Molecules,
Journal Year:
2023,
Volume and Issue:
28(9), P. 3647 - 3647
Published: April 22, 2023
The
construction
of
multi-level
heterostructure
materials
is
an
effective
way
to
further
the
catalytic
activity
catalysts.
Here,
we
assembled
self-supporting
MoS2@Co
precursor
nanoarrays
on
support
nickel
foam
by
coupling
hydrothermal
method
and
electrostatic
adsorption
method,
followed
a
low-temperature
phosphating
strategy
obtain
Mo4P3@CoP/NF
electrode
materials.
Mo4P3@CoP
heterojunction
can
lead
electron
transfer
from
Mo4P3
phase
CoP
at
interface
region,
thereby
optimizing
charge
structure
active
sites.
Not
only
that,
introduction
will
make
water
molecules
preferentially
adsorb
its
surface,
which
help
reduce
molecule
decomposition
energy
barrier
heterojunction.
Subsequently,
H*
overflowed
surface
generate
H2
molecules,
finally
showed
lower
better
intermediate
energy.
Based
this,
material
shows
excellent
HER/OER
dual-functional
performance
under
alkaline
conditions.
It
needs
72
mV
238
reach
10
mA/cm2
for
HER
OER,
respectively.
Meanwhile,
in
two-electrode
system,
1.54
V
needed
mA/cm2,
even
than
commercial
RuO2/NF||Pt/C/NF
pair.
In
addition,
unique
design
ensures
unimpeded
transmission
between
loaded
nanoarray
conductive
substrate.
loose
porous
not
conducive
full
exposure
more
sites
but
also
facilitates
smooth
escape
gas
after
production
so
as
improve
utilization
rate
This
work
has
important
guiding
significance
development
high-performance
bifunctional
electrolytic
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(7), P. 3844 - 3878
Published: Jan. 1, 2024
This
review
provides
a
systematic
summary
of
the
nanostructure
engineering
Ru-modified
electrocatalysts
for
electrocatalytic
water
splitting.
These
regulation
strategies,
such
as
single
atom
sites,
doping,
alloying
and
interfacial
are
summarized
in
detail.
Small,
Journal Year:
2024,
Volume and Issue:
20(34)
Published: April 8, 2024
Oxygen
evolution
reaction
(OER)
is
a
widely
employed
half-electrode
in
oxygen
electrochemistry,
applications
such
as
hydrogen
evolution,
carbon
dioxide
reduction,
ammonia
synthesis,
and
electrocatalytic
hydrogenation.
Unfortunately,
its
slow
kinetics
limits
the
commercialization
of
applications.
It
therefore
highly
imperative
to
develop
robust
electrocatalysts
with
high
activity,
long-term
durability,
low
noble-metal
contents.
Previously
intensive
efforts
have
been
made
introduce
advancements
on
developing
non-precious
transition
metal
their
OER
mechanisms.
Electronic
structure
tuning
one
most
effective
interesting
ways
boost
activity
spin
angular
momentum
an
intrinsic
property
electron.
Therefore,
modulation
states
magnetic
properties
electrocatalyst
enables
changes
energy
associated
interacting
electron
clouds
radical
absorbance,
affecting
stability.
Given
that
few
review
this
topic,
review,
the-state-of-the-art
research
progress
spin-dependent
effects
will
be
briefed.
Spin
engineering
strategies,
strain,
crystal
surface
engineering,
doping,
etc.,
introduced.
The
related
mechanism
for
manipulation
also
discussed.
Finally,
challenges
prospects
development
catalysis
are
presented.
This
aims
highlight
significance
breaking
bottleneck
electrocatalysis
promoting
practical
application
high-efficiency
electrocatalysts.
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.
ChemSusChem,
Journal Year:
2023,
Volume and Issue:
17(2)
Published: Sept. 25, 2023
Abstract
Electrochemical
water
splitting
to
generate
hydrogen
energy
fills
a
gap
in
the
intermittency
issues
for
wind
and
sunlight
power.
Transition
metal
(TM)
oxides
have
attracted
significant
interest
oxidation
due
their
availability
excellent
activity.
Typically,
transitional
oxyhydroxides
species
derived
from
these
are
often
acknowledged
as
real
catalytic
species,
irreversible
structural
reconstruction.
Hence,
order
innovatively
design
new
catalyst,
it
is
necessary
provide
comprehensive
understanding
origin
of
surface
In
this
review,
most
recent
developments
reconstruction
transition
metal‐based
oxygen
evolution
reaction
electrocatalysts
were
introduced,
various
chemical
driving
forces
behind
mechanism
discussed.
At
same
time,
specific
strategies
modulating
pre‐catalysts
achieve
controllable
reconfiguration,
such
substituting,
increase
defect
sites,
summarized.
last,
further
optimization
compositions
based
on
provided.
