Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
The
electroreduction
reaction
of
CO
2
(eCO
RR)
is
considered
an
effective
pathway
for
clean
fuel
production,
greenhouse
gas
reduction,
and
resource
recycling.
Atomically
dispersed
catalysts
exhibit
excellent
catalytic
activity
due
to
the
high
dispersion
atoms,
especially
atomically
copper
(AD
Cu).
Although
copper‐based
materials
are
major
single
component
capable
producing
multi‐carbon
products,
mechanism
usually
not
very
clear.
For
AD
Cu
catalysts,
dynamic
transformation
species
in
form
(nano)clusters,
ions
during
process
significantly
has
effect
on
performance
eCO
RR.
core
issue
that
needs
be
addressed
how
control
tune
aggregation
atoms
make
it
most
favorable
desired
product
or
pathways.
This
review
summarizes
optimization
strategies
recent
years
from
three
main
perspectives:
interface
engineering,
electrode
external
field
coupling.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
Numerous
in
situ
characterization
studies
have
focused
on
revealing
the
catalytic
mechanisms
of
single‐atom
catalysts
(SACs),
providing
a
theoretical
basis
for
their
rational
design.
Although
research
is
relatively
limited,
stability
SACs
under
long‐term
operating
conditions
equally
important
and
prerequisite
real‐world
energy
applications,
such
as
fuel
cells
water
electrolyzers.
Recently,
there
has
been
rise
destabilization
regeneration
SACs;
however,
timely
comprehensive
summaries
that
provide
catalysis
community
with
valuable
insights
directions
are
still
lacking.
This
review
summarizes
recent
advances
strategies
SACs,
specifically
highlighting
various
state‐of‐the‐art
techniques
employed
studies.
The
factors
induce
identified
by
discussing
failure
active
sites,
coordination
environments,
supports,
reaction
scenarios.
Next,
primary
introduced,
including
redispersion,
surface
poison
desorption,
exposure
subsurface
sites.
Additionally,
advantages
limitations
both
ex
discussed.
Finally,
future
proposed,
aimed
at
constructing
structure–stability
relationships
guiding
design
more
stable
SACs.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(15), P. 5336 - 5364
Published: Jan. 1, 2024
Producing
deeply
reduced
(>2
e
−
per
carbon
atom)
products
from
the
electrochemical
CO
2
reduction
reaction
on
non-Cu-based
catalysts
is
an
attractive
and
sustainable
approach
for
utilization.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Structural
transformation
of
electrocatalyst
contributes
to
its
catalytic
activity
and
selectivity.
Properly
guided
stabilized
offers
enhanced
catalyst
performance,
while
unregulated
surface
reconstruction
may
lead
deactivation.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Abstract
The
electrocatalytic
conversion
of
CO
2
into
valuable
multi‐carbon
(C
2+
)
products
using
Cu‐based
catalysts
has
attracted
significant
attention.
This
review
provides
a
comprehensive
overview
recent
advances
in
catalyst
design
to
improve
C
selectivity
and
operational
stability.
It
begins
with
an
analysis
the
fundamental
reaction
pathways
for
formation,
encompassing
both
established
emerging
mechanisms,
which
offer
critical
insights
design.
In
situ
techniques,
essential
validating
these
by
real‐time
observation
intermediates
material
evolution,
are
also
introduced.
A
key
focus
this
is
placed
on
how
enhance
through
manipulation,
particularly
emphasizing
catalytic
site
construction
promote
C─C
coupling
via
increasing
*
coverage
optimizing
protonation.
Additionally,
challenge
maintaining
activity
under
conditions
discussed,
highlighting
reduction
active
charged
Cu
species
materials
reconstruction
as
major
obstacles.
To
address
these,
describes
strategies
preserve
sites
control
including
novel
utilization
mitigation
reconstruction.
By
presenting
developments
challenges
ahead,
aims
guide
future
conversion.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 10, 2025
Abstract
Benefiting
from
the
optimal
interaction
strength
between
Cu
and
reactants,
Cu‐based
catalysts
exhibit
a
unique
capability
of
facilitating
formation
various
multi‐carbon
products
in
electricity‐driven
CO
2
reduction
reactions
(CO
ERR).
