International Journal of Numerical Methods for Heat & Fluid Flow,
Год журнала:
2024,
Номер
34(6), С. 2539 - 2559
Опубликована: Июнь 27, 2024
Purpose
The
purpose
of
this
study
is
to
investigate
the
effect
catalyst
distribution
in
combustion
catalytic
layer
on
heat
and
mass
transport
characteristics
auto-thermal
methanol
steam
reforming
microchannel
reactor.
Design/methodology/approach
Computational
fluid
dynamics
(CFD)
method
used
four
different
gradient
designs.
corresponding
distributions
temperature,
species
chemical
reaction
rate
are
provided
compared.
Findings
species,
temperature
significantly
affected
by
layer.
A
more
uniform
can
be
observed
when
design
used.
Meanwhile,
conversion
also
improved.
Practical
implications
This
work
reveals
reactor
provides
guidance
for
reactors.
Originality/value
uniformity
hydrogen
production
performance
improved
Materials,
Год журнала:
2024,
Номер
17(13), С. 3257 - 3257
Опубликована: Июль 2, 2024
For
Ni-YSZ
anode-supported
solid
oxide
fuel
cells
(SOFCs),
the
main
drawback
is
that
they
are
susceptible
to
reducing
and
oxidizing
atmosphere
changes
because
of
Ni/NiO
volume
variation.
The
anode
expansion
upon
oxidation
can
cause
significant
stresses
in
cell,
eventually
leading
failure.
In
order
improve
redox
stability,
an
analytical
model
developed
study
effect
structure
on
stability.
Compared
with
SOFC
without
AFL,
tensile
electrolyte
cathode
functional
layer
(AFL)
after
increased
by
27.07%
20.77%,
respectively.
thickness
has
a
great
influence
structure’s
Therefore,
AFL
stress
these
two
structures
also
discussed.
substrate
plays
more
important
role
than
AFL.
By
increasing
substrate,
decrease.
This
method
provides
theoretical
basis
for
design
reliable
condition
will
be
experimental
proofs
future.
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
review
focuses
on
recent
developments
in
methanol
steam
reforming
for
hydrogen
production,
highlighting
innovative
reactor
designs
and
catalyst
advances
applications
fuel
cells,
as
well
the
environmental
economic
implications.
