Dipartimento di Chimica, Materiali e
Ingegneria Chimica “Giulio Natta” (CMIC)
Materials for Energy and Environment Group
Mat4En2 Laboratory
Research Fields
FUEL CELLS
PEM-FCs
SOFCs
ORGANOCLAYS
HYBRID ORGANIC-INORGANIC MATERIALS
LIFE CYCLE ANALYSIS
MATERIALS
PREPARATION
&
CHARACTERIZATION
SUSTAINABILITY AND
GREEN PRODUCT
DESIGN
People
Prof. Giovanni Dotelli
Prof. Cinzia Cristiani
Prof. Antonino Giarrusso
Dr. Paola Gallo Stampino,
staff researcher
Dr. Luca Zampori,
temporary researcher
Dr. Renato Pelosato,
temporary researcher
Dr. Saverio Latorrata,
temporary researcher
Dr. Luca Omati,
PhD student
Research Fields
FUEL CELLS
PEM-FCs
SOFCs
ORGANOCLAYS
MATERIALS
PREPARATION
&
CHARACTERIZATION
HYBRID ORGANIC-INORGANIC MATERIALS
LIFE CYCLE ANALYSIS
SUSTAINABILITY AND
GREEN PRODUCT
DESIGN
Polymer Electrolyte Membrane Fuel Cells
PEM COMPONENTS MATERIALS
 Polymeric Membranes
• physicochemical and electrical characterization*
 Gas Diffusion Layers (GDL)
• Microporous layers Formulation
• Rheologic characterization of inks
• Deposition (Spray, Doctor Blade)
• Microstructural and electrical Characterization
 Catalytic Layer
• In cooperation with Malaga University (Spain), development of
new catalysts
• Deposition, microstructural and electrical characterization
 Modeling and Simulation of Cell performance
*Cooperation with Pavia University for future development of new polymer electrolyte materials
Typical MPL preparation route
MPL
Ink formulation
R = 0.0575 (g/g)
100
viscosity (Pa*s)
10
1
0.1
0.01
Thermal
treatment
1E-3
1
10
100
shear rate s
1000
-1
rheology
deposition
PEM TEST BENCH
-0.8
1A
3A
7A
-0.7
Z'' (Ohm/cm )
-0.6
Impedance
Spectroscopy
2
-0.5
-0.4
-0.3
-0.2
-0.1
0
0
0.2
0.4
0.6
0.8
Z' (Ohm/cm2)
1
1.2
1.4
1.6
CURVA DI POLARIZZAZIONE
1
0,9
Potenziale [V]
0,8
0,7
Polarization
curves
0,6
0,5
0,4
0,3
0,2
0,1
0
0
200
400
600
800
Densità di corrente [mA/cm2]
Sperimentale
AC Perturbation
+
VAC
-
IAC
Solartron SL1260
Electronic Load
Simulato
1000
1200
Research Fields
FUEL CELLS
PEM-FCs
SOFCs
MATERIALS
PREPARATION
&
CHARACTERIZATION
ORGANOCLAYS
HYBRID ORGANIC-INORGANIC MATERIALS
LIFE CYCLE ANALYSIS
SUSTAINABILITY AND
GREEN PRODUCT
DESIGN
Solid Oxide Fuel Cells
SOFCs COMPONENTS MATERIALS
•
Preparation techniques for SOFC Materials
•
Structural and microstructural characterization




•
X-Ray Diffraction (XRD)
InfraRed Spectroscopy (FT-IR)
ThermoGravimetric analysis (TG)
Scanning Electron Microscopy (SEM)
Electrical Characterization

Impedance Spectroscopy (IS) in cooperation with Milano Bicocca
University
SOFC Materials preparation route
MPL
Impedance
Spectroscopy
Co-precipitation synthesis
10
20
30
40
50
60
70
80
2 Theta
Structural and
microstructural
characterization:
Rietveld and SEM-EDS
Thermal treatment
Standard characterization: XRD, TG, IR
Research Fields
FUEL CELLS
PEM-FCs
SOFCs
MATERIALS
PREPARATION
&
CHARACTERIZATION
ORGANOCLAYS
HYBRID ORGANIC-INORGANIC MATERIALS
LIFE CYCLE ANALYSIS
SUSTAINABILITY AND
GREEN PRODUCT
DESIGN
ORGANOCLAYS
•
Preparation of modified clays


•
Structural and microstructural characterization




•
X-Ray Diffraction (XRD)
InfraRed Spectroscopy (FT-IR) in cooperation with Genova University
ThermoGravimetric analysis (TG)
Scanning Electron Microscopy (SEM)
Sorption characterization

•
Quaternary ammonium salt exchanged (ionic)
Polymers exchanged (non ionic)
Adsorption / desorption isotherms in cooperation with Perugia University
Fields of interest


Environmental
Biomedical and Biological
Organoclays
Nitrobenzene (NB)
NB
600
Cs (g/kg)
500
400
300
200
100
0
0
500
1000
1500
2000
Cw (ppm)
Orthochlorophenol (OCP)
300
+
Cs (ppm)
250
200
150
100
50
0
0
1000
2000
3000
4000
Cw (ppm)
1600
26.5 Å
1400
1200
1000
14 Å
intensity (a.u.)
intensity (a.u.)
1200
1000
800
800
600
400
200
0
600
2
4
6
8
10
12
2q
400
200
0
2
4
6
8
10
12
2q
Characterization: XRD, TG, IR
5000
6000
7000
Research Fields
FUEL CELLS
PEM-FCs
SOFCs
MATERIALS
PREPARATION
&
CHARACTERIZATION
ORGANOCLAYS
HYBRID ORGANIC-INORGANIC MATERIALS
LIFE CYCLE ANALYSIS
SUSTAINABILITY AND
GREEN PRODUCT
DESIGN
Life Cycle Assessment
•
Compilation and evaluation of the inputs, outputs and
potential environmental impacts of a product system
throughout its life cycle *
•
Use of LCA data:




Materials selection
Process Optimization
Green Marketing
Eco-labeling
* In cooperation with industry
LIFE CYCLE ASSESSMENT
fertilizers
Refinery
Refinery
Farm
dairy
market
Life Cycle Analysis of
a Glass of Milk
Refinery