The
renewable
electricity-driven
CO2
and
CO
reduction
represents
a
promising
approach
for
reducing
the
footprint
toward
carbon
neutrality.
Substantial
research
developments
have
been
achieved
in
designing
catalysts
reaction
interfaces
enhanced
electrocatalytic
activity
selectivity,
investigation
understanding
of
complex
mechanisms
also
extensively
investigated
by
both
situ
characterizations
theoretical
investigations.
Although
quasi-equilibrium
rate-determining
step
assumptions
are
widely
used
electrochemical
kinetics,
overall
rate
is
generally
determined
series
elementary
steps,
influence
certain
can
be
quantified
based
on
degree
control
theory.
For
complicated
networks
CO(2)
reduction,
not
only
steps
but
subsequent
selectivity-determining
play
critical
roles,
especially
product
selectivity.
In
this
Perspective,
we
summarize
strategies
that
tune
selectivity
their
impacts
respectively.
addition,
describe
coupling
electroreduction
with
other
(electro)chemical
reactions,
such
as
nitrite
methane
oxidation,
to
form
value-added
products.
At
end,
current
challenges
opportunities
field
discussed
inspire
further
development
next
stage.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 11, 2024
Abstract
The
electrochemical
carbon
dioxide
reduction
reaction
(CO
2
RR)
is
a
promising
approach
for
reducing
atmospheric
)
emissions,
allowing
harmful
CO
to
be
converted
into
more
valuable
carbon‐based
products.
On
one
hand,
single
(C
1
products
have
been
obtained
with
high
efficiency
and
show
great
promise
industrial
capture.
However,
multi‐carbon
2+
possess
market
value
demonstrated
significant
as
potential
RR.
Due
RR's
multiple
pathways
similar
equilibrium
potentials,
the
extended
mechanisms
necessary
form
C
continue
reduce
overall
selectivity
of
‐to‐C
electroconversion.
Meanwhile,
RR
whole
faces
many
challenges
relating
system
optimization,
owing
an
intolerance
low
surface
pH,
systemic
stability
utilization
issues,
competing
side
in
H
evolution
(HER).
Ethylene
4
remains
incredibly
within
chemical
industry;
however,
current
established
method
producing
ethylene
(steam
cracking)
contributes
emission
atmosphere.
Thus,
strategies
significantly
increase
this
technology
are
essential.
This
review
will
discuss
vital
factors
influencing
forming
summarize
recent
advancements
electrosynthesis.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Abstract
The
era
of
an
energy
economy
driven
by
“carbon
neutrality”
is
putting
forward
stricter
requirements
for
the
use
carbon
resources
and
governance
CO
2
.
Electrochemical
reduction
dioxide
reaction
(CO
RR),
renewable
energy,
a
practical
storage
technology
with
broad
application
prospects.
It
can
reduce
into
carbon‐based
fuels
chemical
products.
Among
them,
multi‐carbon
(C
2+
)
products
have
higher
density
larger
market
size,
significantly
global
demand
fossil
close
artificial
cycle.
Introducing
additional
active
sites
Cu‐based
catalysts
to
prepare
dual‐site
tandem
regulate
electronic
geometric
structure
catalysts,
break
linear
scale
relationships,
potential
barriers,
bring
superb
stable
catalytic
performance.
Various
types
are
developed,
understanding
effect
pushed
level.
This
paper
reviews
several
typical
catalysts:
atom–atom
atom‐particle
particle–particle
heterogeneous
interface
catalysts.
then
deeply
analyzes
mechanism
research
progress
these
advanced
in
RR.
In
addition,
challenges
opportunities
faced
such
also
discussed.
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(28), P. 11741 - 11755
Published: July 9, 2024
The
electrochemical
CO2
reduction
reaction
(CO2RR),
which
utilizes
renewable
energy
to
produce
carbon-neutral
chemicals
and
fuels,
offers
a
potential
pathway
toward
achieving
global
carbon
neutrality.
Cu-based
catalysts
have
gained
significant
attention
in
this
field
due
their
unique
coupling
ability
convert
into
multicarbon
products,
while
maintaining
high
Faradaic
efficiency.
However,
the
CO2RR
process
is
complex,
involving
multistep
proton–electron
transfer
that
involves
intermediates
associated
with
carbon-
oxygen-containing
species.
