Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(12), P. 5520 - 5529
Published: March 15, 2024
The
rational
design
of
nonnoble-metal-based
catalysts
with
high
electroactivity
and
long-term
stability,
featuring
controllable
active
sites,
remains
a
significant
challenge
for
achieving
effective
water
electrolysis.
Herein,
heterogeneous
catalyst
FeCo-S
Ni2P
heterostructure
(denoted
FeCo-S/Ni2P/NF)
grown
on
nickel
foam
(NF)
was
synthesized
by
solvothermal
method
low-temperature
phosphorization.
FeCo-S/Ni2P/NF
shows
excellent
electrocatalytic
performance
stability
in
alkaline
solution.
demonstrates
low
overpotentials
(η)
both
the
hydrogen
evolution
reaction
(HER)
(49
mV@10
mA
cm–2)
oxygen
(OER)
(279
mV@100
cm–2).
Assembling
as
cathode
anode
an
electrolytic
cell
overall
splitting
(OWS)
needs
ultralow
voltage
1.57
V
to
attain
current
density
(CD)
300
cm–2.
Furthermore,
it
durability,
significantly
outperforming
commercial
Pt/C∥IrO2
system.
results
experiments
indicate
that
synergistic
effect
can
enhance
conductivity,
facilitate
mass/ion
transport
gas
evolution,
expose
more
thereby
improving
catalytic
activity
electrocatalyst
OWS.
This
study
provides
approach
development
commercially
promising
dual-functional
electrocatalysts.
Nano Convergence,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: Feb. 6, 2025
Abstract
The
conversion
of
electricity
into
hydrogen
(H
2
)
gas
through
electrochemical
water
splitting
using
efficient
electrocatalysts
has
been
one
the
most
important
future
technologies
to
create
vast
amounts
clean
and
renewable
energy.
Low-temperature
electrolyzer
systems,
such
as
proton
exchange
membrane
electrolyzers,
alkaline
anion
electrolyzers
are
at
forefront
current
technologies.
Their
performance,
however,
generally
depends
on
costs
system
efficiency,
which
can
be
significantly
improved
by
developing
high-performance
enhance
kinetics
both
cathodic
evolution
reaction
anodic
oxygen
reaction.
Despite
numerous
active
research
efforts
in
catalyst
development,
performance
electrolysis
remains
insufficient
for
commercialization.
Ongoing
innovative
an
understanding
catalytic
mechanisms
critical
enhancing
their
activity
stability
electrolyzers.
This
is
still
a
focus
academic
institutes/universities
industrial
R&D
centers.
Herein,
we
provide
overview
state
directions
H
production.
Additionally,
describe
detail
technological
framework
production
utilized
relevant
global
companies.
Graphical
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(11), P. 8420 - 8429
Published: Jan. 1, 2025
This
study
systematically
explores
how
variations
in
linker
chemistry
affect
metal-active
site
distribution,
stability,
and
reaction
kinetics,
providing
a
deeper
understanding
of
structure/morphological-performance
relationships.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(2)
Published: Nov. 20, 2023
Abstract
The
design
of
catalysts
with
tunable
active
sites
in
heterogeneous
interface
structures
is
crucial
for
addressing
challenges
the
water‐splitting
process.
Herein,
a
hollow
spherical
heterostructure
FeCo‐P
successfully
prepared
by
hydrothermal
and
phosphorization
methods.
This
structure,
along
between
Co
2
P
FeP,
not
only
facilitates
exposure
more
sites,
but
also
increases
contact
area
catalyst
electrolyte,
as
well
shortens
distance
mass/electron
transfer.
enhancement
promotes
electron
transfer
to
facilitate
water
decomposition.
exhibits
excellent
hydrogen
evolution
(HER)
oxygen
(OER)
performance
when
reaching
@
10
mA
cm
−2
1
mol
L
−1
KOH,
overpotentials
131/240
mV
HER/OER.
Furthermore,
used
both
cathode
anode
overall
splitting
(OWS),
it
requires
low
voltages
1.49,
1.55,
1.57
V
achieve
CDs
10,
100,
300
,
respectively.
Density
functional
theory
calculations
indicate
that
constructing
FeP
good
lattice
matching
can
redistribution,
thereby
enhancing
electrocatalytic
OWS.
work
opens
up
new
possibilities
rational
efficient
electrolysis
derived
from
MOFs.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 3090 - 3111
Published: June 20, 2024
Electrocatalytic
water
splitting
is
commonly
regarded
as
a
sustainable
and
clean
method
to
generate
hydrogen
oxygen,
which
deemed
be
efficient
for
the
utilization
of
renewable
energy.
