ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Heterogeneous
dual-atom
catalysts
(DACs),
defined
by
atomically
precise
and
isolated
metal
pairs
on
solid
supports,
have
garnered
significant
interest
in
advancing
catalytic
processes
technologies
aimed
at
achieving
sustainable
energy
chemical
production.
DACs
present
board
opportunities
for
atomic-level
structural
property
engineering
to
enhance
performance,
which
can
effectively
address
the
limitations
of
single-atom
catalysts,
including
restricted
active
sites,
spatial
constraints,
typically
positive
charge
nature
supported
single
species.
Despite
rapid
progress
this
field,
intricate
relationship
between
local
atomic
environments
behavior
dual-metal
sites
remains
insufficiently
understood.
This
review
highlights
recent
major
challenges
field.
We
begin
discussing
modulation
coordination
electronic
structures
its
impact
performance.
Through
specific
case
studies,
we
demonstrate
importance
optimizing
entire
ensemble
achieve
efficient,
selective,
stable
performance
both
model
industrially
relevant
reactions.
Additionally,
also
outline
future
research
directions,
emphasizing
synthesis,
characterization,
practical
applications,
aiming
fully
unlock
potential
these
advanced
catalysts.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(46)
Published: July 25, 2023
The
electrocatalytic
reduction
of
nitrate
(NO3-
)
to
nitrogen
(N2
is
an
environmentally
friendly
approach
for
efficient
N-cycle
management
(toward
a
nitrogen-neutral
cycle).
However,
poor
catalyst
durability
and
the
competitive
hydrogen
evolution
reaction
significantly
impede
its
practical
application.
Interface-chemistry
engineering,
utilizing
close
relationship
between
surface/interface
microenvironment
electron/proton
transfer
process,
has
facilitated
development
catalysts
with
high
intrinsic
activity
physicochemical
durability.
This
study
reports
synthesis
nitrogen-doped
carbon-coated
rice-like
iron
nitride
(RL-Fe2
N@NC)
electrocatalyst
excellent
nitrate-reduction
(high
N2
selectivity
(≈96%)
NO3-
conversion
(≈86%)).
According
detailed
mechanistic
investigations
by
in
situ
tests
theoretical
calculations,
strong
hydrogenation
ability
enhanced
enrichment
system
synergistically
contribute
rapid
nitrogen-containing
species,
increasing
reducing
occurrence
competing
hydrogen-evolution
side
reaction.
Moreover,
RL-Fe2
N@NC
shows
stability,
retaining
good
-to-N2
electrocatalysis
more
than
40
cycles
(one
cycle
per
day).
paper
could
guide
interfacial
design
Fe-based
composite
nanostructures
reduction,
facilitating
shift
toward
neutrality.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: March 25, 2024
Abstract
Understanding
of
fundamental
mechanism
and
kinetics
the
oxygen
evolution
reaction
(OER)
is
pivotal
for
designing
efficient
OER
electrocatalysts
owing
to
its
key
role
in
electrochemical
energy
conversion
devices.
In
past
few
years,
lattice
oxidation
(LOM)
arising
from
anodic
redox
chemistry
has
attracted
significant
attention
as
it
involves
a
direct
O─O
coupling
thus
bypasses
thermodynamic
limitations
traditional
adsorbate
(AEM).
Transition
metal‐based
oxyhydroxides
are
generally
acknowledged
real
catalytic
phase
alkaline
media.
particular,
their
low‐dimensional
layered
structures
offer
sufficient
structural
flexibility
trigger
LOM.
Herein,
comprehensive
overview
provided
recent
advances
anion
LOM‐based
electrocatalysts.
Based
on
analyses
electronic
structure
LOM,
strategy
proposed
activate
Possible
identification
techniques
corroboration
also
reviewed.
addition,
reconstruction
process
induced
by
LOM
focused
importance
multiple
situ/operando
characterizations
highlighted
unveil
chemical
origins
To
conclude,
prospect
remaining
challenges
future
opportunities
presented.
