Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(49)
Published: Aug. 13, 2024
Abstract
Electroreduction
of
CO
2
into
multi‐carbon
(C2+)
products
(e.g.
C2+
alcohols)
offers
a
promising
way
for
utilization.
Use
strong
alkaline
electrolytes
is
favorable
to
producing
products.
However,
can
react
with
hydroxide
form
carbonate/bicarbonate,
which
results
in
low
carbon
utilization
efficiency
and
poor
stability.
Using
acidic
electrolyte
an
efficient
solve
the
problems,
but
it
challenge
achieve
high
selectivity
Here
we
report
that
amine
modified
copper
nanoparticles
exhibit
at
condition.
The
Faradaic
(FE)
reach
up
81.8
%
media
(pH=2)
total
current
density
410
mA
cm
−2
over
n‐butylamine
Cu.
Especially
FE
alcohols
52.6
%,
higher
than
those
reported
electroreduction
In
addition,
single‐pass
towards
production
60
%.
Detailed
studies
demonstrate
molecule
on
surface
Cu
cannot
only
enhance
formation,
adsorption
coverage
*CO,
also
provide
hydrophobic
environment,
result
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 5149 - 5189
Published: Jan. 1, 2024
This
review
summarizes
promising
strategies
including
the
design
of
catalysts
and
construction
coupled
electrocatalytic
reaction
systems,
aimed
at
achieving
selective
production
various
products
from
CO
2
electroreduction.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(8), P. 5532 - 5542
Published: Feb. 16, 2024
The
electrochemical
carbon
dioxide
reduction
reaction
(CO2RR)
toward
C2
products
is
a
promising
way
for
the
clean
energy
economy.
Modulating
structure
of
electric
double
layer
(EDL),
especially
interfacial
water
and
cation
type,
useful
strategy
to
promote
C–C
coupling,
but
atomic
understanding
lags
far
behind
experimental
observations.
Herein,
we
investigate
combined
effect
alkali
metal
cations
on
coupling
at
Cu(100)
electrode/electrolyte
interface
using
ab
initio
molecular
dynamics
(AIMD)
simulations
with
constrained
MD
slow-growth
approach.
We
observe
linear
correlation
between
water-adsorbate
stabilization
effect,
which
manifests
as
hydrogen
bonds,
corresponding
alleviation
in
free
energy.
role
larger
cation,
compared
smaller
(e.g.,
K+
vs
Li+),
lies
its
ability
approach
through
desolvation
coordinates
*CO+*CO
moiety,
partially
substituting
hydrogen-bonding
stabilizing
water.
Although
this
only
results
marginal
barrier
it
creates
local
hydrophobic
environment
scarcity
bonds
owing
great
ionic
radius,
impeding
surrounding
oxygen
adsorbed
*CO.
This
skillfully
circumvents
further
hydrogenation
*CO
C1
pathway,
serving
predominant
factor
facilitates
coupling.
study
unveils
comprehensive
mechanism
cation–water–adsorbate
interactions
that
can
facilitate
optimization
electrolyte
EDL
efficient
CO2RR.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Electrocatalytic
dehalogenative
deuteration
is
a
sustainable
method
for
precise
deuteration,
whereas
its
Faradaic
efficiency
(FE)
limited
by
high
overpotential
and
severe
D2
evolution
reaction
(DER).
Here,
Cuδ+
site-adjusted
adsorption
crown
ether-reconfigured
interfacial
D2O
are
reported
to
cooperatively
increase
the
FE
of
up
84%
at
−100
mA
cm–2.
sites
strengthen
aryl
iodides,
promoting
mass
transfer
thus
accelerating
kinetics
toward
deuteration.
The
ethers
disrupt
hydration
effect
K·D2O
reconstruct
hydrogen
bond
with
D2O,
lowering
content
electric
double
layer
hindering
interaction
between
cathode,
inhibiting
competitive
DER.
A
linear
relationship
matched
sizes
alkali
metal
cations
demonstrated
universally
increasing
FEs.
This
also
suitable
various
halides
easily
reducible
functional
group
compatibility
improved
FEs
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(49)
Published: Aug. 13, 2024
Abstract
Electroreduction
of
CO
2
into
multi‐carbon
(C2+)
products
(e.g.
C2+
alcohols)
offers
a
promising
way
for
utilization.
Use
strong
alkaline
electrolytes
is
favorable
to
producing
products.
