physica status solidi (a),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
The
chemical
compatibility,
microstructure,
and
electrochemical
performance
of
Gd
0.3
Ba
0.7
FeO
3−
δ
–
x
Ce
0.90
0.10
O
1.95
(GBF
0.3−
GDC,
=
30–50
wt%)
composite
cathodes
are
systematically
investigated.
Results
reveal
excellent
compatibility
between
GBF
GDC.
–30GDC
cathode
exhibits
enhanced
microstructural
properties,
including
reduced
particle
size
increased
porosity,
which
improve
oxygen
reduction
reaction
activity
decrease
polarization
resistance.
A
peak
power
density
0.549
W
cm
−2
is
achieved
at
800
°C
with
hydrogen
as
the
fuel
gas.
These
findings
underscore
critical
role
compositional
ratios
in
optimizing
for
solid
oxide
cells.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2023,
Volume and Issue:
8, P. 100439 - 100439
Published: Aug. 2, 2023
-
They
use
technologies
for
the
thermochemical
conversion
of
substances
biomass,
like
pyrolysis,
torrefaction,
gasification,
and
hydrothermal
process.
In
recent
years,
generation
synthetic
gas
has
significantly
developed.
This
is
especially
true
when
associated
with
biomass
gasification
processes,
primarily
related
to
syngas
production.
The
review
focuses
on
cleaning
syngas,
simulation
methods
procedure
parameters.
conclusion,
prospect
growths
opportunities
are
investigated,
discussions
culminate
presentation
a
novel
hydrogen
fabrication
strategy
predicated
utilizing
modified
combustion
process
that
operates
such
an
air
deficit.
Fuel,
Journal Year:
2023,
Volume and Issue:
358, P. 130166 - 130166
Published: Oct. 31, 2023
A
series
of
Ni/Al2O3
catalysts
were
prepared
from
substoichiometric
NiAl2O4
precursors
(Ni/Al
molar
ratio
between
0.5
and
0.05)
examined
for
the
dry
reforming
methane.
The
calcined
spinel
corresponding
reduced
characterised
by
N2
physisorption,
X-ray
fluorescence,
diffraction,
Raman
spectroscopy,
electronic
microscopy
coupled
to
elemental
mapping,
photoelectron
spectroscopy
temperature-programmed
techniques.
Compared
with
stoichiometric
counterpart,
nickel
species
present
in
Ni-deficient
mostly
form
a
spinelic
phase.
After
high-temperature
reduction,
narrow
particle
size
distributions
centred
at
10
nm
obtained.
largest
available
surface
area
(18
m2
g−1)
was
exhibited
catalyst
derived
precursor
Ni/Al
0.15.
NiAl2O4-mediated
catalysts,
especially
those
0.15–0.25
range,
notable
performance
90,000
h−1
650
°C.
optimal
(14%wt.%Ni),
93%CH4
80%CO2
conversions,
also
able
operate
200
h
despite
significant
formation
carbonaceous
nanotubes
(around
1gC
gCAT-1)
examined.
Russian Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
92(10), P. RCR5097 - RCR5097
Published: Aug. 28, 2023
Research
and
development
of
solid
oxide
fuel
cells
(SOFCs)
electrolysis
(SOECs)
are
currently
paramount
importance
in
terms
realizing
hydrogen
energy
carbon
emission
reduction
programs,
which
many
countries
have
committed
to.
Although,
there
outstanding
results
the
fabrication
characterization
SOFCs
SOECs
with
promising
oxygen-ionic
proton-conducting
electrolytes,
conventional
zirconia
electrolytes
still
widely
used
not
only
a
lab-scale
setup,
but
also
form
enlarged
stacks,
experimental
operation
latter
during
10
000–100
000
h.
To
ensure
good
performance
stability
microstructural
integrity
such
multilayered
cells,
special
attention
should
be
paid
to
chemical
activity
functional
materials
toward
their
interaction
each
other,
especially
long-term
focus.
The
literature
analysis
has
shown
that
undesirable
processes
occur
classical
pairs
strontium-containing
electrodes,
including
element
segregation
interdiffusion,
insulating
phase
formation,
microscopic
defect
appearance,
delamination.
Some
these
can
efficiently
eliminated
by
using
so-called
interlayers
designed
from
doped
ceria
materials.
Due
numerous
beneficial
functions,
several
synonymous
names:
blocking,
barrier,
buffer,
or
protecting
layers.
Herein,
we
review
recent
progress
achievements
fundamental
applied
researches
dealing
impact
on
chemistry
electrochemistry
based
as
well
analogs.
<br>
bibliography
includes
405
references.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(38), P. 25696 - 25714
Published: Jan. 1, 2024
The
present
perspective
revises
the
ionic
conductivity
of
highly
studied
fluorite-
and
perovskite-based
electrolytes
for
their
applications
in
solid
oxide
fuel
cells
(SOFCs)
electrolysis
(SOECs).
