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Transcript of MICRO POWER SOURCES LABORATORY - Home - TU Graz · MICRO POWER SOURCES LABORATORY ... Buoyage...
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• Miniaturized energy sources based on fuel cell technologies
• Planar fuel cell core
• Portable hydrogen storage• Hydrolysis and thermolysis of chemical hydride• Metallic hydride
• Portable system• Nomad charger
• Hybrid energy sources
FIELD OF EXPERTISE
Confidential information
Module µPAC 5W
A4 planar module – 100 W
5 W Nomad charger
15 W fuel cell system
• Materials for PEMFC• Catalyst , electrodes• WML• Coating for bipolar plates
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APPLICATIONS
SmartPhone
5
MP3
1
Digital camera
2
Cordless Tool
40-50
Laptop
20-40GPS
5 - 10
10 5001
Power range(Watts)
50
Tablets
10 Drone
200
Electric bikes
60
Monitoring systems
5-25
100_200
Buoyagesystem
100
50-60
Glaciere
Portablefridge
10020-40
Biomedical
Videosurveillance
10
Confidential - CEA property
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The Laboratory design and develop components (hydrog en cartridge and fuel cell core) as well as the integrated syste m allowing
the delivery of energy on demand
Hydrogen cartridge
Planar fuel cell core
FUEL CELL BASED PORTABLE ENERGY SYSTEM
Confidential - CEA property
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LA CARTOUCHE
NaBH4 + 4 H2O => 4 H2 + NaBO2 . 2 H2O
(chemical hydride in solution)
H2 GENERATION :
On demand,At low pressure (safe cartridge),Low cost (passive system),Functional in all orientationsEnergy available from 30 to 500 WhPossible onsite filling for logistic issueNo self-discharging / No maintenance
THE HYDROGEN CARTRIDGE
Confidential information
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LA MICROPILE
Planar µfuel cell 5 – 10 W:
� Low cost conformable plastic substrate
� No screw, no end plate
� Thin layer for electron collecting integrated
into the MEA,
µfuel cell core assembly:
� Power = x * Modules
� Serial or parallel connection depending on the
requirements
� Specific integration of fan for thermal
optimization functioning
Fuel cell core
Confidential information
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INTEGRATION OF PLANAR FUEL CELL CORE
• Depending on the integration constraint• Fully planar• Or stacking
• Power range between 10 W to 1kW• Integration of thermal management issue to
ensure constant power in a wide rangetemperature
A4 planar fuel cell prototypeThickness < 1 mm
200 WFuel cell prototype with planar fuel cell core stacking
Up to 500 W
20 W Fuel cell system funtioningbetween -20°C and 44°C
Confidential information
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ENERGY SOURCE FOR MILITARY APPLICATION
Confidential information
Fuel cell – Li-ion battery hybridized technology360 Wh – 15 WTwice less weight compare to the actual Li-iontechnologyFunctioning with nominal performances betweenNo self dischargeNo special storage conditionsCartridge can be shipped empty : 720Wh/kgCheaper compare to Li primary battery
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µFC platform 250 m²
Printing equipment and fuel cell assembly
Specific nanomaterials laboratory for catalyst preparation and
electrode process
Fuel cell test laboratory
H2 permeation measurements
Impedance spectroscopy
30 fuel cell channel tests
DEDICATED FACILITIES TO ΜICRO FUEL CELL TECHNOLOGY
Confidential - CEA property
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Hydrogen storage material laboratory 250 m²
Intermetallic synthesis, powders platform for complex
hydrides synthesis
Prototyping hydrogen cartridge line
Specific analytical chain to measure thermal properties of
materials under H2 pressure with purity analyzer
9 fume hoods for catalyst synthesis, fuel formulation and
characterization
Test bench for tank or cartridge evaluation
Equipment for chemical/structural and morphological
characterization
Sievert apparatus for metallic hydride
DEDICATED FACILITIES TO HYDROGEN MATERIAL
Confidential - CEA property
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FIELD OF EXPERTISE
• Materials for PEMFC• Catalyst• Electrodes• MPL• Coating for bipolar plates
Confidential - CEA property
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COMPARISON COMMERCIAL MICROPOROUSLAYER VERSUS INTEGRATED LAYER
Commercial layer Integrated layer
Confidential - CEA property
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PT BASED CATALYSTS, DLI-MOCVD
Confidential - CEA property
Depending from process parameters- Penetration depth adjustable,- Size of the Pt Nps adjustable
Journal of Power Sources 195 (2010) 2737–2746
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PROTECTIVE COATING FOR BIPOLAR PLATES
Confidential - CEA property
For HT-PEMFC, coating to protect bipolar plates (stainless steel, Inconel)
Various materials: precious metal to carbone coatings
- Techniques magnetron sputtering: gold, tantalum, - Ebeam evaporation, a-carbone- Catalytic CVD carbone based coatings- Printing techniques (roller blades, spraying): carbone composites
octobre 2013 - LITEN
Thank you
Nanomaterials Technologies Department
Nomad Power Sources and Printed Components Service
French Alternative Energies and Atomic Energy Commission
17 rue des martyrs | F-38054 Grenoble Cedex 9 - France
T. +33 4 38 78 23 22 | Mobile : +33 44 31 98 32 | F. +33 4 38 78 51 17
[email protected] www-liten.cea.fr
