Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
CO
2
reduction
reaction
(CO
RR),
as
a
promising
strategy
for
storing
renewable
energy
and
promoting
carbon
resource
recycling,
is
critical
industrial
development.
Previous
reports
have
extensively
explored
catalyst‐electrolyte
microenvironmental
modulation
to
elucidate
coupling
mechanisms
enhance
catalytic
conversion
multicarbon
products.
Currently,
most
reviews
mainly
focus
on
the
impact
of
microenvironment
in
low‐current
systems
mechanism
exploration
performance
optimization,
yet
few
them
can
integrate
macroscopic
applications
with
microscopic
investigations
explore
relevance
between
development
optimization.
To
address
gap,
this
review
focuses
summarizing
challenges
advancements
high‐current
devices.
By
introducing
models
different
scales
sequentially,
connection
device
clarified.
Then,
various
invalidation
effective
solutions
are
summarized
intuitively
expound
stability.
Meanwhile,
an
intuitive
measure
rationality
modulation,
evaluation
methods
should
be
refined,
which
also
covered
further
detail
below.
Finally,
more
valuable
challenging
prospects
discussed
guiding
transformation
RR.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
unknown, P. 18156 - 18166
Published: Nov. 23, 2024
The
effects
of
the
electrical
double
layer
(EDL),
which
pertain
to
compositions
and
interactions
among
electrolyte
species,
significantly
impact
catalytic
process.
There
is
a
pressing
need
investigate
role
components
deepen
our
understanding
EDL
effects.
In
this
study,
we
tune
water
activity
within
range
anionic
surfactants
featuring
different
functional
groups
adjust
H2
evolution
CO2
reduction
selectivity.
We
demonstrate
that
these
are
active
in
local
reaction
environment
under
cathodic
potential.
enhanced
selectivity
CO
can
be
attributed
robust
interfacial
hydrogen-bonding
network
reformed
by
surfactants.
This
diminishes
dissociation
promotes
hydrogenation
step
reduction.
Notably,
incorporating
improves
performance,
registering
Faradaic
efficiencies
89.7%
(RSO3–,
SDS),
97.5%
(RSO4–,
SLS),
98.4%
(RPO42–,
SMP),
98.9%
(RCOO–,
SL)
at
−1.2
V
versus
RHE,
thereby
outperforming
blank
KHCO3
(53.1%).
research
underscores
crucial
influence
additives
CO2RR.
SmartMat,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Feb. 1, 2025
ABSTRACT
Electrocatalytic
CO
2
reduction
(ECR)
is
a
promising
approach
to
converting
into
chemicals
and
fuels.
Among
the
ECR
products,
C
products
such
as
ethylene,
ethanol,
acetate
have
been
extensively
studied
due
their
high
industrial
demands.
However,
mechanistic
understanding
of
product
formation
remains
unclear
lack
in
situ
or
operando
measurements
that
can
observe
complex
instantaneous
atomic
evolutions
adsorbates
at
electrode/electrolyte
interface.
Moreover,
sensitivity
reactions
variations
interface
further
widens
gap
between
performance
enhancement.
To
bridge
this
gap,
first‐principle
studies
provide
insights
how
influences
ECR.
In
study,
we
present
review
investigating
effects
various
factors
interface,
with
an
emphasis
on
formation.
We
begin
by
introducing
essential
metrics.
Next,
discuss
classified
components
namely,
electrocatalyst,
electrolyte,
adsorbates,
respectively,
Due
interplay
among
these
factors,
aim
deconvolute
influence
each
factor
clearly
demonstrate
impacts.
Finally,
outline
directions
for
products.
The Journal of Physical Chemistry Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 3063 - 3071
Published: March 18, 2025
Electrochemical
CO2
reduction
to
multicarbon
products
is
vital
for
renewable
fuels.
While
copper
catalysts
are
effective
C2+
production,
the
instability
of
Cu+
species
hinders
long-term
performance.
The
present
study
reports
development
a
Cu2O-PdO
heterojunction
and
investigates
influence
an
unoccupied
orbital
energy
level
regulation
strategy
on
stabilization
interfacial
crystalline
Cu2O
during
reaction
(CO2RR).
hybrid
catalyst
showed
significant
improvement,
with
84%
higher
Faradaic
efficiency
C2H4,
lasted
over
7
h,
vastly
outperforming
2
h
benchmark
Cu2O.
In-situ
Raman,
ex-situ
XRD,
theoretical
calculations
reveal
that
broadened
d-orbital
in
PdO
provides
lower
electrons,
which
contributes
adjacent
ions,
high
active
interface
significantly
lowers
barrier
CO-CO
dimerization
step
(2*CO
→
*OCCO)
enhances
selectivity
activity
CO2RR
ethylene.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 21, 2025
Electrosynthesis
of
acetate
from
carbon
monoxide
(CO)
powered
by
renewable
electricity
offers
one
promising
avenue
to
obtain
valuable
carbon-based
products
but
undergoes
unsatisfied
selectivity
because
the
competing
hydrogen
evolution
reaction.
We
report
here
a
cerium
single
atoms
(Ce-SAs)
modified
crystalline-amorphous
dual-phase
copper
(Cu)
catalyst,
in
which
Ce
SAs
reduce
electron
density
Cu,
lowering
proportion
interfacial
K+
ion
hydrated
water
(K·H2O)
and
thereby
decreasing
H*
coverage
on
catalyst
surface.
Meanwhile,
transfer
Cu
yields
Cu+
species,
boost
formation
active
atop-adsorbed
*CO
(COatop),
improving
COatop-COatop
coupling
kinetics.
These
together
lead
preferential
pathway
ketene
intermediate
(*CH2-C=O)
formation,
then
reacts
with
OH-
enriched
pulsed
electrolysis
generate
acetate.
Using
this
we
achieve
high
Faradaic
efficiency
71.3
±
2.1%
toward
time-averaged
current
110.6
2.0
mA
cm−2
under
mode.
Furthermore,
flow-cell
reactor
assembled
can
produce
steadily
for
at
least
138
hours
greater
than
60%.
CO
using
faces
low
selectivity.
Here,
authors
atom
modulated
where
tailor
structure,
enabling
highly
selective
CO-to-acetate
conversion
electrolysis.
Solar RRL,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Graphitic
carbon
nitride
(g‐C
3
N
4
)
has
emerged
as
an
attractive
metal‐free
photocatalyst
due
to
its
numerous
advantages
like
tunable
surface
chemistry,
Earth
abundance,
and
nontoxicity.
Unfortunately,
photocatalytic
efficiency
been
seriously
limited
by
charge
carrier
recombination
low
reaction
dynamics.
Here,
we
report
a
BCN
achieving
highly
selective
CO
2
‐to‐CH
conversion
under
visible
light
without
requiring
any
metal
cocatalyst.
The
exfoliated
CN
nanosheets
can
enrich
the
interface
with
protons
accelerate
protonation
of
intermediate
further
produce
CH
.
Moreover,
B
doping
not
only
introduces
more
reactive
defects
but
also
tunes
electronic
structure
negative
conduction
band
for
rapid
electron
extraction
enhance
conversion.
Photocatalytic
measurements
show
that
production
rate
/CO
ratio
are
24
13
times
higher
than
those
bulk
CN,
respectively.
reach
130
31
few‐layer
g‐C
(FL‐CN)
Cu/FL‐CN,
selectivity
toward
generation
on
photocatalysts
≈90%.
Furthermore,
sunlight
driving
such
demonstrated.
This
work
offers
new
insights
design
customized
multifunctional
2D
materials
solar‐driven