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Team 10 Jared Huffman, Brianna Bultema, Achyut Shrestha, and Christopher Michaels Introduction and Outline Project Summary Design Status Conclusion Project Summary A Brief Overview Task Breakdown Purpose of a Microbial Fuel Cell Power Management Feeding Power Generation How a Biobattery Works Project Summary Design Status Planning Conclusion Project Summary Schematic courtesy of Derek R. Lovely (Microbial Energizers: Fuel Cells the Keep Going?) Project Summary Design Status Conclusion Design Norms Stewardship Trust Reduce the usage of corrosive chemicals Dependable, Reliable Justice Rights of Non-Users Project Summary Design Status Conclusion Design Case Design Must be less than 30lbs. and small Considering using an Air Cathode design to reduce weight from 65 lbs. for greater portability Have consulted Professor Hozalski at Professor Wonder’s recommendation Project Summary Design Status Conclusion Design Fuel cell arrangement and composition Will use a combination of serial and parallel circuit design Will use Geobacter Metallireducens Lower chance of battery and circuit failure Will use aerobic bacteria for protection against air Close proximity Graphite Mesh for electrode Cellophane membrane Project Summary Design Status Conclusion Design Feeding Project Summary Design Status Conclusion Design Power Management Monitoring Must alert user of excessive current draw and feeding times Must alert user of cell and circuit failure Planning to use an ADC, microprocessor, and LCD Project Summary Design Status Conclusion Design More Power Management Regulation Must output 4.75V-5.25V and 100mA-500mA for USB compatibility Must overcome low current problem Will use the 61000 series regulating chip design from Texas Instruments Must step up voltage to about 5V from about 3.3V Project Summary Design Status Conclusion Testing and Prototyping Have constructed an experimental case with the desired membrane Testing still in progress Nafion membrane second choice Have electrical design almost finalized Will need to test it in lab due to inability to test via computer simulation Project Summary Design Status Conclusion Current Schedule and Expenses No changes in plans for expenses Have spent $10 on parts to test membranes Are on schedule Will have design and testing completed by March 17 Will have presentation ready for industrial consultant on March 19 Project Summary Design Status Conclusion Conclusion Are meeting design norms Progressing on all parts of the design Making progress on testing Need to finalize some portions of the design On schedule and within budget Project Summary Design Status Planning Conclusion Questions and Comments