NDLI: A Microfabricated PDMS Microbial Fuel Cell

Content Provider	IEEE Xplore Digital Library
Author	Siu, C.-P.-B. Mu Chiao
Copyright Year	1992
Abstract	This paper presents a microfabricated polydimethylsiloxane (PDMS) microbial fuel cell (MFC) with embedded micropillar electrodes. This MFC is characterized by a flexible and biocompatible structure suitable for body implantation as a potential power source for implanted bioMEMS devices. The MFC is biocatalyzed by a microorganism, Saccharomyces cerevisiae, which converts chemical energy stored in glucose in the blood stream to electrical energy. The MFC is a laminate design, consisting of 0.2-mum-thick gold-evaporated PDMS anode and cathode separated by a Nafion 117 proton exchange membrane. These electrode surfaces feature more than 70 000 8- mum-high micropillar structures in a 1.2-cmtimes1.0-cm geometric area. The MFC is encapsulated by PDMS and has an overall size of 1.7 cm times 1.7 cm times 0.2 cm and a net weight of less than 0.5 g. Compared with recent silicon micromachined MFCs working in a phosphate buffer medium, the presented MFC with its micropillar structure showed a 4.9 times increase in average current density and a 40.5 times increase in average power density when operated at identical conditions. Using 15-muL droplet of human plasma, containing 4.2-mM blood glucose, the PDMS MFC demonstrated a maximum open circuit potential (OCP) of 488.1 mV, maximum current density of 30.2 muA/cm², and a maximum power density of 401.2 nW/cm². When the MFC operated continuously for 60 min, it showed an average OCP of 297.4 mV, average current density at 4.3 muA/cm², and average power density of 42.4 nW/cm² at 1-kOmega load. The coulombic efficiency of electron conversion from blood glucose was 14.7%.
Sponsorship	IEEE Electron Devices Society American Society of Mechanical Engineering (ASME)
Starting Page	1329
Ending Page	1341
Page Count	13
File Size	1736600
File Format	PDF
ISSN	10577157
Volume Number	17
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fuel cells Sugar Blood Current density Electrodes Microorganisms Chemicals Laminates Anodes Cathodes polydimethylsiloxane (PDMS) Biofuel cell blood glucose human plasma microbial fuel cell (MFC) microfabrication micropillar electrode
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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