Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
Four
cobalt-based
metal-organic
frameworks
(Co-MOFs)
based
on
different
ligands
with
varying
electron-donating
properties
(dpt
=
2,5-di(pyridin-4-yl)-1,3,4-thiadiazole,
NH₂bdc
5-aminoisophthalic
acid,
OHbdc
5-hydroxyisophthalic
H₂tdc
thiophene-2,5-dicarboxylic
and
hfipbb
4,4'-(hexafluoropropane-2,2-diyl)bisbenzoic
acid)
are
synthesized.
Among
them,
Co-dpt-NH₂bdc
demonstrates
the
highest
nitrogen
reduction
reaction
activity,
achieving
an
ammonia
(NH
Chemical Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
The
electrocatalytic
technique,
as
an
efficient
energy
storage
and
conversion
technology,
has
attracted
significant
attention
to
address
exhaustion
environmental
pollution.
Usually,
the
activity
selectivity
of
reactions
are
largely
dominated
by
dynamic
process
occurring
on
electrocatalysts.
Therefore,
high-performance
electrocatalysts,
which
can
dominate
pathway
barrier
reactions,
great
significance
for
advancement
technique.
Metal-organic
frameworks
(MOFs),
emerging
crystalline
porous
materials,
present
structural
component
advantages
including
well-defined
structure,
high
surface
area,
large
porosity,
diverse
components,
easy
tailorability,
demonstrating
fantastic
potential
precise
fabrication
In
this
Review,
strategies
in
electrocatalysts
based
MOF-related
materials
specifically
introduced
from
aspects
catalytic
site
design
microenvironment
modulation
around
sites.
Furthermore,
representative
progress
achieved
various
applications
employing
MOF-based
is
systematically
summarized,
with
special
emphasis
MOFs
performance
optimization.
Finally,
remaining
challenges
future
perspectives
further
highlighted.
Journal of Materials Chemistry C,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Mn/Fe
co-doping
modulates
the
electronic
structure
of
transition
metal
phosphides
(Mn–Fe–Ni
2
P)
to
form
coupling,
which
enhances
performance
and
stability
electrocatalytic
overall
water
splitting.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Although
hierarchical
porous
carbon
materials
have
been
widely
used
for
electrocatalysis,
the
role
of
curvature
in
nanostructures
during
electrochemical
reactions
remains
poorly
understood
due
to
a
lack
experimental
models
featuring
clearly
defined
curved
geometries
and
periodic
structures.
In
this
study,
we
fabricate
cobalt-
nitrogen-containing
nanoplates
with
trimodal
porosity
(macro-,
meso-,
micropores)
continuous,
homogeneous
edges
(Co/N-CNP-CURV)
using
polystyrene-directed
templating
approach.
The
Co/N-CNP-CURV
catalyst
exhibits
excellent
catalytic
activity
stability
alkaline
oxygen
reduction
reaction,
half-wave
potential
0.82
V
minimal
shift
8
mV
after
5000
cycles.
enhanced
electrocatalytic
is
attributed
synergistic
combinations
porosity,
abundant
Co-Nx
active
sites,
high
density
edges,
graphitic
encapsulated
cobalt
nanoparticles.
Density
functional
theory
calculations
reveal
that
presence
beneficial
enhancing
charge
transfer
from
O2,
lowering
adsorption
energy
reducing
activation
free
barrier
rate-determining
step
(*O2
+
(H+
e-)
→
*OOH).
study
provides
compelling
evidence
supporting
critical
effect
performance
nanoporous
metal-containing
materials.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(44), P. 17819 - 17828
Published: Jan. 1, 2024
Although
Ni-based
materials
are
widely
used
as
electrocatalysts,
it
remains
necessary
to
further
explore
their
selectivity
towards
the
four-
or
two-electron
oxygen
reduction
reaction
(ORR).
Herein,
is
proposed
synthesize
NiO@NCNTs
(NCNTs
=
N-doped
carbon
nanotubes)
using
a
metal-organic
framework
(MOF),
[Ni(BZIDA)(H
The
inherent
sluggish
kinetics
of
water
oxidation
is
the
core
issue
for
electrochemical
hydrogen
production
from
splitting.
Metal
organic
frameworks
(MOFs)
with
tunable
porous
structures,
abundant
coordination
metal
centers
and
large
specific
surface
area
are
expected
as
efficient
electrocatalysts.
In
this
paper,
FeNi-LDH/MOF
composite
nanostructures
were
successfully
constructed
on
carbon
cloth
(CC)
through
partially
converting
iron-nickel
layered
double
hydroxide
(FeNi-LDH)
into
FeNi-MOF
(Ni[Fe(CN)5NO])
by
an
in-situ
semi-etching
method.
MOF
nanocrystals
in
material
decorated
FeNi-LDH
nanosheets,
providing
open
active
sites
mass
transfer
channels
electrocatalysis.
Thanks
to
synergistic
effect
LDH
MOF,
well
exceptional
hierarchical
architecture,
FeNi-LDH/MOF/CC
a
self-supported
electrode
exhibits
distinguished
electrocatalytic
OER
performance,
low
overpotential
263
mV@100
mA
cm-2
small
Tafel
slope
50.2
mV
dec-1
1.0
M
KOH.
addition,
catalyst
good
durability
almost
constant
current
density
during
24
h
test.
This
work
provides
effective
way
design
high-performance
MOFs-based
materials.
