Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
This
study
demonstrates
the
electrochemical
reduction
of
carbon
monoxide
(COR)
at
high
current
densities
in
a
zero‐gap
electrolyzer
cell
and
stack.
By
systematically
optimizing
both
commercially
available
membrane
electrode
assembly
components
(including
binder
content
gas
diffusion
layer)
operating
conditions,
we
could
perform
COR
up
to
1.4
A
cm
−2
with
maximum
C
2+
selectivity
90%.
We
demonstrated
scale‐up
3
×
100
2
stack
that
can
sustain
stable
operation
1
for
several
hours
without
significant
performance
decay
total
~80%
an
ethylene
~40%.
provide
critical
insights
into
holistic
optimization
key
system
parameters,
using
special
catalysts
or
surface
additives,
which
pave
way
scalable
industrially
viable
processes.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Electrocatalytic
CO
2
reduction
(CO
RR)
is
rapidly
emerging
as
a
promising
sustainable
strategy
for
transforming
into
valuable
fuels
and
chemical
feedstocks,
crucial
step
toward
carbon‐neutral
society.
The
efficiency,
selectivity,
stability
of
RR
are
heavily
influenced
by
the
chosen
catalyst
operating
conditions
used.
Despite
substantial
advances
in
development
catalysts,
there
scarcity
comprehensive
reviews
focusing
on
influence
different
environments
performance.
This
review
offers
detailed
examination
internal
external
environmental
control
strategies
designed
to
enhance
efficiency.
fundamental
reaction
mechanisms
through
situ
operational
techniques,
paired
with
theoretical
analyses,
discussed
while
also
identifying
key
challenges
future
research
directions
technology.
By
delivering
overview
current
state
field,
this
highlights
critical
role
control,
mechanistic
insights,
practical
considerations
needed
successful
commercialization
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
The
electrochemical
CO
2
reduction
reaction
(CO
RR)
to
valuable
C
2+
products
emerges
as
a
promising
strategy
for
converting
intermittent
renewable
energy
into
high‐energy‐density
fuels
and
feedstock.
Leveraging
its
substantial
commercial
potential
compatibility
with
existing
infrastructure,
the
conversion
of
multicarbon
hydrocarbons
oxygenates
(C
)
holds
great
industrial
promise.
However,
process
is
hampered
by
complex
multielectron‐proton
transfer
reactions
difficulties
in
reactant
activation,
posing
significant
thermodynamic
kinetic
barriers
commercialization
production.
Addressing
these
necessitates
comprehensive
approach
encompassing
multiple
facets,
including
effective
control
C─C
coupling
electrolyzers
using
efficient
catalysts
optimized
local
environments.
This
review
delves
advancements
outstanding
challenges
spanning
from
microcosmic
macroscopic
scales,
design
nanocatalysts,
optimization
microenvironment,
development
electrolyzers.
By
elucidating
influence
electrolyte
environment,
exploring
flow
cells,
guidelines
are
provided
future
research
aimed
at
promoting
coupling,
thereby
bridging
microscopic
insights
applications
field
electroreduction.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
147(9), P. 7564 - 7577
Published: Feb. 21, 2025
Imidazolium-based
ionic
liquids
have
led
to
enhanced
CO2
electroreduction
activity
due
cation
effects
at
the
cathode
surface,
stabilizing
reaction
intermediates
and
decreasing
activation
energy.
In
aqueous
media,
alkali
cations
are
also
known
improve
reduction
on
metals
such
as
Ag,
with
enhancement
attributed
electrical
double
layer
trending
size
of
cation.
However,
effect
a
mixed
catholyte
solution
in
presence
an
imidazolium-based
liquid
has
not
been
well-explored.
Herein,
1-ethyl-3-methylimidazolium
tetrafluoroborate,
[EMIM][BF4],
water
was
investigated
salts
unravel
interaction
for
Ag.
Although
both
[EMIM]+
individually
improved
CO
conversion
Ag
water,
electrochemical
results
showed
that
hindered
imidazolium-mediated
most
conditions.
Li+,
particular,
sharply
inhibitory
compared
other
strongly
redirected
selectivity
hydrogen
evolution.
The
nature
inhibition
spectroscopic
techniques,
including
situ
surface-enhanced
Raman
spectroscopy
(SERS)
dynamic
impedance
(DEIS).
Along
computational
insights
from
density
functional
theory
(DFT),
data
suggest
inhibit
[EMIM]-mediated
by
competing
surface
adsorption
sites,
preventing
potential-dependent
structural
reorientation
imidazolium,
promoting
evolution
bringing
solvated
surface.
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.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
To
surmount
the
shortcomings
of
powder-based
catalysts
and
small
electrode
sizes,
development
meter-scale
integrated
materials
is
essential
for
practical
electrocatalytic
applications,
which
requires
fine
control
over
effective
surface
grafting
catalytic
active
sites
on
large-size
electrodes
as
well
addressing
challenge
balancing
cost-effective
large-scale
manufacturing
with
highly
stable
operation.
Herein,
we
report
a
low-cost,
facile,
scalable
method
directly
constructing
single-molecule-integrated
using
commercially
available,
flexible,
size-tailored
conductive
carbon
textiles
(e.g.,
graphite
felt)
well-defined
planar
conjugated
molecules
metallophthalocyanines)
via
heterostacking
steered
cross-scale
heterointerfacial
assembly.
This
universal
unlocks
limitations
traditional
approaches
that
involve
integrating
catalysts,
particles,
binders
Nafion),
supported
paper)
through
multiple
processing
steps
typically
result
in
centimeter-level
electrodes.
Meaningfully,
our
enables
precise
size,
composition,
microenvironment,
structure
to
match
various
environments.
As
proof
concept,
an
thiophene-gilded
cobalt
phthalocyanine
demonstrates
outstanding
activity
stability
CO2
electroconversion
alkaline,
neutral,
acidic
media
under
industrially
relevant
current
densities,
even
flowing
paired-electrolysis
system.
study
provides
comprehensive
scientific
data
engineering
guidance
systematic
design
scalable,
binder-free
electrodes,
thereby
promising
drive
sustainable
energy-efficient
electrolysis
industrial
scene.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(25), P. 10881 - 10896
Published: June 11, 2024
One
of
the
most
promising
approaches
to
address
global
challenge
climate
change
is
electrochemical
carbon
capture
and
utilization.
Solid
electrolytes
can
play
a
crucial
role
in
establishing
chemical-free
pathway
for
CO2.
Furthermore,
they
be
applied
electrocatalytic
CO2
reduction
reactions
(CO2RR)
increase
utilization,
produce
high-purity
liquid
chemicals,
advance
hybrid
electro-biosystems.
This
review
article
begins
by
covering
fundamentals
processes
capture,
emphasizing
advantages
utilizing
solid
electrolytes.
Additionally,
it
highlights
recent
advancements
use
polymer
electrolyte
or
layer
CO2RR
with
multiple
functions.
The
also
explores
avenues
future
research
fully
harness
potential
electrolytes,
including
integration
performance
assessment
under
realistic
conditions.
Finally,
this
discusses
opportunities
challenges,
aiming
contribute
establishment
green
sustainable
society
through
valorization.
