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PROTON EXCHANGE MEMBRANE
FUEL CELLS
DESIGN OVERVIEW AND APPLICATION
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 PEM – Proton Exchange Membrane
 Overview and build blocks:
Single Fuel Cell
SUSTAINABLE ENERGY I
Fuel Cell Stack
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Stack Design
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Proton Exchange Membrane Preparation Process
Clean
NaCl
Soak
Na+ form
Glycerol
TBOH
MeOH
Nafion
soln.
Sonicate
Binder
H O
2 2
N
2
Dry
DI H2O
soak.
SUSTAINABLE ENERGY I
H 2SO4
100 C
H+ form
Hot Press
130 C
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Output Characteristics of a PEM Fuel Cell
Effect of Surrounding conditions
1.0
0.8
E/ V
0.6
0.4
B
A
0.2
0
0
0.2
0.4
0.6
0.8
1
j / A cm–2
 Single Fuel Cell
 Fuel Cell Stack:
C:\Documents and Settings\Viktor\My
Documents\COLLEGE\Individual Investigation\Fuel
Cell Stack Char.xlsx
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Output Characteristics of a PEM Fuel Cell
Effect of Surrounding conditions
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Fuel Cell System
 Optimized Performance
 Increased Efficiency
Parasitic Power
Fuel
Fuel
Processing
H2
Fuel Cell Stack
Thermal and
Chemical Integration
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
dc
Power
Conditioning
AC / DC
electricity
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Fuel Cell System
 Fuel Processing:
Air
H 2O Recov.
Purge
M
Turbocharger
Flow meter
Stack
Motor
F
H
Memb
H
F
Flow Resistor
Heat
Exch.
Humid.
(2x)
Humid
Ejector
H
2
Level
L
Radiator
T
Flow control
H O
2
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Fuel Cell System
Power Conditioning:
C:\Documents and Settings\Viktor\My Documents\COLLEGE\Individual Investigation\Poster\Poster Final.pptx
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Application
 Transportation
 Cost - stack, balance of plant - very low $/kW
- high volume, high quality manufacturability
 Fuel infrastructure
- on-board reforming
- on-board hydrogen storage (range)
 Customer acceptance
 Thermal management
 Water management
 Stability
 Durability (5000 hrs, 10 yrs)
 Weight and volumetric power densities
 Recyclability of materials
– life cycle management
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Application
 Stationary
 Cost of a system $$/kW
- high volume, high quality manufacturability
 Local cost of electricity vs. Local fuel costs
 Fuel reforming (natural gas)
 Customer acceptance
 Durability (40,000 hrs)
 Stability
 Codes and Standards
 Grid Interconnectivity
 Recyclability of materials
– life cycle management
 Finding the “killer application”
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011
PEM FUEL CELLS – DESIGN OVERVIEW AND APPLICATION
 Future Improvement
SUSTAINABLE ENERGY I
COLLEGE OF TECHNOLGY
November 2011