Small,
Journal Year:
2024,
Volume and Issue:
20(43)
Published: June 26, 2024
Atomic
substructure
engineering
provides
new
opportunities
for
the
designing
newly
and
efficient
catalysts
with
diverse
atom
ensembles,
trimmed
electron
bands,
way-out
coordination
environments,
creating
unique
contributing
to
concertedly
catalyze
water
oxidation,
which
is
of
great
significance
proton
exchange
membrane
electrolysis
(PEMWE).
Herein,
nest-scheme
RuIrLa
nanocrystals
dense
coherent
interfaces
as
built-in
substructures
are
firstly
fabricated
by
using
commercial
ZnO
particles
acid-removable
templates,
through
a
La-stabilized
epitaxial
growth
nanoparticles
(NPs).
The
obtained
nests
exhibit
low
overpotential
198
mV
at
10
mA
cm
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(5), P. 2680 - 2684
Published: Jan. 1, 2024
Three-dimensional
porous
NiCoP
foam
supported
on
Ni
is
a
superb
bifunctional
electrocatalyst
for
overall
seawater
splitting,
attaining
large
current
density
of
1000
mA
cm
−2
at
low
cell
voltage
1.97
V
with
robust
stability
over
300
hours.
Small,
Journal Year:
2024,
Volume and Issue:
20(28)
Published: Feb. 16, 2024
Abstract
Renewable
electricity‐driven
seawater
splitting
presents
a
green,
effective,
and
promising
strategy
for
building
hydrogen
(H
2
)‐based
energy
systems
(e.g.,
storing
wind
power
as
H
),
especially
in
many
coastal
cities.
The
abundance
of
Cl
−
seawater,
however,
will
cause
severe
corrosion
anode
catalyst
during
the
electrolysis,
thus
affect
long‐term
stability
catalyst.
Herein,
oxidation
performances
NiFe
layered
double
hydroxides
(LDH),
classic
oxygen
(O
)
evolution
material,
can
be
boosted
by
employing
tungstate
(WO
4
2–
intercalated
guest.
Notably,
insertion
WO
2−
to
LDH
layers
upgrades
reaction
kinetics
selectivity,
attaining
higher
current
densities
with
≈100%
O
generation
efficiency
alkaline
seawater.
Moreover,
after
350
h
test
at
1000
mA
cm
−2
,
only
trace
active
chlorine
detected
electrolyte.
Additionally,
follows
lattice
mechanism
on
.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: Feb. 1, 2024
Abstract
Seawater
electrolysis
for
hydrogen
production
is
a
sustainable
and
economical
approach
that
can
mitigate
the
energy
crisis
global
warming
issues.
Although
various
catalysts/electrodes
with
excellent
activities
have
been
developed
high‐efficiency
seawater
electrolysis,
their
unsatisfactory
durability,
especially
anodes,
severely
impedes
industrial
applications.
In
this
review,
attention
paid
to
factors
affect
stability
of
anodes
corresponding
strategies
designing
catalytic
materials
prolong
anode's
lifetime.
addition,
two
important
aspects—electrolyte
optimization
electrolyzer
design—with
respect
anode
improvement
are
summarized.
Furthermore,
several
methods
rapid
assessment
proposed
fast
screening
both
highly
active
stable
catalysts/electrodes.
Finally,
perspectives
on
future
investigations
aimed
at
improving
systems
outlined.
Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: March 3, 2024
Abstract
Seawater
electrolysis
holds
tremendous
promise
for
the
generation
of
green
hydrogen
(H
2
).
However,
system
seawater‐to‐H
faces
significant
hurdles,
primarily
due
to
corrosive
effects
chlorine
compounds,
which
can
cause
severe
anodic
deterioration.
Here,
a
nickel
phosphide
nanosheet
array
with
amorphous
NiMoO
4
layer
on
Ni
foam
(Ni
P@NiMoO
/NF)
is
reported
as
highly
efficient
and
stable
electrocatalyst
oxygen
evolution
reaction
(OER)
in
alkaline
seawater.
Such
/NF
requires
overpotentials
just
343
370
mV
achieve
industrial‐level
current
densities
500
1000
mA
cm
−2
,
respectively,
surpassing
that
P/NF
(470
555
mV).
Furthermore,
it
maintains
consistent
over
h,
improvement
compared
(120
h)
Ni(OH)
(65
h).
Electrochemical
situ
Raman
spectroscopy,
stability
testing,
chloride
extraction
analysis
reveal
formed
MoO
2−
/PO
3−
from
during
OER
test
electrode
surface,
thus
effectively
repelling
Cl
−
hindering
formation
harmful
ClO
.
Small,
Journal Year:
2024,
Volume and Issue:
20(33)
Published: March 26, 2024
Rare
earth
microalloying
nanocrystals
have
gotten
widespread
attention
due
to
their
unprecedented
performances
with
customization-defected
nanostructures,
divided
energy
bands,
and
ensembled
surface
chemistry,
regarded
as
a
class
of
ideal
electrocatalysts
for
oxygen
evolution
reaction
(OER).
Herein,
lanthanide
strategy
is
proposed
fabricate
strain
wave-featured
LaRuIr
oxide
skin
through
rapid
crystal
nucleation,
using
thermally
assisted
sodium
borohydride
reduction
in
aqueous
solution
at
60
°C.
The
atomic
waves
alternating
compressive
tensile
strains,
resulting
from
La-stabilized
edge
dislocations
form
Cottrell
atmospheres.
In
0.5
m
H
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Abstract
The
seawater
splitting
for
green
hydrogen
production
is
emerging
as
a
key
research
focus
sustainable
energy.
Nevertheless,
the
inherent
complexity
of
seawater,
with
its
diverse
ion
composition
–
especially
chloride
ions,
calcium
and
magnesium
ions
poses
significant
challenges
in
catalyst
design.
Designing
highly
active
electrocatalysts
that
can
resist
corrosion
during
still
challenge.
This
article
presents
an
overview
fundamental
mechanisms
explores
issues
encountered
at
both
cathode
anode
electrode.
then
shifts
to
chlorine
anode,
examining
recent
advances
preventing
strategies.
Notably,
these
design
strategies,
such
anionic
passivation
layers,
corrosion‐resistant
metal
doping,
physical
barrier
situ
phase
transition‐driven
desalination,
decoupled
splitting,
are
comprehensively
investigated,
all
which
aim
enhance
catalytic
stability
splitting.
review
concludes
outlook
on
practical
applications
producing
through
