Rapid synthesis of metastable materials for electrocatalysis
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Metastable
materials
are
considered
promising
electrocatalysts
for
clean
energy
conversions
by
virtue
of
their
structural
flexibility
and
tunable
electronic
properties.
However,
the
exploration
synthesis
metastable
via
traditional
equilibrium
methods
face
challenges
because
requirements
high
precise
control.
In
this
regard,
rapid
method
(RSM),
with
efficiency
ultra-fast
heating/cooling
rates,
enables
production
under
non-equilibrium
conditions.
relationship
between
RSM
properties
remains
largely
unexplored.
review,
we
systematically
examine
unique
benefits
various
techniques
mechanisms
governing
formation
materials.
Based
on
these
insights,
establish
a
framework,
linking
electrocatalytic
performance
Finally,
outline
future
directions
emerging
field
highlight
importance
high-throughput
approaches
autonomous
screening
optimal
electrocatalysts.
This
review
aims
to
provide
an
in-depth
understanding
electrocatalysts,
opening
up
new
avenues
both
fundamental
research
practical
applications
in
electrocatalysis.
Язык: Английский
In situ regulating the accessibility and structure of Fe-based catalytic sites to break trade-off between the activity and stability for oxygen reduction
Journal of Colloid and Interface Science,
Год журнала:
2025,
Номер
697, С. 137910 - 137910
Опубликована: Май 16, 2025
Язык: Английский
Weakening the Dissociation Barrier of Hydroxyl in Fe–N–C Catalysts via Precisely Manipulating d–p Orbital Hybridization Behaviors for Efficient Oxygen Reduction Reaction
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 27, 2025
Abstract
The
fine‐tuning
of
*OH
adsorption
strength
serves
as
a
crucial
strategy
for
optimizing
the
oxygen
reduction
reaction
(ORR)
performance
in
Fe–N–C
catalysts.
This
study
proposes
comprehensive
integration
theoretical
predictions
and
experimental
validation,
demonstrating
rationality
feasibility
asymmetric
multiple
doping
Co
B
second
coordination
sphere
FeN
4
(Fe,
Co/NCB)
to
facilitate
desorption.
Density
functional
theory
(DFT)
calculations
predict
that
strategic
coupling
effectively
modulates
hybridization
behavior
between
3
d
z
2
orbital
Fe
active
sites
p
intermediates.
interaction
elevates
occupancy
antibonding
orbitals,
thereby
promoting
dissociation.
Furthermore,
enhanced
stability
Fe─N
bonds
Fe,
Co/NCB
suppresses
demetallization
process
sites.
Guided
by
predictions,
synergistic
“metal
substitution
spatial
confinement
encapsulation”
is
developed
synthesize
Co/NCB.
As
expected,
demonstrates
outstanding
ORR
activity
alkaline
acidic
electrolytes,
with
assembled
zinc–air
batteries
delivering
exceptional
power
density
cycling
stability.
elucidates
critical
role
heteroatom
modulating
catalytic
Язык: Английский