Deleted Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 8, 2024
Development
of
highly
active
and
stable
acidic
oxygen
evolution
reaction
catalyst
is
very
important
for
efficient
water
splitting
while
remains
challenging.
Herein,
we
report
a
ordered
RuO2/WO3
inverse
opals
(IOs)
to
address
the
bottleneck
problem
see-saw
relationship
between
activity
stability,
in
which
crystalline
corrosionresistant
WO3
facilitates
electron
transport
stabilizes
RuO2,
whereas
lattice
mismatch-induced
amorphousdominated
RuO2
provides
abundant
unsaturated
coordination
sites
enhance
(OER)
activity.
Consequently,
IOs
demonstrates
outstanding
OER
performance
terms
low
overpotential
180
mV
reach
10
mA·cm–2,
excellent
stability
maintaining
100
hours
continuous
test.
Experimental
characterizations
density
functional
theory
calculations
reveal
that
interface
coupling
can
spin
polarization
electrons
increase
overlaps
electronic
projected
states
Ru
d
orbitals
metal
O
p
intermediates,
facilitating
pathway
switch
from
mechanism
adsorbate
mechanism,
significantly
decreases
energy
barrier
process.
Meanwhile,
rich
vacancies
supports
heterostructures
could
inhibit
over-oxidation
species,
so
as
simultaneously.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Intrinsically
chiral
oxides
show
enhanced
activity
towards
the
oxygen
evolution
reaction
in
full
cell
electrolysers.
Enantiopure
active
sites
were
detected
operando
by
circular
dichroism-spectro-electrochemical
data.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(10), P. 689 - 689
Published: Oct. 3, 2024
Two-dimensional
transition
metal
dichalcogenides
(TMDs),
also
known
as
MX2,
have
attracted
considerable
attention
due
to
their
structure
analogous
graphene
and
unique
properties.
With
superior
electronic
characteristics,
tunable
bandgaps,
an
ultra-thin
two-dimensional
structure,
they
are
positioned
significant
contenders
in
advancing
electrocatalytic
technologies.
This
article
provides
a
comprehensive
review
of
the
research
progress
TMDs
field
water
splitting.
Based
on
fundamental
properties
principles
electrocatalysis,
strategies
enhance
performance
through
layer
control,
doping,
interface
engineering
discussed
detail.
Specifically,
this
delves
into
basic
properties,
reaction
mechanisms,
measures
improve
catalytic
splitting,
including
creation
more
active
sites,
phase
engineering,
construction
heterojunctions.
Research
these
areas
can
provide
deeper
understanding
guidance
for
application
thereby
promoting
development
related
technologies
contributing
solution
energy
environmental
problems.
hold
great
potential
future
needs
further
explore
develop
new
TMD
materials,
optimize
catalysts
achieve
efficient
sustainable
conversion.
Additionally,
it
is
crucial
investigate
stability
durability
during
long-term
reactions
longevity.
Interdisciplinary
cooperation
will
bring
opportunities
research,
integrating
advantages
different
fields
from
practical
application.
Energy Materials,
Journal Year:
2025,
Volume and Issue:
5(3)
Published: Jan. 15, 2025
The
lattice
oxygen
mechanism
(LOM)
plays
a
critical
role
in
the
acidic
evolution
reaction
(OER)
as
it
provides
more
efficient
catalytic
pathway
compared
to
conventional
adsorption
(AEM).
LOM
effectively
lowers
energy
threshold
of
and
accelerates
rate
by
exciting
atoms
catalyst
directly
participate
OER
process.
In
recent
years,
with
increase
in-depth
understanding
LOM,
researchers
have
developed
variety
iridium
(Ir)
ruthenium
(Ru)-based
catalysts,
well
non-precious
metal
oxide
optimized
their
performance
through
different
strategies.
However,
still
faces
many
challenges
practical
applications,
including
long-term
stability
precise
modulation
active
sites,
application
efficiency
real
electrolysis
systems.
Here,
we
review
OER,
analyze
its
difference
traditional
AEM
new
(OPM)
mechanism,
discuss
experimental
theoretical
validation
methods
pathway,
prospect
future
development
electrocatalyst
design
conversion,
aiming
provide
fresh
perspectives
strategies
for
solving
current
challenges.
Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(2)
Published: May 22, 2024
The
utilization
of
water
electrolysis
for
green
hydrogen
(H2)
production,
powered
by
renewable
energy,
is
a
promising
avenue
sustainable
development.
Proton-exchange-membrane
(PEMWE)
stands
out
as
one
the
most
efficient
H2
production
technologies.
However,
implementing
it
on
an
industrial
scale
faces
substantial
challenges,
particularly
regarding
oxygen
evolution
reaction
(OER).
OER,
critical
process
with
inherently
slow
kinetics
requiring
additional
potential,
significantly
influences
overall
water-splitting
efficiency.
Most
OER
electrocatalysts
in
PEMWE
struggle
poor
stability
harsh
acidic
environments
at
high
oxidative
potentials.
While
rare-earth
metal
oxides,
such
iridium
or
ruthenium
offer
commercial
oxygen-evolving
(OECs),
their
use
depends
achieving
economically
and
sustainably
viable
operations.
An
alternative
approach
involves
developing
low-
non-noble
metal-based
OECs
sustaining
activity
long-term
durability.
Although
materials
currently
exhibit
lower
than
noble-based
OECs,
notable
progress
has
been
made
enhancing
performance.
This
review
provides
overview
recent
advancements
designing
acidic-stable
based
low
without
noble
contents.
It
delves
into
thermodynamics
degradation
mechanisms
media,
evaluation
parameters
stability,
strategies
active
acid-stable
challenges
opportunities
acid
electrolysis.
Through
detailed
analysis
these
aspects,
aims
to
identify
engineering
actively
durable
OECs.
