Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(10), P. 104514 - 104514
Published: Oct. 1, 2024
To
address
the
performance
and
lifetime
limitations
of
Proton
Exchange
Membrane
Fuel
Cells,
it
is
essential
to
have
a
comprehensive
understanding
operating
heterogeneities
at
cell
scale,
requiring
test
wide
range
conditions.
avoid
experimental
constraints,
numerical
simulations
seem
be
most
viable
option.
Hence,
there
need
for
time-efficient
accurate
cell-scale
models.
In
this
intention,
previous
works
led
development
calibration
pseudo-3D
model
full-size
in
stack.
further
reduce
computation
time,
new
spatially
averaged,
multi-physics,
single-phase,
non-isothermal,
steady
state
developed
calibrated
with
results
preceding
model.
Particularly,
captures
influence
coolant
on
temperature
water
mappings
cell.
Moreover,
methodology
proposed
calibrate
electrochemical
voltage
law
membrane-electrode
assemblies.
The
emulation
local
operation
conditions
large
active
surface
area
realized
small
differential
cell,
avoiding
testing
single
cells
or
stacks.
Subsequently,
are
conducted
investigate
impact
gradient,
outlet
gas
relative
humidity.
Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(10), P. 104514 - 104514
Published: Oct. 1, 2024
To
address
the
performance
and
lifetime
limitations
of
Proton
Exchange
Membrane
Fuel
Cells,
it
is
essential
to
have
a
comprehensive
understanding
operating
heterogeneities
at
cell
scale,
requiring
test
wide
range
conditions.
avoid
experimental
constraints,
numerical
simulations
seem
be
most
viable
option.
Hence,
there
need
for
time-efficient
accurate
cell-scale
models.
In
this
intention,
previous
works
led
development
calibration
pseudo-3D
model
full-size
in
stack.
further
reduce
computation
time,
new
spatially
averaged,
multi-physics,
single-phase,
non-isothermal,
steady
state
developed
calibrated
with
results
preceding
model.
Particularly,
captures
influence
coolant
on
temperature
water
mappings
cell.
Moreover,
methodology
proposed
calibrate
electrochemical
voltage
law
membrane-electrode
assemblies.
The
emulation
local
operation
conditions
large
active
surface
area
realized
small
differential
cell,
avoiding
testing
single
cells
or
stacks.
Subsequently,
are
conducted
investigate
impact
gradient,
outlet
gas
relative
humidity.
