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BugNRG
Student Experiment on DELTA-mission DSM (8s to
ISS)
PRESS - KIT
PIs Renske Rutgers 1st-year bachelor
student Utrecht University
Sebastiaan John de Vet 1st-year bachelor student
Delft University of Technology
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Objectives BugNRG
acquire precision data of the output during
the total discharge of a bacterial fuel cell in
microgravity
Measure and record voltage, current and
container-temperature by time
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Bacterial Fuel Cells (BFCs)
Anaerobic transformation
6 CO2 24 H 24 e-
C6H12O6 (glucose)
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Bacterial Fuel Cells (BFCs)
Possible configurations for flight 1.
Biological system adapted for growth 2.
Biological system adapted for no growth 3.
Combination of (1) and (2)
Bacteria will be grown on electrodes
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Bacteria
Geobacter metallireducens, grown on electrode
material
Rutgers and De Vet et al.
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Expected results
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Design requirements BugNRG
Maximum mass 750 grams Maximum dimensions
15x15x15 cm Launch onboard Soyuz 10 days of
microgravity Retrieval mass lt 150 grams 3
containment levels
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BugNRG experiment facility
Electronics box
Datalogger box (to be retrieved by André Kuipers)
Payload container for fuel cells
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Bacterial Fuel Cells for BugNRG
Custom-made by Dutch Space b.v.
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Datalogger
Sponsored by Veriteq Instruments Inc.
(Canada) SP-4000 specially adapted for flight to
ISS Non-volatile 105K x 8 EEROM 70,000 12-bit
samples 0-2 mA, resolution of 0,5 µA,
accuracy of 0,15 F.S. at 25C Data retention
gt 20 years backup without power
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Data handling
- 2x Output fuel cells - Temperature probe

• - 2x Voltage channel
• 2x Current channel- Temperature channel
• - Common

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Electronics
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Planned activities
Random Positioning 2D clinostaat Centrifuge
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Support BugNRG
production fuel cells, design containment
2 sponsoring of dataloggers, temperature probes
and additional supplies use of test facilities
(e.g. RPM and MidiCAR) microbial
support production, electronics and
chemicals laptop, website
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More info
For more info or for footage Renske
Rutgers r.rutgers_at_students.uu.nl Sebastiaan de
Vet s.j.devet_at_student.tudelft.nl http//phys.uu.
nl/bugnrg No images, drawings and lay-out
features from this document may be reproduced
without consent of the PIs