Bimetallic Phosphide-Sulfide Nanoparticles Embedded in S-Doped Three-Dimensional Porous Carbon as Efficient Electrocatalysts for OER
Korean Journal of Chemical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 20, 2025
Язык: Английский
Synergistic M-N-C active sites and CoCu alloy of CoCu-N-C self-supporting bifunctional electrocatalyst to enhance seawater electrolysis
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 179830 - 179830
Опубликована: Март 1, 2025
Язык: Английский
Ni-based sulfides@V2O5 nanoarrays with interfacial effect to improve overall water splitting
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 179912 - 179912
Опубликована: Март 1, 2025
Язык: Английский
Electrochemically Deposited Quaternary Copper-Selenium-Nickel-Cobalt Layer Electrocatalysts on Lyocell-Based Carbon Cloth for the Construction of Stable Overall Water Splitting
Electrochimica Acta,
Год журнала:
2025,
Номер
unknown, С. 146134 - 146134
Опубликована: Март 1, 2025
Язык: Английский
Electrochemical‐Doping of Tungsten on Nickel‐Boron‐Phosphide Microspheres for Accelerated Industrial‐Scale Water Electrolysis at High Current Density
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 3, 2025
Abstract
Development
of
alternative
electrocatalysts
with
high
efficiency
and
stable
operation
at
current
density
(HCD)
put
a
challenge
for
industrial‐level
green‐hydrogen
production.
Herein,
tungsten
doping
is
systematically
demonstrated
on
nickel‐boron‐phosphide
(W/NiBP)
microsphere
electrode
(ME)
by
an
electrodeposition
approach
generation.
The
W/NiBP
ME
exhibits
low
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
overpotentials
80
330
mV
100
mA
cm
−2
in
1
m
KOH,
respectively,
outperforming
the
benchmark
Pt/C
RuO
2.
bi‐functional
demonstrates
remarkably
voltage
1.85
V
500
KOH
overall
water
splitting
(OWS),
exceeding
most
state‐of‐the‐art
electrocatalysts.
Moreover,
ultra‐low
cell
2.50
under
harsh
industrial
conditions
2,000
6
60
°C
steady
1,000
over
200
h,
which
superior
to
reported
HCD.
A
small
amount
W
incorporation
can
significantly
accelerate
catalytic
activity
NiBP
microspheres
increased
electrochemical
surface
area,
optimized
adsorption‐desorption
kinetics
intermediates,
intrinsic
activity,
corrosion
resistance.
Язык: Английский
Facile synthesis of NiCo2O4 nanosheets efficient for electrocatalysis of water
Applied Surface Science,
Год журнала:
2024,
Номер
677, С. 161013 - 161013
Опубликована: Авг. 23, 2024
Язык: Английский
Oxygen Evolution Enhancement of Oxalate-Based Nickel–Iron MOF through Bipyridine Coordinated Strategy
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
The
catalytic
performance
of
oxalate-based
Ni–Fe
metal–organic
frameworks
(MOFs)
in
the
oxygen
evolution
reaction
(OER)
was
investigated
via
a
coordination
strategy.
bidentate
chelating
ligand
2,2′-bpy
(2,2′-bipyridine),
utilized
to
improve
kinetics
under
ambient
conditions.
results
revealed
that
MOF-to-MOF
transformation
including
formation
[M(2,2′-bpy)n]2/3+
(M
=
Ni/Fe,
n
1–3)
could
boost
alkaline
OER,
giving
an
impressive
ultralow
overpotential
220
mV
at
current
density
10
mA/cm2
1
M
KOH
solution,
surpassing
control
group
activity
MOF.
However,
excessive
addition
had
negative
effect,
leading
decreased
activity.
Further
investigation
double
role
2,2′-bpy:
Both
promote
and
suppress
reactions.
mechanism
then
discussed,
highlighting
potential
secondary
ligands
effectively
fine-tune
behavior
these
materials.
Язык: Английский