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A one-compartment, direct glucose fuel cell for powering long-term medical implants

von Stetten, F. and Kerzenmacher, S. and Lorenz, A. and Chokkalingam, V. and Miyakawa, N. and Zengerle, R. and Ducrée, Jens (2006) A one-compartment, direct glucose fuel cell for powering long-term medical implants. In: MEMS 2006 - 19th IEEE International Conference on Micro Electro Mechanical Systems, 22-26 January 2006, Istanbul, Turkey. ISBN 0-7803-9475-5

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Abstract

We present the operational concept, microfabrication, and electrical performance of an enzyme-less direct glucose fuel cell for harvesting the chemical energy of glucose from body fluids. The spatial concentrations of glucose and oxygen at the electrodes of the one-compartment setup are established by self-organization, governed by the balance of electro-chemical depletion and membrane diffusion. Compared to less stable enzymatic and immunogenic microbial fuel cells, this robust approach excels with an extended life time, the amenability to sterilization and biocompatibility, showing up a clear route towards an autonomous power supply for long-term medical implants without the need of surgical replacement and external refueling. Operating in physiological phosphate buffer solution containing 0.1 wt% glucose and having a geometrical cathode area of 10 cm2, our prototype already delivers 20 µ W peak power over a period of 7 days.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Refereed:Yes
Subjects:Biological Sciences > Microfluidics
DCU Faculties and Centres:Research Initiatives and Centres > Biomedical Diagnostics Institute (BDI)
Published in:Proceedings of the19th IEEE International Conference on Micro Electro Mechanical Systems. . Institute of Electrical and Electronics Engineers. ISBN 0-7803-9475-5
Publisher:Institute of Electrical and Electronics Engineers
Official URL:http://dx.doi.org/10.1109/MEMSYS.2006.1627954
Copyright Information:©2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
ID Code:15471
Deposited On:14 Jul 2010 14:27 by DORAS Administrator. Last Modified 14 Jul 2010 14:27

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