Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Here,
integrated
functional
components
into
a
hybrid
heterostructure
via
highly
stabilized
network-like
interconnected
electronic
nanoarchitecture
of
1D
N-doped
holey-carbon
nanotube
(NHCNT)
with
2D
nickel─metal-organic
framework
(Ni─MOF)
nanosheets
are
developed
as
high-performance
electrocatalyst
for
overall
water
splitting.
The
NHCNT
promoting
electron
transport
pathways
in
electrocatalyst,
and
formation
holes
nanotubes
further
enables
excellent
diffusion
ions
the
reaction
rate.
An
combination
1D/2D
structure
NHCNT/Ni─MOF-4
exhibits
oxygen
evolution
(η
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 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.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
Abstract
Designing
efficient
materials
is
crucial
to
meeting
specific
requirements
in
various
electrochemical
energy
applications.
Mono‐/bimetallic
doped
and
heterostructure
engineering
have
attracted
considerable
research
interest
due
their
unique
functionalities
potential
for
conversion
storage.
However,
addressing
material
imperfections
such
as
low
conductivity
poor
active
sites
requires
a
strategic
approach
design.
This
review
explores
the
latest
advancements
modified
by
mono‐/bimetallic
heterojunction
strategies
It
can
be
subdivided
into
three
key
points:
(i)
regulatory
mechanisms
of
metal
doping
materials;
(ii)
preparation
methods
with
strategies;
(iii)
synergistic
effects
two
approaches,
further
highlighting
applications
supercapacitors,
alkaline
ion
batteries,
electrocatalysis.
Finally,
concludes
perspectives
recommendations
advance
these
technologies.
