Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 4, 2024
Abstract
Efficient,
durable,
and
economical
oxygen
reduction
catalysts
are
key
for
practical
applications
such
as
fuel
cells
metal–air
batteries.
Single
atom
(SACs)
have
attracted
sustained
widespread
attention
owing
to
their
unique
electronic
properties
exceptional
atomic
utilization,
positioning
them
promising
electrocatalysts
in
energy
conversion
storage.
However,
the
symmetric
charge
distribution
of
metal
site
M‐N
4
configuration
SACs
is
not
conducive
electron
transfer
transport
electrocatalytic
reactions,
resulting
a
low
adsorption
reaction
(ORR)
related
species
(*OH,
*O,
*OOH),
which
severely
limits
intrinsic
activity
electrocatalysts.
To
overcome
this
limitation
improve
durability,
heteroatom
doping
can
effectively
modulate
local
coordination
environment
(LCE)
atom,
including
coordinating
atoms,
shells
number.
These
modifications
significantly
improved
performance
carbon
supported
with
ORR.
Based
on
this,
thorough
summary
major
progress
made
recent
years
adjusting
LCE
through
heteroatoms
provided
perspective
future
development
offered
here.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 13, 2024
Single-atom
electrocatalysts
(SACs)
are
a
class
of
promising
materials
for
driving
electrochemical
energy
conversion
reactions
due
to
their
intrinsic
advantages,
including
maximum
metal
utilization,
well-defined
active
structures,
and
strong
interface
effects.
However,
SACs
have
not
reached
full
commercialization
broad
industrial
applications.
This
review
summarizes
recent
research
achievements
in
the
design
crucial
electrocatalytic
on
sites,
coordination,
substrates,
as
well
synthesis
methods.
The
key
challenges
facing
activity,
selectivity,
stability,
scalability,
highlighted.
Furthermore,
it
is
pointed
out
new
strategies
address
these
increasing
activity
enhancing
utilization
improving
optimizing
local
environment,
developing
fabrication
techniques,
leveraging
insights
from
theoretical
studies,
expanding
potential
Finally,
views
offered
future
direction
single-atom
electrocatalysis
toward
commercialization.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 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.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
Electrochemical
converting
CO
2
to
via
single
atom
catalyst
is
an
effective
strategy
for
reducing
concentration
in
the
atmosphere
and
achieving
a
carbon‐neutral
cycle.
However,
relatively
low
industrial
processes
large
energy
barriers
activating
severely
obstruct
actual
application.
Reasonably
modulating
coordination
shell
of
active
center
enhance
activity
catalysts.
Herein,
well‐designed
single‐atom
electrocatalyst
Ni‐N
3
S
1
developed
large‐scale
synthesis
strategy.
The
constructed
S‐C
exhibits
superior
catalytic
than
4
‐C
conversion
H‐type
cells,
industrial‐level
current
density
with
excellent
durability
at
wide
pH
range
can
be
achieved
gas‐diffusion
flow
cells.
Experimental
results
functional
theory
(DFT)
calculation
demonstrate
that
introducing
electronegative
significantly
regulate
electronic
structure
site,
promoting
adsorption
capacity
decreasing
barrier
*COOH
formation,
thus
larger
size
flexibility
sulfur
mitigate
nickel
agglomeration
stability
catalyst.
This
work
provides
designing
highly
catalysts
electrocatalysis
reactive
sites.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Abstract
Oxygen
reductions
and
evolution
reactions
(ORR/OER)
are
pivotal
electrochemical
processes
in
fuel
cells
metal‐air
batteries,
yet
the
rapid,
large‐scale
production
of
efficient
ORR/OER
electrocatalysts
remains
challenging.
Herein,
a
groundbreaking
microwave‐synthesis
strategy
is
presented
that
enables
rapid
facile
preparation
kilogram‐scale
electrocatalysts.
The
unique
microwave
irradiation
generates
instantaneous
thermal
energy,
facilitating
formation
nano‐carbon
bridges
interconnect
high‐density
active
sites
comprising
cobalt
single
atoms
nanoparticles.
This
innovative
architectural
configuration
significantly
enhances
kinetics
electron/mass
transfer
maximizing
accessibility
sites.
optimized
carbon‐bridged
catalyst
(CBCo‐800)
demonstrates
commendable
half‐wave
potential
(
E
1/2
)
0.86
V
versus
RHE
minimal
overpotential
difference
(Δ
0.696
V.
Furthermore,
lab‐assembled
zinc‐air
battery
utilizing
CBCo‐800
achieved
great
specific
capacity
794
mAh
g
−1
sustained
over
650
h,
outperforming
commercial
Pt/C
RuO
2
catalysts.
Density
functional
theory
(DFT)
calculations
elucidate
nanocarbon
bridge
between
dual‐active
boosts
oxygen
activation
optimizes
adsorption/desorption
dynamics
*OH/*OOH
intermediates,
thereby
lowering
energy
barriers
for
ORR/OER.
study
offers
solution
producing
site
materials,
also
establishes
robust
platform
mass
high‐performance
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
During
the
reaction
process
in
lithium-sulfur
batteries,
Lewis
acidic
lithium
polysulfides
(LiPSs)
affect
ion
distribution
and
overall
electrolyte
stability,
degrading
battery
performance
product
(e.g.,
Li
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(38)
Опубликована: Июнь 21, 2024
Electrochemical
reduction
reactions,
as
cathodic
processes
in
many
energy-related
devices,
significantly
impact
the
overall
efficiency
determined
mainly
by
performance
of
electrocatalysts.
Metal-organic
frameworks
(MOFs)
derived
carbon-supported
metal
materials
have
become
one
star
electrocatalysts
due
to
their
tunable
structure
and
composition
through
ligand
design
screening.
However,
for
different
electroreduction
required
active
species
vary
phase
component,
electronic
state,
catalytic
center
configuration,
hence
requiring
effective
customization.
From
this
perspective,
review
comprehensively
analyzes
structural
principles,
loading
strategies,
practical
performance,
complex
mechanisms,
thereby
providing
insights
guidance
future
rational
such
catalysts.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 27, 2024
Abstract
Semihydrogenation
is
a
crucial
industrial
process.
Noble
metals
such
as
Pd
have
been
extensively
studied
in
semihydrogenation
reactions,
owing
to
their
unique
catalytic
activity
toward
hydrogen
activation.
However,
the
overhydrogenation
of
alkenes
alkanes
often
happens
due
rather
strong
adsorption
on
active
phases.
Herein,
we
demonstrate
that
incorporation
phases
single‐atom
sites
perovskite
lattices
SrTiO
3
can
greatly
alternate
electronic
structure
and
coordination
environment
facilitate
desorption
than
further
hydrogenation.
Furthermore,
incorporated
be
well
stabilized
without
sintering
by
host–guest
interaction
with
during
activation
H
species
hydrogenation
reactions.
As
result,
(Pd‐SrTiO
)
exhibits
an
excellent
time‐independent
selectivity
(>99.9
%)
robust
durability
for
photocatalytic
phenylacetylene
styrene.
This
strategy
based
will
broad
implications
development
high‐performance
photocatalysts
selective
