01-01

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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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