Materials Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
7(20), P. 4833 - 4864
Published: Jan. 1, 2023
This
review
provides
a
comprehensive
of
recent
advances
in
the
design
OER
catalysts.
Specifically,
it
focuses
on
kinetics
and
stability
catalysts,
catalytic
mechanism
innovative
strategies.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1885 - 1893
Published: Jan. 1, 2024
The
intervening
Se
induces
the
structural
asymmetricity
of
Ru-S
6
octahedrons
and
then
regulates
electronic
structure
active
Ru
site,
which
possesses
excellent
acid
water
oxidation
performance
as
an
Ir-free
catalyst.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(8), P. 4826 - 4834
Published: Jan. 1, 2024
A
composite
of
trimetallic
Fe
2.1
Ni
0.2
Co
0.7
-MIL-88A
grown
on
Ti
3
C
2
T
x
MXene
nanosheets
was
successfully
synthesized
and
employed
as
a
high-performance
OER
electrocatalyst
with
low
overpotential
231
mV
at
10
mA
cm
−2
current
density
in
alkaline
media.
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.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(49)
Published: Oct. 20, 2023
Developing
cost-effective
and
sustainable
acidic
water
oxidation
catalysts
requires
significant
advances
in
material
design
in-depth
mechanism
understanding
for
proton
exchange
membrane
electrolysis.
Herein,
we
developed
a
single
atom
regulatory
strategy
to
construct
Co-Co
dinuclear
active
sites
(DASs)
that
atomically
dispersed
zirconium
doped
Co9
S8
/Co3
O4
heterostructure.
The
X-ray
absorption
fine
structure
elucidated
the
incorporation
of
Zr
greatly
facilitated
generation
DASs
layer
with
stretching
cobalt
oxygen
bond
S-Co-O
heterogeneous
grain
boundaries
interfaces,
engineering
attractive
activity
significantly
reduced
overpotential
75
mV
at
10
mA
cm-2
,
breakthrough
500
high
current
density,
splitting
stability
hours
acid,
making
it
one
best-performing
acid-stable
OER
non-noble
metal
materials.
optimized
catalyst
interatomic
distance
(ca.
2.80
Å)
followed
oxo-oxo
coupling
involved
obvious
bridges
on
Co
(1,090
cm-1
),
confirmed
by
situ
SR-FTIR,
XAFS
theoretical
simulations.
Furthermore,
major
120,000
g-1
mass
density
using
first
reported
noble
metal-free
anode
DASs/ZCC
PEM-WE
2.14
V
was
recorded.
Small,
Journal Year:
2023,
Volume and Issue:
20(11)
Published: Nov. 5, 2023
Abstract
To
overcome
the
low
efficiency
of
overall
water
splitting,
highly
effective
and
stable
catalysts
are
in
urgent
need,
especially
for
anode
oxygen
evolution
reaction
(OER).
In
this
case,
nickel
selenides
appear
as
good
candidates
to
catalyze
OER
other
substitutable
anodic
reactions
due
their
high
electronic
conductivity
easily
tunable
structure
meet
optimized
adsorption
ability.
Herein,
an
interesting
phase
transition
from
hexagonal
NiSe
(H‐NiSe)
rhombohedral
(R‐NiSe)
induced
by
doping
cobalt
atoms
is
reported.
The
five‐coordinated
R‐NiSe
found
grow
adjacent
six‐coordinated
H‐NiSe,
resulting
formation
H‐NiSe/R‐NiSe
heterostructure.
Further
characterizations
calculations
prove
reduced
splitting
energy
thus
less
occupancy
t
2g
orbits,
which
can
facilitate
electron
transfer
process.
As
a
result,
Co
2
‐NiSe/NF
shows
satisfying
catalytic
performance
toward
OER,
hydrogen
reaction,
(hybrid)
splitting.
This
work
proves
that
trace
amounts
induce
H‐NiSe
R‐NiSe.
less‐coordinated
species
reduce
enhance
performance,
might
guide
rational
material
design.