Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Exploring
an
appropriate
support
material
for
Cu‐based
electrocatalyst
is
conducive
stably
producing
multi‐carbon
chemicals
from
electroreduction
of
carbon
monoxide.
However,
the
insufficient
metal‐support
adaptability
and
low
conductivity
would
hinder
C−C
coupling
capacity
energy
efficiency.
Herein,
non‐stoichiometric
Ti
4
O
7
was
incorporated
into
Cu
electrocatalysts
(Cu−Ti
),
served
as
a
highly
conductive
stable
energy‐efficient
electrochemical
conversion
CO.
The
abundant
oxygen
vacancies
originated
ordered
lattice
defects
in
facilitate
water
dissociation
CO
adsorption
to
accelerate
hydrogenation
*COH.
adaptable
interface
Cu−Ti
enables
direct
asymmetrical
between
*CO
on
*COH
,
which
significantly
lowers
reaction
barrier
C
2+
products
formation.
Additionally,
excellent
electroconductivity
benefits
charge
transfer
through
robust
Cu/Ti
minimizing
loss.
Thus,
optimized
20Cu−Ti
catalyst
exhibits
impressive
selectivity
96.4
%
ultrahigh
efficiency
45.1
products,
along
with
remarkable
partial
current
density
432.6
mA
cm
−2
.
Our
study
underscores
novel
strategy
material,
advancing
development
Cu‐supported
catalysts
efficient
Microstructures,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Feb. 18, 2025
With
modern
science
and
technology
developing,
the
concentration
of
atmospheric
carbon
oxide
(CO2)
has
increased
substantially.
CO2
electroreduction
reaction
(CO2RR)
can
efficiently
utilize
sustainable
power
to
produce
value-added
chemicals
implement
energy
storage.
Previous
researches
have
proved
bismuth
metal
bismuth-based
materials
transfer
formate
selectively.
However,
in
this
paper,
latest
progress
synthesis
advanced
electrocatalysts
with
CO2RR
catalysts
is
reviewed
from
aspects
catalyst
material
design,
synthesis,
mechanism
performance
verification/optimization.
Some
methods
designing
are
discussed
analyzed
different
angles,
including
morphology,
defects
heterogeneous
structures.
In
particular,
application
situ
characterization
technique
introduced.
Subsequently,
some
views
expectations
regarding
current
challenges
future
potential
research
presented.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
CO
2
reduction
reaction
(CO
RR)
has
attracted
considerable
attention
as
a
sustainable
approach
for
carbon
capture
and
conversion.
However,
the
dynamic
nature
of
electrocatalysts
under
operational
conditions,
particularly
at
interface,
presents
significant
challenges
understanding
mechanisms
optimizing
catalyst
design.
In
situ/operando
characterization
techniques
are
crucial
to
interfaces
RR.
This
review
focuses
on
various
in
employed
explore
interfaces,
insights
derived
from
these
studies,
their
implications
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 7, 2025
Abstract
The
electrochemical
carbon
dioxide
reduction
reaction
(CO
2
RR),
driven
by
renewable
energy,
represents
a
promising
approach
for
converting
CO
into
valuable
fuels
and
chemicals,
addressing
pressing
energy
environmental
challenges.
However,
the
development
of
high‐performance
RR
electrocatalysts
remains
constrained
limited
understanding
their
dynamic
evolution
mechanisms,
intrinsic
stability
factors,
activity
origins
under
operational
conditions.
Transmission
electron
microscopy
(TEM),
with
its
unparalleled
spatial
resolution
at
nanoscale
atomic
level,
combined
microregional
analytical
capabilities,
has
become
vital
tool
investigating
heterogeneous
electrocatalysis.
Among
these
techniques,
in
situ
liquid
cell
TEM
(LC‐TEM)
enables
real‐time
visualization
structural
morphological
changes
catalysts
during
RR.
