Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(4)
Published: Oct. 24, 2024
Maintaining
an
acceptable
quality
of
life
worldwide
increasingly
depends
on
the
availability
clean
and
cost-effective
energy,
with
power
consumption
expected
to
double
by
2050.
Therefore,
need
for
sustainable
affordable
green
energy
has
spurred
innovative
electrocatalysis
research
goal
develop
materials
processes
that
are
capable
producing
environmentally
friendly,
carbon-neutral,
clean,
hydrogen
fuel
as
alternative
fossil
fuel.
In
particular,
heterostructured
catalysts
consisting
transition
metal
oxides
sulfides
have
emerged
a
component
technology.
The
dual
functionality
these
allows
water
splitting,
while
selectivity
catalytic
creates
synergetic
effects
based
their
electronic
structure,
surface
composition,
electrochemical
area.
this
review,
we
examine
latest
developments,
synthesis
methods,
design
strategies,
reaction
mechanisms,
performance
outcomes
oxide/sulfide
heterostructures.
review
begins
introducing
current
demand
electrocatalytic
water-splitting
then
describes
fundamental
principles
heterostructures
evolution
(HER)
oxygen
(OER)
performance.
A
large
part
is
dedicated
comprehensive
discussion
various
designed
OER,
HER,
two-electrode
electrolyzer
applications.
addition,
use
in
situ
operando
techniques,
which
provide
crucial
information
effective
electrocatalysts,
described.
We
also
discuss
present
status
technology,
including
challenges
it
faces
its
future
prospects
means
achieve
carbon-neutral
production.
Overall,
delivers
summary
developments
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Abstract
Cu‐based
catalysts
efficiently
catalyze
the
electrochemical
conversion
of
CO
2
into
high‐value
multicarbon
(C
2+
)
products.
However,
it
remains
a
challenge
to
achieve
optimal
structural
stability,
product
selectivity,
and
long‐term
catalytic
durability.
In
this
study,
well‐active
oxide‐derived
Cu
surface
consisting
predominantly
O(111)
facets
is
developed,
which
contains
trace
amounts
iodine
(I).
The
enhances
hydrogenation
*CO
facilitates
asymmetric
coupling
*CHO,
while
intercalated
boosts
adsorption
CO.
During
reaction,
release
excess
I
increases
roughness,
remaining
controls
chemical
state
Cu.
These
effects
together
lead
Faradaic
efficiency
79.0%
cathodic
energy
43.5%
for
C
products
at
current
density
300
mA
cm
−2
.
Moreover,
found
that
periodic
electrode
treatment
with
iodide
prevents
agglomeration
preserves
sufficient
active
sites,
ensuring
improved
stability
production.
This
study
provides
new
insights
synergistic
interactions
between
Cu─O
compounds
offers
promising
route
development
highly
durable
systems
electroreduction.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Abstract
The
electrocatalytic
conversion
of
CO
2
into
valuable
multi‐carbon
(C
2+
)
products
using
Cu‐based
catalysts
has
attracted
significant
attention.
This
review
provides
a
comprehensive
overview
recent
advances
in
catalyst
design
to
improve
C
selectivity
and
operational
stability.
It
begins
with
an
analysis
the
fundamental
reaction
pathways
for
formation,
encompassing
both
established
emerging
mechanisms,
which
offer
critical
insights
design.
In
situ
techniques,
essential
validating
these
by
real‐time
observation
intermediates
material
evolution,
are
also
introduced.
A
key
focus
this
is
placed
on
how
enhance
through
manipulation,
particularly
emphasizing
catalytic
site
construction
promote
C─C
coupling
via
increasing
*
coverage
optimizing
protonation.
Additionally,
challenge
maintaining
activity
under
conditions
discussed,
highlighting
reduction
active
charged
Cu
species
materials
reconstruction
as
major
obstacles.
To
address
these,
describes
strategies
preserve
sites
control
including
novel
utilization
mitigation
reconstruction.
By
presenting
developments
challenges
ahead,
aims
guide
future
conversion.
Electron,
Journal Year:
2024,
Volume and Issue:
2(3)
Published: July 1, 2024
Abstract
In
order
to
properly
utilize
the
abundant
CO
2
and
water
resources,
various
catalytic
materials
have
been
developed
convert
them
into
valuable
chemicals
as
renewable
fuels
electrochemically
or
photochemically.
Currently,
most
studies
are
conducted
under
mild
laboratory
conditions,
but
for
some
extreme
environments,
such
Mars
space
stations,
there
is
an
urgent
need
develop
new
catalysts
satisfying
special
requirements.
Conventional
mainly
focus
on
metals
narrow
bandgap
semiconductor
materials,
while
research
wide
ultrawide
that
can
inherently
withstand
conditions
has
not
received
enough
attention.
Given
robust
stability
excellent
physico‐chemical
properties
of
diamond,
it
be
expected
perform
in
harsh
environments
electrocatalysis
photocatalysis
investigated
thoroughly.
Here,
this
review
summarizes
functionality
diamond‐based
electrodes
with
tunable
product
selectivity
obtain
varied
C
1
2+
products,
discusses
important
factors
playing
a
key
role
manipulating
activity.
Moreover,
unique
solvation
electron
effect
diamond
gives
significant
advantage
photocatalytic
conversions
which
also
summarized
mini‐review.
end,
prospects
made
application
conditions.
The
challenges
may
faced
practical
applications
future
breakthrough
directions
proposed
at
end.
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.
