ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(22), P. 16795 - 16833
Published: Oct. 31, 2024
The
photoelectrochemical
(PEC)
reduction
of
carbon
dioxide
(CO2)
to
produce
solar
fuels
presents
a
sustainable
strategy
mitigate
CO2
emissions
and
alleviate
the
global
energy
crisis.
While
significant
research
efforts
have
been
dedicated
optimizing
cell
system
configurations
designing
efficient
photoelectrocatalysts,
there
remains
lack
in-depth
understanding
pathway.
This
review
provides
comprehensive
overview
fundamental
insights
PEC
with
focus
on
pathways
from
perspectives
final
products
adsorption
modes.
First,
key
challenges
are
identified
analyzed,
including
initial
activation
CO2,
competitive
hydrogen
evolution
reaction
(HER),
complex
carbon–carbon
(C–C)
coupling
process.
then
examines
aspects
process,
covering
state-of-the-art
devices,
their
operational
principles,
methodologies
for
capturing
intermediates.
through
concerted
or
sequential
proton–electron
transfer
mechanisms
is
discussed
in
detail.
Furthermore,
potential
systematically
categorized
basis
distinct
modes
that
drive
insertion,
carbon-coordinated
oxygen-coordinated
monodentate
adsorption,
bidentate
oxygen
vacancies.
Detailed
leading
formation
C1,
C2,
C3
compounds
elucidated,
an
emphasis
strategies
enhance
selectivity
toward
C1
C2+
products.
In
particular,
aids
catalyst
design.
For
production,
design
focuses
promoting
activation,
as
rate-determining
step
(RDS)
activation.
contrast,
formation,
aim
increase
intermediate
concentration,
thereby
enhancing
lateral
interaction
intermediates,
which
crucial
C–C
coupling.
Finally,
summarizes
future
breakthroughs
electron,
interfacial,
ionic
pathways,
offering
into
ongoing
technologies.
Small,
Journal Year:
2023,
Volume and Issue:
19(16)
Published: Jan. 2, 2023
Abstract
Environmental
problems
such
as
global
warming
are
one
of
the
most
prominent
challenges.
Researchers
investigating
various
methods
for
decreasing
CO
2
emissions.
The
reduction
reaction
via
electrochemical,
photochemical,
and
photoelectrochemical
processes
has
been
a
popular
research
topic
because
energy
it
requires
can
be
sourced
from
renewable
sources.
converts
stable
molecules
into
useful
products
CO,
CH
4
,
C
H
5
OH.
To
obtain
economic
benefits
these
products,
is
important
to
convert
them
hydrocarbons
above
.
Numerous
investigations
have
demonstrated
uniqueness
CC
coupling
Cu‐based
catalysts
conversion
electrocatalysis.
Herein,
principle
semiconductors
photocatalysis
briefly
introduced,
followed
by
description
obstacles
2+
production.
This
review
presents
an
overview
mechanism
hydrocarbon
formation
along
with
advances
in
improvement,
direction,
comprehension
processes.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 5149 - 5189
Published: Jan. 1, 2024
This
review
summarizes
promising
strategies
including
the
design
of
catalysts
and
construction
coupled
electrocatalytic
reaction
systems,
aimed
at
achieving
selective
production
various
products
from
CO
2
electroreduction.
Catalysis Today,
Journal Year:
2024,
Volume and Issue:
429, P. 114505 - 114505
Published: Jan. 2, 2024
The
photoelectrochemical
reduction
of
CO2
to
value-added
products
represents
a
promising
strategy
for
mitigating
emissions.
However,
further
research
efforts
need
be
undertaken
enable
the
technology
scale-up,
including
design
and
fabrication
efficient
photoelectrodes
capable
yielding
substantial
photogenerated
current
densities.
In
this
work,
photoanode
combining
commercial
calcium
titanate
perovskite
(CaTiO3)
BiVO4
layers
coated
onto
transparent
FTO
substrate
by
automated
spray
pyrolysis
is
proposed.
Different
configurations
are
tested,
with
most
favourable
results
achieved
when
positioned
as
top
layer
back
illumination.
optimization
catalytic
loading
also
assessed,
finding
an
optimal
at
1
mg
cm-2
CaTiO3
3
BiVO4,
resulting
in
impressive
density
–71
mA
–1.8
V
vs.
Ag/AgCl.