This
review
critically
examines
recent
advancements
LC‐TEM
applications
RR,
focusing
on
three
key
aspects
electrocatalysts:
morphology,
transformation
phase
structure,
identification
active
sites.
It
highlights
pivotal
role
elucidating
structure–activity
relationships
activation
deactivation
mechanisms
electrocatalysts.
Moreover,
discusses
primary
challenges
facing
outlines
future
directions
advancing
electrolysis
research.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
Abstract
Designing
efficient
materials
is
crucial
to
meeting
specific
requirements
in
various
electrochemical
energy
applications.
Mono‐/bimetallic
doped
and
heterostructure
engineering
have
attracted
considerable
research
interest
due
their
unique
functionalities
potential
for
conversion
storage.
However,
addressing
material
imperfections
such
as
low
conductivity
poor
active
sites
requires
a
strategic
approach
design.
This
review
explores
the
latest
advancements
modified
by
mono‐/bimetallic
heterojunction
strategies
It
can
be
subdivided
into
three
key
points:
(i)
regulatory
mechanisms
of
metal
doping
materials;
(ii)
preparation
methods
with
strategies;
(iii)
synergistic
effects
two
approaches,
further
highlighting
applications
supercapacitors,
alkaline
ion
batteries,
electrocatalysis.
Finally,
concludes
perspectives
recommendations
advance
these
technologies.
Small Methods,
Journal Year:
2024,
Volume and Issue:
8(11)
Published: Aug. 11, 2024
Abstract
Molecular
catalysts
represent
an
exceptional
class
of
materials
in
the
realm
electrochemical
carbon
dioxide
reduction
(CO
2
RR),
offering
distinct
advantages
owing
to
their
adaptable
structure,
which
enables
precise
control
electronic
configurations
and
outstanding
performance
CO
RR.
This
study
introduces
innovative
approach
heterogeneous
RR
aqueous
environment,
utilizing
a
newly
synthesized
N4‐macrocyclic
cobalt
complex
generated
through
dimerization
coupling
reaction.
By
incorporating
quaterpyridine
moiety,
this
exhibits
capability
catalyze
at
low
overpotentials
reaches
near‐unity
production
across
wide
potential
range,
as
verified
by
online
mass
spectrometry
situ
attenuated
total
reflectance‐Fourier
transform
infrared
spectroscopy.
Comprehensive
computational
models
demonstrate
superiority
quarterpyridine
moiety
mediating
conversion
compared
counterpart.
work
not
only
propels
field
but
also
underscores
promising
complexes
featuring
moieties
advancing
sustainable
technologies
within
environments.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Exploring
an
appropriate
support
material
for
Cu‐based
electrocatalyst
is
conducive
stably
producing
multi‐carbon
chemicals
from
electroreduction
of
carbon
monoxide.
However,
the
insufficient
metal‐support
adaptability
and
low
conductivity
would
hinder
C−C
coupling
capacity
energy
efficiency.
Herein,
non‐stoichiometric
Ti
4
O
7
was
incorporated
into
Cu
electrocatalysts
(Cu−Ti
),
served
as
a
highly
conductive
stable
energy‐efficient
electrochemical
conversion
CO.
The
abundant
oxygen
vacancies
originated
ordered
lattice
defects
in
facilitate
water
dissociation
CO
adsorption
to
accelerate
hydrogenation
*COH.
adaptable
interface
Cu−Ti
enables
direct
asymmetrical
between
*CO
on
*COH
,
which
significantly
lowers
reaction
barrier
C
2+
products
formation.
Additionally,
excellent
electroconductivity
benefits
charge
transfer
through
robust
Cu/Ti
minimizing
loss.
Thus,
optimized
20Cu−Ti
catalyst
exhibits
impressive
selectivity
96.4
%
ultrahigh
efficiency
45.1
products,
along
with
remarkable
partial
current
density
432.6
mA
cm
−2
.
Our
study
underscores
novel
strategy
material,
advancing
development
Cu‐supported
catalysts
efficient