However,
can
react
with
hydroxide
form
carbonate/bicarbonate,
which
results
in
low
carbon
utilization
efficiency
and
poor
stability.
Using
acidic
electrolyte
an
efficient
solve
the
problems,
but
it
challenge
achieve
high
selectivity
Here
we
report
that
amine
modified
copper
nanoparticles
exhibit
at
condition.
The
Faradaic
(FE)
reach
up
81.8
%
media
(pH=2)
total
current
density
410
mA
cm
−2
over
n‐butylamine
Cu.
Especially
FE
alcohols
52.6
%,
higher
than
those
reported
electroreduction
In
addition,
single‐pass
towards
production
60
%.
Detailed
studies
demonstrate
molecule
on
surface
Cu
cannot
only
enhance
formation,
adsorption
coverage
*CO,
also
provide
hydrophobic
environment,
result
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
Electrocatalytic
carbon
dioxide
reduction
(CO
2
RR)
holds
great
promise
for
capture
and
utilization.
In
acidic
media,
CO
RR
enables
efficient
conversion,
but
with
low
selectivity
due
to
the
competitive
hydrogen
evolution
reaction
(HER)
catalyst
corrosion.
Herein,
conductive
polymer
polypyrrole
(PPy)
coated
Ag
nanoparticles
(NPs)
catalysts
(Ag@PPy)
different
thicknesses
are
designed
synthesized,
which
could
create
a
hydrophobic
environment
that
reduces
accessibility
of
H
O
NPs
thereby
inhibiting
HER.
The
coating
PPy
layer
also
protects
from
corrosion
improves
stability
system.
Among
them,
Ag@PPy‐2
appropriate
thickness
showed
up
91.7%
electrocatalytic
high
durability
in
electrolyte
at
−300
mA
cm
−2
.
Density
functional
theory
(DFT)
calculation
shows
not
only
inhibit
HER,
reduce
energy
barrier,
improve
efficiency
CO.
This
study
may
provide
some
new
ideas
design
advanced
selective
by
local
microenvironmental
engineering.
Monatomic
catalysts
demonstrate
exceptional
activity
in
CO2
hydrogenation
for
mitigating
the
greenhouse
effect
and
achieving
carbon
neutrality
goals.
However,
single-atom
are
limited
by
having
only
one
type
of
active
site,
resulting
unsatisfactory
selectivity.
In
this
work,
a
heteronuclear
dual-atom
catalyst
(CuCoDA)
is
successfully
synthesized
using
dual-anchoring
method
applied
to
hydrogenation.
The
synergistic
between
Cu
Co
atoms
results
remarkable
CO
selectivity
99.1%,
with
conversion
rate
28.1%.
experimental
theoretical
calculations
that
incorporation
into
monatomic
enhances
adsorption
H2
on
CuCoDA
surface
throughout
reaction,
thereby
significantly
promoting
conversion.
Simultaneously,
cooperative
minimizes
CO*
inhibits
formation
*CHO
(a
key
intermediate
methane
generation),
which
suppresses
further
CO2.
This
an
extremely
high
CO.
study
provides
general
strategy
constructing
dual-heteronuclear
incorporating
multiple
metal
species
highlights
critical
importance
interactions
adjacent
single
development
advanced
catalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(51)
Published: Aug. 29, 2024
Abstract
As
an
effective
approach
to
converting
carbon
oxide
(CO
2
)
into
value‐added
carbonaceous
products,
the
electrochemical
CO
reduction
reaction
(ECO
RR)
has
shown
considerable
potential
for
neutrality,
addressing
global
pollution
and
climate
issues.
Copper
(Cu)‐based
electrocatalysts
(CuECs)
are
acknowledged
as
important
candidates
ECO
RR
of
multi‐carbon
products.
Nevertheless,
complicated
electron
transfer
multiple
competitive
pathways
in
production
process
raise
challenges
product
selectivity.
While
achieving
high
current
density
structural
stability,
improving
selectivity
CuECs
become
crucial
their
practical
applications.
Herein,
overview
fundamental
thermodynamic
kinetic
principles
presented.
Then,
typical
strategies
summarized
increasing
CuEC
formation
products
from
,
including
morphological
control,
component
design,
defect
interface
design.
The
catalyst
catalytic
performance,
mechanisms
involved
these
reviewed.
Finally,
major
future
prospects
high‐performance
discussed.