This
then
integrated
into
electrolyzer
continuous
visible
light-driven
gas
phase
formate,
obtaining
concentration
63.8
g
L-1,
Faradaic
Efficiency
79.1%,
solar-to-fuel
conversion
efficiency
7.6%.
These
represent
significant
advancement
development
photoanodes,
offering
promise
future
scalability
processes.
Energy & Fuels,
Journal Year:
2023,
Volume and Issue:
37(8), P. 5712 - 5742
Published: April 4, 2023
Rapid
industrialization
has
resulted
in
a
drastic
increase
the
consumption
of
natural
resources,
particularly
fossil
fuels.
Fossil
fuels
form
coal,
gas,
oils,
etc.
have
been
extensively
used
to
meet
ever-increasing
energy
demands,
resulting
adverse
environmental
effects.
Massive
fuel
led
enormous
carbon
dioxide
(CO2)
emissions,
adversely
impacting
environment
through
global
warming.
Photoelectrochemical
(PEC)
reduction
CO2
into
valuable
fuels,
for
instance,
formic
acid
(HCOOH),
methanol
(CH3OH),
ethanol
(C2H5OH),
etc.,
which
combines
merits
both
photochemical
and
electrochemical
techniques,
considered
as
potential
approach
address
issue
mitigation.
Single-atom
catalysts
(SACs)
along
with
emerging
nanomaterials
(NMTs)
photoelectrode
composite
materials
present
an
effective
avenue
augment
PEC
owing
their
well-defined
structures
almost
complete
atom
utilization.
The
review
focuses
on
application
various
SACs
NMTs
that
are
advantageous
efficient
such
HCOOH,
CH3OH,
C2H5OH,
monoxide.
mechanism
pertaining
utilization
incident
light
overcome
band
gap
produce
photogenerated
charge
carriers
contribute
also
elucidated.
At
outset,
some
challenges
opportunities
lie
ahead
boosting
SAC's
performance
discussed.
Carbon Neutralization,
Journal Year:
2023,
Volume and Issue:
2(2), P. 169 - 185
Published: March 1, 2023
Abstract
For
pursuing
the
ambitious
goals
in
burgeoning
electric
vehicles,
portable
electronic
devices,
and
energy
storage
sectors,
Li‐ion
batteries
(LIBs)
are
considered
as
one
of
most
promising
electrochemical
power
sources
because
their
high
density
moderate
cost.
Particularly,
improvement
battery
materials
recycling
spent
LIBs
receiving
great
attention
since
sustainable
approaches
for
synthesis,
modification,
crucial
factors
to
successful
large‐scale
implementation
LIBs.
In
this
regard,
supercritical
carbon
dioxide
(SC‐CO
2
),
which
possesses
many
merits,
such
environmentally
friendly,
low‐cost,
individual
chemical
environment,
especially
its
unique
physical
properties,
has
been
employed
solvent
reaction
medium
synthesis
modification
diverse
functional
materials.
review,
we
mainly
aim
at
compiling
applications
SC‐CO
technology
electrode
well
First,
properties
principles
highlighted.
Second,
latest
progresses
design
with
assistance
technique
summarized.
Finally,
challenges,
future
directions,
perspectives
on
development
by
proposed.
ACS Engineering Au,
Journal Year:
2023,
Volume and Issue:
3(6), P. 403 - 425
Published: Oct. 25, 2023
Since
the
industrial
revolution,
energy
demand
has
increased,
resulting
in
an
increase
atmospheric
carbon
dioxide
concentration.
Increasing
CO2
concentration
contributes
to
global
warming
and
climate
change.
Strategies
alleviate
emissions
by
reducing
fossil
fuel
usage
replacing
them
with
renewable
sources
have
been
devised
resolve
this
issue.
In
addition,
there
are
several
ways
reduce
concentrations
including
capture,
utilization,
sequestration
(CCUS).
Electrochemical
conversion
of
is
a
value-added
approach
as
well
producing
valuable
chemicals,
feedstocks,
building
blocks.
review,
we
report
on
electrochemical
reduction
alcohols
progress
made
over
past
five
years.
Alcohols
critical
liquid
fuels
higher
density,
ease
storage,
transportation.
Herein,
discuss
possible
mechanisms
for
converting
various
electrocatalysts
employed
conversion.
Detailed
studies
compared
performances
based
faradaic
efficiency,
current
product
selectivity,
stability.
Furthermore,
types
devices
that
can
be
used
alcohol
also
discussed.
Finally,
challenges
perspectives
further
research
presented.