Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(46)
Published: Aug. 6, 2024
Abstract
Electrocatalytic
reduction
of
CO
2
into
C
products
high
economic
value
provides
a
promising
strategy
to
realize
resourceful
utilization.
Rational
design
and
construct
dual
sites
the
protonation
C−C
coupling
unravel
their
structure‐performance
correlation
is
great
significance
in
catalysing
electrochemical
reactions.
Herein,
Cu−Cu
with
different
site
distance
coordinated
by
halogen
at
first‐shell
are
constructed
shows
higher
intramolecular
electron
redispersion
coordination
symmetry
configurations.
The
long‐range
(Cu−I−Cu)
show
an
enhanced
Faraday
efficiency
products,
up
74.1
%,
excellent
stability.
In
addition,
linear
relationships
that
accelerated
H
4
generation
short‐range
(Cu−Cl−Cu)
beneficial
for
5
OH
formation
disclosed.
situ
attenuated
total
reflection
surface
infrared
absorption
spectroscopy,
Raman
theoretical
calculations
manifest
can
weaken
reaction
energy
barriers
hydrogenation
coupling,
as
well
accelerating
deoxygenation
*CH
CHO.
This
study
uncovers
exploitation
site‐distance‐dependent
properties
steer
pathway,
potential
generic
tactic
target
synthesis
constructing
desired
sites.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
The
electrocatalytic
synthesis
of
multicarbon
compounds
from
CO
2
is
a
promising
method
for
storing
renewable
electricity
and
addressing
global
issues.
Single‐atom
catalysts
are
candidates
reduction,
but
producing
high‐value
(C
2+
)
products
using
single‐atom
structure
remains
significant
challenge.
In
this
study,
fluorine
doping
strategy
proposed
to
facilitate
the
reconstruction
isolated
Cu
atoms,
promoting
generation.
in
situ
formed
nanocrystals
contain
substantial
amount
stable
+
species,
demonstrating
remarkable
activity
−to‐multicarbon
conversion.
Notably,
they
achieve
highest
utilization,
with
C
partial
current
density
−2.01
A
mg
per
−1
formation
rate
7.03
mmol
h
at
≈−1
V
versus
RHE.
Raman
spectroscopy
functional
theory
calculations
confirm
crucial
role
atoms
structural
evolution
electrolysis.
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.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 16, 2025
In-situ
and
operando
techniques
in
heterogeneous
electrocatalysis
are
a
powerful
tool
used
to
elucidate
reaction
mechanisms.
Ultimately,
they
key
determining
concrete
links
between
catalyst's
physical/electronic
structure
its
activity
en
route
designing
next-generation
systems.
To
this
end,
the
exact
execution
interpretation
of
these
lines
experiments
is
critical
as
determines
strength
conclusions
that
can
be
drawn
what
uncertainties
remain.
Instead
focusing
on
how
were
understand
systems,
case
with
most
reviews
topic,
work
instead
initiates
nuanced
discussion
1)
best
carry
out
each
technique
2)
initiate
analysis
which
level
insights
from
set
in-situ
or
experiments/controls
carried
out.
We
focus
several
commonly
techniques,
including
vibrational
(IR,
Raman)
spectroscopy,
X-ray
absorption
spectroscopy
electrochemical
mass
spectrometry.
In
addition
this,
we
include
sections
reactor
design
link
theoretical
modelling
applicable
across
all
techniques.
While
electrocatalysis,
make
when
appropriate
areas
photo-
thermo-catalytic
highlight
common
pitfalls
field,
avoid
them,
sets
complementary
may
strengthen
analysis.
end
an
overview
gaps
remain
innovations
must
made
overcome
them.
situ
useful
towards
mechanistic
investigations
electrocatalytic
systems
but
interpreted
properly.
Here,
authors
provide
guidelines
for
practices
use
methods.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(12), P. 4292 - 4312
Published: Jan. 1, 2024
This
review
article
summarizes
the
recent
progress
in
customizing
surface/interface
structures
for
CO
2
RR
electrocatalysts
(including
atomic-site
catalysts,
metal
and
metal/oxide
catalysts).
