hydrogen energy and its storage
TRANSCRIPT
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Hydrogen Energy and its storage
Krakow, 9th May 2008
Hydrogen Energy and its storageOverview on the activity of
the Laboratory of Applied Mechanicsin this field of research
D. Chapelle (Professor Assistant)LMARC, Institut FEMTO ST, UMR 6174
24 rue de l'Epitaphe25000 Besançon, FRANCE
e-mail: [email protected]
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Contents
Context
Krakow, 9th May 2008
Context
Hydrogen set of problems
Hydrogen storage carriers
Challenges for transportationChallenges for transportation
Research activity examples
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- pollution by emission of green-house effect gas
Context
Krakow, 9th May 2008
A worrying situation???
- a scheduled collapse of fossil fuel energy
… renewable energy carriers
and hydrogen is a promising one!!
2005 Hydrogen Market, Hydrogen R&D and Commercial Implication in The U.S. and E.U. Fuji-Keizai USA, Inc., May 2005
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Hydrogen set of problems
Krakow, 9th May 2008
H2
Production
Transportation
Distribution
Storage
Utilization
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Hydrogen storage carriers
Krakow, 9th May 2008
Solid... Material-based storage
Liquid... very low temperature
Gaseous... high pressure
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Absorption: metal hydrides
Materials-based hydrogen storage•P-C Isotherms
Ln(P H
2)
Krakow, 9th May 2008
Adsorption : active coal, carbon nanotubes or nanofibers
Chemical reaction: Hydrolysis : NaBH4 + 2 H2O <--> NaBO2 + 2 H2 (Sodiumhydridoborate)
Hydrogenation : C10H18 <--> C10H8 + 5 H2 (Dimethyl Propylmethane)
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Advantages : - safety (low pressure and temperature)
Materials-based hydrogen storage
Krakow, 9th May 2008
- stability
Drawbacks : - cost (rare components, catalyst)
- technological breakthrough- technological breakthrough
- weight (hydrides)
- off-board regeneration
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Method : gas is compressed
Gaseous hydrogen storage
Krakow, 9th May 2008
Method : gas is compressed5000-10000 PSI
Advantages : - a well-known technology
- acceptable refueling time
Drawbacks : - low volumetric densityDrawbacks : - low volumetric density
- HP requires specific equipements
- 10% heating power
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Cryogenic hydrogen storage
Method : hydrogen is liquefied
Krakow, 9th May 2008
Method : hydrogen is liquefied20 K
Advantages : - a good volumetric density
- refueling technology is acquired
Drawbacks : - boil-off phenomenon (1%/day)Drawbacks : - boil-off phenomenon (1%/day)
- Cryogeny requires specific equipements
- 30% heating power
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Storage carriers comparison
Krakow, 9th May 2008
Unreachable target ??!!
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For transportation... 500 km requires 5 kg H2
Weight and volume... to be reduced
Hydrogen storage challenges
Krakow, 9th May 2008
Weight and volume... to be reduced
Efficiency... to be increased
Durability... lifetime of 1500 cycles
Refueling time... less than three minutes
Cost... cheaper materials and compounds
Codes and standards... must be established
Analysis of the full life-cycle is missing
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Optimization of a Type III hydrogen storage vessel (1)
Research activity examples
Krakow, 9th May 2008
Optimization of a Type III hydrogen storage vessel (1)
Design of a hybrid storage tank (2)
…
LMARC, Institut FEMTO STLMARC, Institut FEMTO STP2M departement
D. Chapelle, D. Perreux, F. Thiébaud...
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What is a type III hydrogen storage vessel?
Research activity examples (1)
Krakow, 9th May 2008
Metal liner Polymeric linerCEA/DAM
10 cm Samtech
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What is the goal?
