ANDREW KARMAN, 2011 SURF-IT FELLOW GOBIND BISHT, GRADUATE STUDENT DR. MARC MADOU, FACULTY MENTOR DR....
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Transcript of ANDREW KARMAN, 2011 SURF-IT FELLOW GOBIND BISHT, GRADUATE STUDENT DR. MARC MADOU, FACULTY MENTOR DR....
![Page 1: ANDREW KARMAN, 2011 SURF-IT FELLOW GOBIND BISHT, GRADUATE STUDENT DR. MARC MADOU, FACULTY MENTOR DR. LAWRENCE KULINSKY, FACULTY MENTOR Sugar-Powered Fuel.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e875503460f94b8bc4a/html5/thumbnails/1.jpg)
ANDREW KARMAN, 2011 SURF-IT FELLOWGOBIND BISHT, GRADUATE STUDENT DR. MARC MADOU, FACULTY MENTOR
DR. LAWRENCE KULINSKY, FACULTY MENTOR
Sugar-Powered Fuel Cells
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Background
Biological MicroElectroMechanical Systems Implantable electrically-operated devices:
Pacemakers Defibrillators Insulin pumps Drug delivery systems
Power supplies: Primary (non-rechargeable) batteries Secondary batteries
Serious drawbacks in terms of safety, reliability, and scalability
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Objective
Development of biofuel cell: Device to mimic
nature’s method of energy generation Conversion of
biochemical energy into electrical energy
Anodic/Cathodic enzyme Glucose oxidase /
Laccase (0.78V)
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CMEMS Architecture
Attractive features of carbon in electrochemical application Wide electrochemical potential window Good electrical conductivity Chemical and mechanical stability Low cost
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CMEMS Fabrication Process
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Carbon Electrode Functionalization & Enzyme Attachment
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Challenges & Future Outlook
Problems to Overcome: 1) Low cell voltages & power densities 2) Adsorption of interfering species 3) Electrical contact between redox enzymes &
electrode
Prototype in Development: Preliminary results appear promising!
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Questions?