Development of a biofuel cell using glucose-oxidase- and bilirubin-oxidase-based electrodes |
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Authors: | Jinseong Kim Jeffrey Parkey Christopher Rhodes Anuncia Gonzalez-Martin |
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Affiliation: | (1) Lynntech, Inc., College Station, TX 77840, USA |
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Abstract: | Biofuel cells have a tremendous opportunity to provide much higher energy densities and smaller footprints than batteries for powering implantable medical devices, leading to less intrusive implantable devices with longer lifetimes. This paper introduces biofuel cell anode and cathode designs based on mediated glucose oxidation by glucose oxidase and oxygen reduction by bilirubin oxidase, respectively. We report here the progress toward the development of components for biofuel cells working in physiological conditions. We have investigated enzymatic electrode formulations that have the potential to achieve higher current densities and longer stability of the electrodes: (a) high surface area by the use of multiscale carbon materials, (b) immobilization of redox mediator on the electrode surface, and (c) use of a protective biocompatible polymer coating. Part of this work was presented at the 213th Electrochemical Society Meeting as a poster |
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Keywords: | Biofuel cell Glucose oxidase Bilirubin oxidase |
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