MICRO POWER SOURCES LABORATORY - Home - TU Graz · MICRO POWER SOURCES LABORATORY ... Buoyage system 100 50-60 Glaciere Portable fridge 20-40 100 Biomedical ... LMSE_GRAZ [Lecture

MICRO POWER SOURCES LABORATORY

[email protected]@cea.fr

| 2

• 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

| 3

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

| 4

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

| 5

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

| 6

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

| 7

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

| 8

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

| 9

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

| 10

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

| 11

FIELD OF EXPERTISE

• Materials for PEMFC• Catalyst• Electrodes• MPL• Coating for bipolar plates

Confidential - CEA property

| 1212

COMPARISON COMMERCIAL MICROPOROUSLAYER VERSUS INTEGRATED LAYER

Commercial layer Integrated layer

Confidential - CEA property

| 13

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

| 14

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