Inorganics,
Journal Year:
2024,
Volume and Issue:
12(6), P. 163 - 163
Published: June 10, 2024
Hydrogen
has
the
potential
to
serve
as
a
new
energy
resource,
reducing
greenhouse
gas
emissions
that
contribute
climate
change.
Natural
hydrogenases
exhibit
impressive
catalytic
abilities
for
hydrogen
production,
but
they
often
lack
oxygen
tolerance.
Oxygen-tolerant
can
work
under
by
reacting
with
form
inactive
states,
which
be
reactivated
states
atom
removal.
Herein,
we
synthesized
three
NiFeSe
complexes:
(NiSe(CH3)FeCp,
NiSe(CH3)FeCp*
and
NiSe(PhNMe2)FeCp)
features
of
active
sites
[NiFeSe]-H2ases,
are
oxygen-tolerant
hydrogenases,
investigated
influence
electronic
steric
factors
on
reaction
these
“biomimetic”
complexes.
In
our
research,
found
react
oxygen,
forming
1-oxygen
species,
is
related
O2-damaged
[NiFeSe]
site.
Through
comparative
analysis
reactions,
have
discovered
hindrance
Se
play
significant
role
in
determining
reactivity
NiFe
complexes
hydrogenases’
sites.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(45), P. 31253 - 31261
Published: Jan. 1, 2024
The
widespread
utilization
of
noble
metal-based
catalysts
for
the
oxygen
evolution
reaction
(OER)
is
hindered
by
their
rarity
and
substantial
expense,
posing
significant
challenges
large-scale
applications.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(20), P. 12672 - 12706
Published: May 8, 2024
Since
their
introduction
in
2004,
high
entropy
alloys
(HEAs)
have
attracted
significant
attention
due
to
exceptional
mechanical
and
functional
properties.
Advances
our
understanding
of
atomic-scale
ordering
phase
formation
HEAs
facilitated
the
development
fabrication
techniques
for
synthesizing
nanostructured
HEAs.
These
materials
hold
immense
potential
applications
various
fields
including
automobile
industries,
aerospace
engineering,
microelectronics,
clean
energy,
where
they
serve
as
either
structural
or
materials.
In
this
comprehensive
Review,
we
conduct
an
in-depth
analysis
properties
HEAs,
with
a
particular
emphasis
on
roles
different
nanostructures
modulating
these
To
begin,
explore
intrinsic
extrinsic
factors
that
influence
stability
Subsequently,
delve
into
examination
electrocatalytic
exhibited
by
bulk
three-dimensional
(3D)
well
nanosized
form
zero-dimensional
(0D)
nanoparticles,
one-dimensional
(1D)
nanowires,
two-dimensional
(2D)
nanosheets.
Finally,
present
outlook
current
research
landscape,
highlighting
challenges
opportunities
associated
nanostructure
design
structure-property
relationships
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Nov. 22, 2024
The
development
of
efficient
and
robust
catalysts
for
hydrogen
evolution
reaction
is
crucial
advancing
the
economy.
In
this
study,
we
demonstrate
that
ultra-low
coordinated
hollow
PtRuNi-Ox
nanocages
exhibit
superior
catalytic
activity
stability
across
varied
conditions,
notably
surpassing
commercial
Pt/C
catalysts.
Notably,
achieve
current
densities
10
mA
cm−2
at
only
19.6
±
0.1,
20.9
21.0
0.1
mV
in
alkaline
freshwater,
chemical
wastewater,
seawater,
respectively,
while
maintaining
satisfied
with
minimal
loss
after
40,000
cycles.
situ
experiments
theoretical
calculations
reveal
coordination
Pt,
Ru,
Ni
atoms
creates
numerous
dangling
bonds,
which
lower
water
dissociation
barrier
optimizing
adsorption.
This
research
marks
a
notable
advancement
precise
engineering
atomically
dispersed
multi-metallic
centers
energy-related
applications.
Efficient
are
key
to
economy,
particularly
reaction.
Here,
authors
report
offer
comparable
performance
both
freshwater
wastewater
conditions.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: March 13, 2025
Abstract
The
state-of-the-art
anion-exchange
membrane
water
electrolyzers
(AEMWEs)
require
highly
stable
electrodes
for
prolonged
operation.
stability
of
the
electrode
is
closely
linked
to
effective
evacuation
H
2
or
O
gas
generated
from
surface
during
electrolysis.
In
this
study,
we
prepared
a
super-hydrophilic
by
depositing
porous
nickel–iron
nanoparticles
on
annealed
TiO
nanotubes
(NiFe/ATNT)
rapid
outgassing
such
nonpolar
gases.
NiFe/ATNT
exhibited
an
overpotential
235
mV
at
10
mA
cm
−2
oxygen
evolution
reaction
in
1.0
M
KOH
solution,
and
was
utilized
as
anode
AEMWE
achieve
current
density
1.67
A
1.80
V.
addition,
with
electrode,
which
enables
outgassing,
showed
record
1500
h
0.50
under
harsh
temperature
conditions
80
±
3
°C.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(30), P. 19462 - 19469
Published: Jan. 1, 2024
B,
N-doped
porous
carbon
confined
MoC
quantum
dots
were
engineered
as
a
facile
carrier
and
electronic
stimulator
to
confine
Ru
clusters
for
high-performance
hydrogen
evolution
reaction.
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.
Pristine
transition
metal
dichalcogenide
(TMD)
monolayers
are
generally
regarded
as
exhibiting
low
chemical
reactivity
due
to
their
inert
surfaces.
Our
extensive
first-principles
calculations,
which
incorporate
an
explicit
solvation
model,
reveal
that
the
catalytic
performance
of
pristine
TMD
MX