Electrocatalysts
are
essential
components
enhance
electrochemical
efficiency
optimize
product
yield.
Hollow
micro/nanostructures
possess
large
specific
surface
areas,
multiple
voids,
tunable
chemical
compositions,
making
them
suitable
use
direct
catalysts
or
supports
reactions.
This
review
summarizes
recent
advancements
in
structural
functional
designs
micro/nanostructured
hollow
materials
electrocatalysts
an
enhanced
water-splitting
process.
We
emphasize
ideas
strategies
create
various
oxygen/hydrogen
evolution
processes.
Subsequently,
comprehensive
summary
studies
on
borides,
carbides,
oxides,
phosphides,
selenides,
sulfides,
alloys,
MXenes,
heterostructured
containing
hosts
provided.
Furthermore,
we
highlight
current
challenges
perspectives
electrocatalytic
splitting.
Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
666, P. 403 - 415
Published: March 30, 2024
Transition
metal
phosphides
have
been
demonstrated
to
be
promising
non-noble
catalysts
for
water
splitting,
yet
their
electrocatalytic
performance
is
impeded
by
unfavorable
free
energies
of
adsorbed
intermediates.
The
achievement
nanoscale
modulation
in
morphology
and
electronic
states
imperative
enhancing
intrinsic
activity.
Herein,
we
propose
a
strategy
expedite
the
splitting
process
over
NiCoP/FeNiCoP
hollow
ellipsoids
modulating
structure
d-band
center.
These
unique
phosphorus
(P)
vacancies-rich
are
synthesized
through
an
ion-exchange
reaction
between
uniform
NiCo-nanoprisms
K
Small,
Journal Year:
2024,
Volume and Issue:
20(34)
Published: April 11, 2024
Abstract
Modulating
the
coordination
environment
of
metal
active
center
is
an
effective
method
to
boost
catalytic
performances
metal–organic
frameworks
(MOFs)
for
oxygen
evolution
reaction
(OER).
However,
little
attention
has
been
paid
halogen
effects
on
ligands
engineering.
Herein,
a
series
MOFs
X─FeNi‐MOFs
(X
=
Br,
Cl,
and
F)
constructed
with
different
microenvironments
optimize
OER
activity.
Theoretical
calculations
reveal
that
increase
in
electronegativity
ions
terephthalic
acid
molecular
(TPA),
Bader
charge
Ni
atoms
gets
larger
Ni‐3d
band
O‐2p
bands
move
closer
Fermi
level.
This
indicates
ligand
negativity
TPA
can
promote
adsorption
ability
sites
oxygen‐containing
intermediates
reduce
activation
barrier
OER.
Experimental
also
demonstrates
F─FeNi‐MOFs
exhibit
highest
activity
ultralow
overpotential
218
mV
at
10
mA
cm
−2
,
outperforming
most
otate‐of‐the‐art
Fe/Co/Ni‐based
catalysts,
enhanced
mass
by
seven
times
compared
sample
before
work
opens
new
avenue
realization
modulation
NiFe─O
bonding
ion
improves
performance
MOFs.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Electrocatalysts
with
a
hollow
nanocage
structure
and
single
atoms
(SAs)
incorporated
into
layered
double
hydroxide
(LDH)
are
highly
significant
for
enhancing
the
efficiency
of
electrochemical
water
splitting.
In
this
study,
efficient
robust
electrocatalyst
oxygen
evolution
reaction
(OER)
is
successfully
fabricated
by
confining
Ru
SAs
within
made
NiFe
LDH.
An
etching
co‐precipitation
method
used
making
LDH
nanocages
integrating
to
produce
Ru‐SAC/NiFe
The
architecture
increases
surface
area
available
interaction
enhances
interface
between
catalyst
electrolyte.
synergistic
electronic
contact
led
exceptional
OER
performance
low
overpotential
196
mV
at
10
mA
cm
‒2
Tafel
slope
40
dec⁻
1
.
Additionally,
revealed
long‐term
stability,
120
h
Density
functional
theory
(DFT)
calculations
show
that
increased
activity
because
they
interacted
more
strongly
intermediates
caused
positive
changes
in
Gibbs
free
energy.
goal
research
develop
novel
approach
designing
fabricating
advanced
single‐atomic
materials
intended
use
renewable
energy
applications.