Krakow, 9th May 2008
Research activity examples (1)
Development of a tank reinforced by composite
- in use pressure : 10000 PSI (70 Mpa)
- gravimetric density : 6%
- metal liner : stainless steel or aluminium alloy- metal liner : stainless steel or aluminium alloy
- burst pressure : 23500-30000 PSI
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The industrial approach
Krakow, 9th May 2008
Research activity examples (1)
is based on time considerations
Polar winding Circumferencial winding
The winding angle depends on the liner geometry
AXIAL LOADING HOOP LOADING
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Simple mechanical analysis
Krakow, 9th May 2008
Research activity examples (1)
Optimal winding angle is 55°
Thin shell under internal pressure with close-end effect
σzz
σθθ
α
σ1
Strength equilibrium: (σθθ / σzz) = 2σθθ = Pressure . Radius / thickness
σzz = Pressure . Radius / (2 . thickness)
σzz = σ1 cos² ασθθ = σ1 sin² αIt means… tan² α = 2
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First objective
Krakow, 9th May 2008
Research activity examples (1)
Develop experimental techniques
- to get Type III pressure storage vessel
- to test these prototypes under internal pressures
Comparison with numerical tools
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Manufacturing process (1)
Krakow, 9th May 2008
Research activity examples (1)
Type III gas storage vesselSeamless
metal barrier
reinforced by Deep drawing of cylindrical plate
Tubes spinning
Filament winding
Composite
Tubes spinning
Hydroforming
(carbon, glass fibre…)
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Manufacturing process (2)The liner Filament winding
Krakow, 9th May 2008
Research activity examples (1)
The liner Filament winding
R0 = 33 mm
e = 2 mm
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Some results
Krakow, 9th May 2008
Axial strain 2 4 6
Hoop strain 1 3 5
GaugesResearch activity examples (1)
9 carbon layer composite on an aluminum linerBurst pressure: 780 bars
Volume 0.8 litre
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Second objective
Krakow, 9th May 2008
Research activity examples (1)
Analytic modelling of the cylindrical section of a high pressure gas storage for thermomechanical loading
Numeric tool to design vessel structures combining a metal liner and a composite laminate (stiffness)
(Type III hydrogen storage tank)
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Mechanical analysis (1)
Krakow, 9th May 2008
Research activity examples (1)
Structure parameters
- liner inner radius R0, thickness e
- layers ns, kth layer thickness ep(k), the stacking sequence
Mechanical behaviourMechanical behaviour
- liner : elastic-plastic material (von Mises)
- composite : CLT, damageable, Tsai-Wu failure
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Mechanical analysis (2)
Krakow, 9th May 2008
Research activity examples (1)
Boundaries conditions
Specific displacement field:
- u=u(r), v=v(r,z), w=w(z)
- constant axial strain along radial direction
- no dependency of εzθwith z coordinate Linear problem
A.X = BBoundaries conditions
- radial displacement and stress continuity
- internal pressure with close-end effect
A.X = B
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C/E composite
Krakow, 9th May 2008
Research activity examples (1)
G/E composite
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C/E composite
Krakow, 9th May 2008
Research activity examples (1)
G/E composite
Strain-stress evolution
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Research activity examples (2)
Krakow, 9th May 2008
Design of a hydride storage tankPr. Figiel, N.B. Selvaraj
01
2
2
=−+
+
tk
g
rrr ∂∂θλ
∂∂θ
∂θ∂
λρ PC
k =
Θ Temperature, °CCp Heat capacity, J kg-1 K-1
h Heat transfer coefficient W m-2 K-1
t Time, secρ Material densityλ Thermal conductivityg Heat sources
( ) jijijii
jijijiji k
gr
r
r
r
t,
1
2,,1,,1,12
11, 2 θθθθθθ
λθ +
∆+−∆+−+
∆∆= +−++
Explicit resolution
λg Heat sources
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Research activity examples (2)
Krakow, 9th May 2008
( )btt
bQg −
= exp2
From experimental data of absorption at 20, 50 and 80°C… LaNi4.78Sn0.22
( )bb
250 and 80°C… LaNi4.78Sn0.22
Heat sources are assumed under the form…
39 /104.3 mJQ ×=LaNi4.78Sn0.22 + nH2 ���� LaNi4.78Sn0.22H2n + QQ
Profiles of heat produced during absorption.a) Temperature dependence, b) Temperature dependency of b coefficient.
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Research activity examples (2)
Krakow, 9th May 2008
Simulation of LaNi4.78Sn0.22 absorption for a radius bed of 40 mm and a thickness tank of T mma) Absorption rate versus time, b) Temperature profile versus time
T = 12 mm
T = 24 mm
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Research activity examples (2)
Krakow, 9th May 2008
Experimental investigations on various geometry of tankTemperature measurements on the external surfaceTemperature measurements on the external surface
Seivert apparatus in the LMARC Hydride tank Hydrogen bottle
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Research activity examples (3)
Krakow, 9th May 2008
Conception d’un réservoir hybride de stockage intégrant les technologies de stockage solide et gazeux
Modélisation thermodynamique et cinétiques d’absorption d’hydrogène associées aux
solide et gazeux
Thesis Marko Feldic, HyTrain programCNR Florence, M. ZoppiCEA Grenoble, O. Gillia
Modélisation thermodynamique et cinétiques d’absorption d’hydrogène associées auxtransformations de phase
Thesis Germain GondorPr. Christian Lexcellent
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Original equipments
Krakow, 9th May 2008
High pressure hydrogen equipment : 800 bars
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Conclusions
- not only one energy carrier, not only one way to store hydrogen
Krakow, 9th May 2008
- many improvements (almost on materials)
- solutions for future will depend on the investments
http://www.hydrogennow.orghttp://www.hydrogenus.com/http://www.hydrogenus.com/http://www.imr.salford.ac.uk/hytrain/http://www.eere.energy.gov/http://www.storhy.net/http://www.afh2.orghttp://www.h2eco.org/
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Krakow, 9th May 2008
Thank you for your attention!!