Transcript Short overview of the project aims in PDF

Multi-field and multi-scale Computational
Approach to design and durability of
Photovoltaic Modules
Prof. Marco Paggi
Multi-scale Analysis of Materials – MUSAM
[email protected]
www.imtlucca.it/marco.paggi
http://musam.imtlucca.it
Research team, 28/09/2014
Prof. M. Paggi, Associate Professor, IMT Lucca
• Dr. C. Borri, Post-doc, IMT Lucca
• Dr. P. Ramaiah, Post-doc, IMT Lucca
• Mr. P. Lenarda, PhD student, IMT Lucca
• Ing. P. Cinat, PhD student, IMT Lucca
• Dr. M. Corrado, Assistant Prof., PoliTO & Marie Curie Fellow at EPFL
• Ing. A. Infuso, PhD student, PoliTO & Visiting Scholar at Paris-Est
• Ing. I. Berardone, PhD student, PoliTO & Visiting scholar at ISFH
• Dr. J. Reinoso, Visiting Professor, ISD, Hannover, Germany
Research on photovoltaic modules
Durability of PV modules
• Development of multi-physics & multi-scale models
• Interpretation and revision of standard qualification tests
• Development of innovative multi-scale qualification tests
Design of innovative PV modules
• Optimization of PV modules against cracking
• Govern fracture to produce thin-film solar cells
• Optimization of PV modules for disassembling (recycling)
Multi-physics approach
Thermo-elastic coupling
Elastic
field
Thermal
field
Electro-thermo-elastic
coupling
Electro-elastic
coupling
Electric
field
Thermo-electric
coupling
• Thermo-elastic coupling: coupling due to thermoelasticity
• Thermo-electric coupling: coupling in the semiconductor eqs
• Electro-elastic coupling: coupling due to microcracks
Multi-scale computational approach
Macro-model:
Micro-model:
• Multi-layered plate
• Compute displacements
• Compute power-loss
• Heterogeneous with interfaces
• Micro-cracks
• Compute inactive area
I
Iph
D
Rs
Rp
V
Displacement BCs,
thermal field
Updated stiffness,
thermal properties,
inactive cell area
Numerical simulation: cracks due to
snow pressure, inactive cell areas
Numerical simulation:
cooling of a cracked solar cell
Crack
Experimental activity: MUSAM-LAB
Multi-scale Analysis of Materials Laboratory
Ex Officina Aromataria Convento San Francesco (XIII Century)
Impact tests / cyclic loading / vibrations
Accelerated climate tests
Electroluminescence
monitoring of cracking
0 cycles
200 cycles
300 cycles
400 cycles
Multi-scale qualification tests
10x
100x
Design of innovative PV modules
Controlled
thermo-elastic
spalling to produce
super-thin solar cells
10x
Optimization100x
of PV
layers against
cracking
Improve disassembly
operations
International collaborations
& industrial endorsement
Institute for Solar Energy Research
Hamelin (Germany)
Institute of Structural Analysis - ISD
Leibniz University of Hannover (Germany)
International Energy Association
Photovoltaic Power Systems Programme (PVPS)
Task 13 on Performance and Reliability of Photovoltaic Systems
www.iea-pvps.org
Solbian Energie Alternative S.r.l., Avigliana (Italy)