Nonetheless,
ERR
process
on
these
is
characterized
by
intricate
polyproton‐electron
transfer
mechanisms
that
are
frequently
hindered
high
energy
barriers,
sluggish
reaction
kinetics,
low
C─C
coupling
efficiency.
This
review
employs
advanced
characterization
techniques,
such
as
sum
frequency
generation
technology,
to
provide
comprehensive
analysis
mechanism
surface,
examining
it
both
spatial
temporal
dimensions
proposing
spatial‐temporal
mechanism.
To
improve
efficiency,
series
regulatory
strategies
focused
surface
microenvironment,
catalyst
structure,
internal
electronic
thereby
offering
novel
insights
for
upcoming
design
enhancement
electrocatalysts.
Exploration,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
ABSTRACT
Electrochemical
CO
2
reduction
reaction
(CO
RR)
has
received
great
attention
to
solve
‐
induced
global
warming
and
carbon
neutrality.
It
is
essential
enhance
the
electrochemical
RR
selectivity,
activity,
long‐term
stability
for
sustainable
manufacturing
of
specific
chemicals
via
RR.
To
produce
multi‐carbon
(C
2+
)
chemicals,
Cu‐based
heterogeneous
catalysts
have
been
developed
in
terms
defect
engineering,
morphological
design,
facet
control.
Despite
substantial
efforts
design
efficient
catalysts,
there
exist
inevitable
structural
changes
with
continuous
dissolution
redeposition
during
This
reconstruction
modifies
as‐synthesized
into
an
unpredictable
structure
leads
active
site.
Here,
we
review
RR,
which
occurs
process.
includes
fundamental
principles
effect
microenvironment
on
We
offer
research
progress
about
electrocatalysts,
analysis
methodologies
track
reconstruction,
insight
improve
provide
perspective
understand
harness
development
catalysts.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Abstract
This
study
presents
a
two‐step
wet‐chemistry
method
for
synthesizing
AuAgCu
x
nanoparticles
(NPs)
using
AuAg
NP
seeds.
In‐depth
research
investigates
how
composition
and
temperature
interact
to
drive
phase
transformations,
linking
composition,
structure,
catalytic
function.
These
findings
reveal
that
the
alloying
process
exhibits
unique
composition‐dependent
behavior
under
heat
treatment,
resulting
in
transformation
sequence
progresses
from
ternary
alloy
binary
alloy,
ultimately
an
ordered
structure
as
varies.
In
this
process,
silver
tends
migrate
away
stable
diffusing
outward
surface,
while
copper
diffuses
inward,
forming
AuCu
alloy.
CO
2
reduction
experiments
demonstrate
Faradaic
efficiency
of
(FE
)
can
be
finely
tuned
throughout
entire
system.
Additionally,
these
results
highlight
crucial
roles
density
grain
boundaries
(GB)
enhancing
overall
activity.
work
not
only
sheds
light
on
complex
interactions
within
systems
but
also
provides
valuable
insights
designing
more
efficient
electrochemical
catalysts
reduction.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 7, 2025
Abstract
The
electrochemical
carbon
dioxide
reduction
reaction
(CO
2
RR),
driven
by
renewable
energy,
represents
a
promising
approach
for
converting
CO
into
valuable
fuels
and
chemicals,
addressing
pressing
energy
environmental
challenges.
However,
the
development
of
high‐performance
RR
electrocatalysts
remains
constrained
limited
understanding
their
dynamic
evolution
mechanisms,
intrinsic
stability
factors,
activity
origins
under
operational
conditions.
Transmission
electron
microscopy
(TEM),
with
its
unparalleled
spatial
resolution
at
nanoscale
atomic
level,
combined
microregional
analytical
capabilities,
has
become
vital
tool
investigating
heterogeneous
electrocatalysis.
Among
these
techniques,
in
situ
liquid
cell
TEM
(LC‐TEM)
enables
real‐time
visualization
structural
morphological
changes
catalysts
during
RR.
This
review
critically
examines
recent
advancements
LC‐TEM
applications
RR,
focusing
on
three
key
aspects
electrocatalysts:
morphology,
transformation
phase
structure,
identification
active
sites.
It
highlights
pivotal
role
elucidating
structure–activity
relationships
activation
deactivation
mechanisms
electrocatalysts.
Moreover,
discusses
primary
challenges
facing
outlines
future
directions
advancing
electrolysis
research.
