ChemPlusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 27, 2024
Lattice
strain
engineering
represents
a
cutting-edge
approach
capable
of
delivering
enhanced
performance
across
various
applications.
The
lattice
can
affect
the
electrochemical
catalysts
by
changing
binding
energy
between
surface-active
sites
and
intermediates.
In
this
work,
is
regulated
through
homo/heterogeneous
atomic
interface
merging.
strong
electronic
interactions
Ni
Mo
facilitated
reaction
kinetic
HER.
prepared
NiMo@SSM
exhibits
excellent
HER
catalytic
with
70
mV
overpotential
at
current
density
10
mA
cm
Applied Physics Letters,
Journal Year:
2025,
Volume and Issue:
126(15)
Published: April 1, 2025
NiFe-based
(oxy)hydroxides
are
promising
oxygen
evolution
reaction
(OER)
catalysts
but
suffer
from
severe
Fe
dissolution
under
operational
conditions,
rapidly
resulting
in
a
significant
drop
activity.
Here,
we
report
quasi-in
situ
redeposition
strategy
enabled
by
Ce
doping
to
realize
rapid
capture
and
deposition
of
species
on
the
surface
NiFeOOH.
During
OER
process,
dissolved
ions,
owing
their
large
ionic
radius
strong
electrostatic
attraction,
enhance
OH−
concentration
at
solid–liquid
interface,
accelerating
suppressing
leaching
into
electrolyte.
This
significantly
enhances
activity
durability
high-current
density.
The
optimized
Ce-NiFeOOH
catalyst
delivers
an
overpotential
294
mV
1000
mA
cm−2
maintains
excellent
stability
500
cm−2.
offers
feasible
direction
design
highly
stable
transition-metal-based
for
OER.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(8), P. 3070 - 3083
Published: July 21, 2024
The
sluggish
catalytic
kinetics
of
nonprecious
metal-based
electrocatalysts
often
hinder
them
from
achieving
efficient
hydrogen
evolution
reactions
(HERs).
Poly(3,4-ethylenedioxythiophene)
(PEDOT)
and
its
derivatives
have
been
promising
materials
for
various
electrochemical
applications.
Nevertheless,
previous
studies
demonstrated
that
PEDOT
coatings
can
be
detrimental
to
HER
performance.
In
this
study,
we
investigated
the
alkaline
efficiency
nickel
foam
coated
with
three
types
ethylene
glycol
(EG)-functionalized
EDOT.
Specifically,
EDOT
bearing
hydroxyl
(-OH)
methoxy
(-OCH