Highlights in Science Engineering and Technology,
Journal Year:
2024,
Volume and Issue:
96, P. 324 - 340
Published: May 5, 2024
With
the
advance
of
The
Times,
people's
demand
for
fossil
energy
has
greatly
increased,
and
it
is
main
people
to
develop
economy
science
technology.
However,
large-scale
exploitation
led
environmental
pollution
crisis,
concentration
CO2
in
air
continues
rise,
greenhouse
effect
becoming
more
serious.
Therefore,
conversion
into
high
value-added
fuels
chemicals
we
need
will
be
a
major
measure
solve
problems.
So,
converting
or
using
electrocatalytic
reduction
(CO2RR)
technology
an
effective
way
alleviate
current
problems
environment.
In
this
paper,
summarize
research
progress
reaction
systems,
electrolyte
effects,
catalyst
development
CO2RR
experiments,
focusing
on
aspects
CO2.
Finally,
provide
outlook
electrocatalysis
industry.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(15)
Published: April 22, 2024
Abstract
The
electrochemical
carbon
dioxide
reduction
reaction
(CO
2
RR)
holds
substantial
promise
for
producing
high‐value
chemicals
and
fuels,
drawing
significant
attention
from
both
academia
industry.
This
work
proposes
an
in‐situ
electrodeposition
method
to
prepare
indium‐doped
copper
(Cu)‐based
catalysts
on
paper
(Cu
100
In
x
−CP,
x=3.9,
4.5,
4.8,
5.1,
7.6,
denoting
the
molar
ratio
of
Cu
in
catalyst.).
−CP
were
used
CO
RR
produce
multi‐carbon
(C
2+
)
products.
Characterization
results
showed
that
was
highly
dispersed
particles
at
x<5.1.
5.1
(containing
0.95
wt
%
based
Cu)
very
efficient
electrocatalytic
RR.
Raman
spectroscopy
enhanced
*CO
intermediate
adsorption
promoted
production
C
products
due
synergistic
effect
between
Cu.
doping
could
suppress
HER,
adsorption,
C−C
coupling
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Developing
effective
electrocatalysts
for
the
conversion
of
CO2
to
CO
is
essential
enhancing
global
carbon
cycle.
In
this
article,
we
report
synthesis
Cu3P/C
nanomaterials,
derived
from
copper-based
MOF
(HKUST-1),
using
a
novel
phosphidation
method.
To
enhance
copper
contents
in
final
material,
HKUST-1
impregnated
Cu2+
solutions
various
concentrations,
followed
by
phosphidation.
Cu3P
nanoparticles
fully
embedded
hierarchical
have
been
confirmed
transmission
electron
microscopy.
These
exhibit
remarkable
efficiency
reduction
CO.
Among
synthesized
electrocatalysts,
optimal
electrocatalyst,
i.e.,
(5
M)
demonstrates
outstanding
performance,
which
shows
88%
Faradaic
production.
It
also
low
overpotential
(η)
only
177
mV,
high
current
density
(j)
60
mA
cm–2,
and
long-term
stability
over
20
h
at
potentials
0.1
M
KHCO3
medium,
making
it
an
excellent
choice
applications.
The
catalyst's
exceptional
selectivity
converting
further
validated
qualitative
detection
PdCl2
strips
Small,
Journal Year:
2024,
Volume and Issue:
20(34)
Published: April 10, 2024
Abstract
Renewable
energy‐driven
conversion
of
CO
2
to
value‐added
fuels
and
chemicals
via
electrochemical
reduction
reaction
(CO
RR)
technology
is
regarded
as
a
promising
strategy
with
substantial
environmental
economic
benefits
achieve
carbon
neutrality.
Because
its
sluggish
kinetics
complex
paths,
developing
robust
catalytic
materials
exceptional
selectivity
the
targeted
products
one
core
issues,
especially
for
extensively
concerned
Cu‐based
materials.
Manipulating
Cu
species
by
anionic
coordination
identified
an
effective
way
improve
electrocatalytic
performance,
in
terms
modulating
active
sites
regulating
structural
reconstruction.
This
review
elaborates
on
recent
discoveries
progress
RR
enhanced
control,
regarding
functional
mechanisms,
roles
different
non‐metallic
anions
catalysis.
Finally,
concludes
some
personal
insights
provides
challenges
perspectives
utilization
this
build
desirable
electrocatalysts.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
16(1), P. 324 - 332
Published: Dec. 27, 2024
The
electrochemical
reduction
reaction
(RR)
of
CO
to
high
value
multicarbon
products
is
highly
desirable
for
carbon
utilization.
Dual
transition
metal
atoms
dispersed
by
N-doped
graphene
are
able
be
efficient
catalysts
this
process
due
the
synergy
bimetallic
sites
C–C
coupling.
In
work,
we
screened
homonuclear
dual-atom
investigate
potential
in
C2+
employing
density
functional
theory
calculations.
We
have
demonstrated
that
two
adsorbed
species
on
cannot
directly
couple
unless
one
molecules
hydrogenated.
All
dual
atom
prefer
a
similar
coupling
mechanism,
i.e.,
asymmetric
*CO
bridged
site
and
*CHO
top
site,
while
Ni2
Cu2
exhibit
much
better
performance
with
moderate
adsorption
energies
low
energy
barriers.
enhanced
activities
attributed
decrease
levels
2p
states
weakens
metal–C
bonding
thus
facilitates
feasible
both
These
insights
revealed
significant
role
hydrogenation
prior
step
may
provide
theoretical
perspective
understand
generation
CO2/CORR.
Electrochemical
reduction
of
CO2
(CO2RR)
in
aqueous
electrolytes
not
only
relies
on
advanced
gas
diffusion
electrodes
(GDEs)
to
improve
mass
transportation
but
also
efficient
electrocatalysts
produce
specific
products.
Herein,
syngas
(CO
and
H2
mixture),
a
facet-orientated
zinc
nanosheet
catalyst
was
electrodeposited
the
Cu
hollow
fiber
GDE
via
controllable
facile
surfactant-assisted
method.
The
introduction
cationic
surfactant
cetyl
trimethyl
ammonium
bromide
(CTAB)
could
manipulate
nucleation
crystal
growth
ions
around
during
electrodeposition
process,
leading
controlled
changes
metal's
surface
free
energy
tuned
orientation.
Consequently,
ZncNS-HF
with
largest
ratio
Zn
(101)/Zn
(002),
resulted
high
current
density
73.3
mA/cm2
production
rate
9.84
mmol/h∙cm2
at
applied
potential
-1.3
V
vs.
RHE.
This
comes
from
hierarchical
structure
HFGDE,
which
provides
sufficient
reaching
catalyst/electrolyte
interface,
well-connected
nanosheets
contribute
significant
number
active
sites
for
CO2RR.
research
demonstrates
nanoengineering
catalysts
HFGDEs
achieve
rates
syngas.
