Scaling Up Stability: Navigating from Lab Insights to Robust Oxygen Evolution Electrocatalysts for Industrial Water Electrolysis
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 29, 2024
Abstract
In
the
pursuit
of
sustainable
hydrogen
production
via
water
electrolysis,
paramount
importance
electrocatalyst
stability
emerges
as
a
defining
factor
for
long‐term
industrial
viability.
A
thorough
understanding
and
enhancement
not
only
ensure
extended
catalyst
lifetimes
but
also
pave
way
consistent
efficient
generation.
This
review
focuses
on
pivotal
role
in
determining
practical
viability
oxygen
evolution
electrocatalysts
(OECs)
large‐scale
applications
electrolysis
production.
The
paper
explores
over
initial
activity,
citing
examples
hypothetical
scenarios.
First,
figures
merits
evaluation
are
explained
along
with
available
benchmarking
protocols
evaluation.
Further,
text
delves
into
various
strategies
that
can
enhance
which
include
self‐healing/regeneration
pathway,
reaction
(OER)
mechanism
optimization
to
achieve
highly
stable
OER
stabilization
active
metals
atoms
within
inhibit
dissolution
forward
application.
interplay
stability,
cost
is
suit
application
electrocatalyst.
Lastly,
it
outlines
challenges,
prospects,
future
directions,
presenting
guide
advancing
OECs
generation
landscape.
Язык: Английский
Recent Progress on the Stability of Electrocatalysts under High Current Densities toward Industrial Water Splitting
ACS Catalysis,
Год журнала:
2024,
Номер
unknown, С. 14399 - 14435
Опубликована: Сен. 14, 2024
Язык: Английский
Proton Exchange Membrane Water Splitting: Advances in Electrode Structure and Mass‐Charge Transport Optimization
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Abstract
Proton
exchange
membrane
water
electrolysis
(PEMWE)
represents
a
promising
technology
for
renewable
hydrogen
production.
However,
the
large‐scale
commercialization
of
PEMWE
faces
challenges
due
to
need
acid
oxygen
evolution
reaction
(OER)
catalysts
with
long‐term
stability
and
corrosion‐resistant
electrode
assemblies
(MEA).
This
review
thoroughly
examines
deactivation
mechanisms
acidic
OER
crucial
factors
affecting
assembly
instability
in
complex
environments,
including
catalyst
degradation,
dynamic
behavior
at
MEA
triple‐phase
boundary,
equipment
failures.
Targeted
solutions
are
proposed,
improvements,
optimized
designs,
operational
strategies.
Finally,
highlights
perspectives
on
strict
activity/stability
evaluation
standards,
situ/operando
characteristics,
practical
electrolyzer
optimization.
These
insights
emphasize
interrelationship
between
catalysts,
MEAs,
activity,
stability,
offering
new
guidance
accelerating
systems.
Язык: Английский
Accelerating the green hydrogen revolution: The synergy of PEMWE and AI
Опубликована: Янв. 1, 2025
Язык: Английский
A Bifunctional Nanostructured RuPt/C Electrocatalyst for Energy Storage Based on the Chlor-Alkali Process
Nanomaterials,
Год журнала:
2025,
Номер
15(7), С. 506 - 506
Опубликована: Март 27, 2025
This
study
focuses
on
the
design
of
a
novel
electrode
for
an
energy
storage
system
utilizing
EDEN
(electrochemical-based
decarbonizing
energy)
technology.
technology
implies
chlor-alkali
electrochemical
cell
with
dual
functionality:
first,
electrolysis
water
and
NaCl
to
produce
hydrogen
(H2)
chlorine
(Cl2),
subsequently,
utilization
these
products
in
H2/Cl2
fuel
generate
electricity.
Bimetallic
RuPt
nanoparticles
have
been
synthesized
Vulcan
carbon
(C-V)
from
organometallic
precursors
be
used
as
electrocatalysts.
Characterization
includes
transmission
electron
microscopy
(TEM),
high-angle
annular
dark-field
scanning
(HAADF-STEM),
energy-dispersive
X-ray
spectroscopy
(EDX),
photoelectron
(XPS),
powder
diffraction
(XRD).
The
RuPt/C-V-based
demonstrated
notable
performance
target
reversible
cell,
acting
anode
cathode
fuel-cell
mode.
Testing
3D-printed
revealed
high
efficiency,
coulombic
efficiency
exceeding
96%
production,
yielding
11.75
mg·Wh−1
achieving
power
output
approximately
4.5
mW·cm−2
operation.
Язык: Английский
Advances in Ru-based Acidic OER Electrocatalysts: Addressing the Activity-Stability Trade-off
Опубликована: Апрель 1, 2025
Язык: Английский
Homologous heterostructures of Ni/NiFeO Mott–Schottky for alkaline water electrolysis
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(33), С. 22210 - 22219
Опубликована: Янв. 1, 2024
An
in
situ
strategy
is
proposed
to
fabricate
a
Mott–Schottky
Ni/NiFeO
catalyst
composed
of
Ni
nanoparticles
over
NiFeO
nanosheets,
which
leads
charge
transfer
from
Fe
and
promotes
the
bifunctional
activity
for
HER
OER.
Язык: Английский
Enhanced Acidic Oxygen Evolution Reaction Performance by Anchoring Iridium Oxide Nanoparticles on Co3O4
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
17(1), С. 1350 - 1360
Опубликована: Дек. 18, 2024
The
sluggish
kinetics
of
the
anodic
process,
known
as
oxygen
evolution
reaction
(OER),
has
posed
a
significant
challenge
for
practical
application
proton
exchange
membrane
water
electrolyzers
in
industrial
settings.
This
study
introduces
high-performance
OER
catalyst
by
anchoring
iridium
oxide
nanoparticles
(IrO2)
onto
cobalt
(Co3O4)
substrate
via
two-step
combustion
method.
resulting
IrO2@Co3O4
demonstrates
enhancement
both
catalytic
activity
and
stability
acidic
environments.
Notably,
overpotential
required
to
attain
current
density
10
mA
cm–2,
commonly
used
benchmark
comparison,
is
merely
301
mV.
Furthermore,
maintained
over
duration
80
h,
confirmed
minimal
rise
overpotential.
Energy
spectrum
characterizations
experimental
results
reveal
that
generation
OER-active
Ir3+
species
on
surface
induced
strong
interaction
between
IrO2
Co3O4.
Theoretical
calculations
further
indicate
sites
loaded
Co3O4
have
lower
energy
barrier
*OOH
deprotonation
form
desorbed
O2.
Moreover,
this
also
stabilizes
active
maintaining
their
chemical
state,
leading
superior
long-term
stability.
These
insights
could
significantly
impact
strategies
designing
synthesizing
more
efficient
electrocatalysts
broader
application.
Язык: Английский