Mechanistic
understanding
of
how
electrode-electrolyte
interfaces
evolve
dynamically
is
crucial
for
advancing
water-electrolysis
technology,
especially
the
restructuring
catalyst
surface
during
complex
electrocatalytic
reactions.
However,
perovskite
fluorides,
mechanistic
exploration
influence
dynamic
on
their
chemical
property
and
catalytic
mechanism
unclear
due
to
poor
conductivity
that
makes
definition
electrocatalyst
structure
difficult.
Herein,
oxygen
evolution
reaction
(OER),
various
operando
characterizations
are
employed
investigate
structure-activity
relationships
KNi
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
In‐depth
comprehension
and
improvement
of
the
sluggish
hydrogen
evolution
kinetics
in
alkaline
media
is
highly
important
to
enhance
activity
durability
anion
exchange
membrane
water
electrolysis
(AEMWE)
for
green
production.
Herein,
a
atom‐terminated
core–shell
PdH@Ru
nanobamboos
(NBs)
developed
by
synergetic
strategy
epitaxial
growth
situ
DMF
hydrogenation.
The
synthesized
NBs
demonstrate
exceptional
reaction
(HER)
media,
requiring
only
14
mV
overpotential
at
10
mA
cm
−2
,
surpassing
those
commercial
Pt/C
(35
mV)
H‐free
Pd@Ru
(37
mV).
Furthermore,
an
AEMWE
device
using
as
cathode
also
achieves
current
density
1000
−
2
≈1.80
V
1.0
m
KOH
60
°C,
with
continuous
operation
50
h.
operando
spectroscopic
analysis
functional
theory
calculations
suggest
that
insertion
into
induces
tensile
strain
on
Ru
surface
layer,
altering
Pd/Ru
electronic
structure
weakening
H
adsorption,
thereby
enhancing
HER
efficiency.
bamboo‐like
hollow
features
numerous
active
sites,
which
contribute
optimization
electron/mass
diffusion
electrolyte.
This
work
provides
potential
high‐efficiency
cathodic
electrocatalyst
industrial
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
The
interaction
between
electrocatalytic
active
centers
and
their
support
is
essential
to
the
performance,
which
could
regulate
electronic
structure
of
metal
but
requires
precise
design.
Herein,
we
report
on
covalent
grafting
graphene
quantum
dots
(GQDs)
stepped
TiO
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Wastewater
from
industrial
chemical
synthesis,
agricultural
activities,
and
domestic
sewage
usually
contains
high
levels
of
nitrogenous
compounds,
endangering
environmental
health
human
well-being.
Nitrogenous
wastewater
electrolysis
(NWE),
despite
its
ecological
merits,
is
inherently
hampered
by
sluggish
kinetics.
To
improve
process
efficiency,
lower
costs,
avoid
cross-contamination
between
the
anode
cathode,
a
range
bifunctional
transition-metal
catalysts
capable
efficient
operation
at
both
electrodes
have
recently
been
developed.
This
review
outlines
progress
in
these
for
energy-saving
production
hydrogen
wastewater,
including
urea,
hydrazine,
ammonia.
It
highlights
their
dual
role
degrading
pollutants
generating
energy.
The
meticulously
introduces
key
performance
metrics
NWE
system
surveys
latest
advancements
catalysts,
along
with
catalytic
mechanisms.
culminates
detailed
summary
comparative
analysis
representative
emphasizing
electricity
consumption
efficiency.
Lastly,
existing
challenges
research
prospects
are
thoroughly
discussed.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
Transition
metal
phosphides
(TMPs)
are
widely
applied
in
electrocatalytic
reactions,
such
as
the
hydrogen
evolution
reaction
(HER),
due
to
their
excellent
physicochemical
properties.
However,
when
utilized
CO2
reduction
severe
limits
activation
of
molecules.
In
this
study,
oxygen
atoms
were
successfully
migrated
from
TiO2
into
Ni2P
nanoparticles
through
a
simple
impregnation
and
low-temperature
phosphidation
process,
constructing
an
O–Ni2P/TiO2
nanowire
array
electrode
that
modulates
surface
electronic
structure,
inhibits
evolution,
promotes
activation.
At
potential
−0.4
V
(vs
RHE),
CH4
production
rate
reached
1.46
μmol·h–1·cm–2,
with
Faraday
efficiency
11.8%,
maintained
long-term
stability
during
36-h
process.
situ
infrared
spectroscopy
revealed
CO*
CH3*
intermediates
easily
formed
on
material,
which
key
directly
related
CH4.
Further
density
functional
theory
(DFT)
calculations
indicated
oxygen-doped
has
lower
barrier
for
formation
CHO*,
thereby
facilitating
conversion