Therefore,
work
aims
review
recent
progress
of
situ
surface-enhanced
Raman
spectroscopic
(SERS)
studies
on
catalysts.
possible
mechanism
has
been
first
discussed.
In
SERS
single-crystal
electrodes
nanocatalysts
different
electronic
states,
morphologies,
compositions
reviewed,
various
during
captured
clarify
mechanisms
structure–activity
relationships.
Moreover,
future
opportunities
challenges
for
electrocatalysis
are
presented.
This
will
provide
fundamental
insights
understanding
design
more
efficient,
selective,
stable
Small Methods,
Journal Year:
2024,
Volume and Issue:
8(11)
Published: May 20, 2024
Abstract
Electrocatalytic
carbon
dioxide
reduction
reaction
(CO
2
RR)
has
emerged
as
a
promising
and
sustainable
approach
to
cut
emissions
by
converting
greenhouse
gas
CO
value‐added
chemicals
fuels.
Metal–organic
coordination
compounds,
especially
the
copper
(Cu)‐based
which
feature
well‐defined
crystalline
structures
designable
metal
active
sites,
have
attracted
much
research
attention
in
electrocatalytic
RR.
Herein,
recent
advances
of
electrochemical
RR
on
pristine
Cu‐based
compounds
with
different
types
Cu
sites
are
reviewed.
First,
general
pathways
briefly
introduced.
Then
highly
efficient
conversion
various
kinds
(e.g.,
single‐Cu
site,
dimeric‐Cu
multi‐Cu
heterometallic
site)
is
systematically
discussed,
along
corresponding
catalytic
mechanisms.
Finally,
some
existing
challenges
potential
opportunities
for
this
direction
provided
guide
rational
design
metal–organic
their
practical
application
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
Abstract
To
achieve
high
selectivity
in
photocatalytic
CO
2
reduction
to
C
2+
products,
increasing
the
number
of
adsorption
sites
and
lowering
energy
barriers
for
key
intermediates
are
critical.
A
ZnIn
S
4
(ZIS)/MoO
3‐x
(Z‐M)
photocatalyst
is
presented,
which
plasmonic
MoO
generates
hot
electrons,
creating
a
multielectron
environment
ZIS
that
facilitates
efficient
C─C
coupling
reactions.
Density
functional
theory
(DFT)
calculations
reveal
reduces
formation
sulfur
vacancies
(S
V
)
ZIS,
thereby
enhancing
activation.
The
‐rich
surface
lowers
barrier
forming
HCOO
*
−0.33
eV
whereas
COOH
0.77
eV.
Successive
hydrogenation
leads
CH
,
converts
3
with
an
−0.63
‐CH
0.54
eV,
lower
than
0.73
form
H
.
Thus,
Z‐M
preferentially
produces
6
over
Under
visible
light,
achieves
‐to‐C
conversion
rate
467.3
µmol
g
−1
h
92.0%
selectivity.
This
work
highlights
dual
role
photocatalysts
improving
production
reduction.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 22, 2024
Enhancing
the
selectivity
of
photocatalytic
CO2
reduction
to
valuable
multicarbon
(C2+)
products
remains
a
significant
challenge
in
green
synthetic
chemistry.
Here,
we
present
dual-center
strategy
for
metal
oxides
that
boosts
photochemical
conversion
ethanol
by
regulating
coordination
number
and
oxygen
sites.
Notably,
CuO
catalysts
rich
low-coordinated
Cu–O
domains
have
achieved
nearly
perfect
(96.9%),
extraordinary
durability
(60
h),
superior
yield
rate
30.5
μmol·g–1·h–1,
surpassing
performance
many
existing
photocatalysts
water
vapor
CO2.
Density
functional
theory
calculations
operando
spectroscopic
results
provide
conclusive
evidence
tricoordinated
copper
(Cu3c)
increases
coverage
key
*CO
species,
while
bicoordinated
(O2c)
controls
migration
thereby
effectively
reducing
energy
requirement
dimerization
into
*OC–CO
intermediates
(ΔG*OC–CO
=
−0.56
eV)
pathway.
This
work
offers
insights
designing
exhibit
improved
C2+
fuels.
