ACS Nano,
Год журнала:
2024,
Номер
18(26), С. 16413 - 16449
Опубликована: Июнь 21, 2024
Layered
double
hydroxides
(LDHs),
especially
those
containing
nickel
(Ni),
are
increasingly
recognized
for
their
potential
in
photo(-/)electrocatalytic
water
oxidation
due
to
the
abundant
availability
of
Ni,
corrosion
resistance,
and
minimal
toxicity.
This
review
provides
a
comprehensive
examination
Ni-based
LDHs
electrocatalytic
(EC),
photocatalytic
(PC),
photoelectrocatalytic
(PEC)
processes.
The
delves
into
operational
principles,
highlighting
similarities
distinctions
as
well
benefits
limitations
associated
with
each
method
oxidation.
It
includes
detailed
discussion
on
synthesis
monolayer,
ultrathin,
bulk
LDHs,
focusing
merits
drawbacks
inherent
approach.
Regarding
EC
oxygen
evolution
reaction
(OER),
strategies
improve
catalytic
performance
insights
structural
during
process
summarized.
Furthermore,
extensively
covers
advancements
PEC
OER,
including
an
analysis
semiconductors
paired
form
photoanodes,
focus
enhanced
activity,
stability,
underlying
mechanisms
facilitated
by
LDHs.
concludes
addressing
challenges
prospects
development
innovative
LDH
catalysts
practical
applications.
provided
this
paper
will
not
only
stimulate
further
research
but
also
engage
scientific
community,
thus
driving
field
forward.
Advanced Materials,
Год журнала:
2022,
Номер
34(50)
Опубликована: Июль 20, 2022
The
electron-transfer
process
during
the
oxygen
evolution
reaction
(OER)
often
either
proceeds
solely
via
a
metal
redox
chemistry
(adsorbate
mechanism
(AEM),
with
bands
around
Fermi
level)
or
an
(lattice
oxidation
(LOM),
level).
Unlike
AEM,
LOM
involves
instead
of
redox,
which
leads
to
formation
direct
oxygen-oxygen
(OO)
bond.
As
result,
such
is
able
bypass
rate-determining
step,
that
is,
OO
bonding,
in
highlights
critical
advantage
as
compared
conventional
AEM.
Thus,
it
has
been
well
reported
LOM-based
catalysts
are
demonstrate
higher
OER
activities
AEM-based
catalysts.
Here,
comprehensive
understanding
and
all
documented
possible
characterization
techniques
can
be
used
identify
reviewed.
This
review
will
interpret
origins
electrocatalysts
underlying
science
LOM-induced
surface
reconstruction
transition
oxides.
Finally,
perspectives
on
future
development
also
provided.
Chemical Reviews,
Год журнала:
2023,
Номер
123(9), С. 6257 - 6358
Опубликована: Март 21, 2023
The
oxygen
evolution
reaction
(OER)
and
reduction
(ORR)
are
core
steps
of
various
energy
conversion
storage
systems.
However,
their
sluggish
kinetics,
i.e.,
the
demanding
multielectron
transfer
processes,
still
render
OER/ORR
catalysts
less
efficient
for
practical
applications.
Moreover,
complexity
catalyst–electrolyte
interface
makes
a
comprehensive
understanding
intrinsic
mechanisms
challenging.
Fortunately,
recent
advances
in
situ/operando
characterization
techniques
have
facilitated
kinetic
monitoring
under
conditions.
Here
we
provide
selected
highlights
mechanistic
studies
with
main
emphasis
placed
on
heterogeneous
systems
(primarily
discussing
first-row
transition
metals
which
operate
basic
conditions),
followed
by
brief
outlook
molecular
catalysts.
Key
sections
this
review
focused
determination
true
active
species,
identification
sites,
reactive
intermediates.
For
in-depth
insights
into
above
factors,
short
overview
metrics
accurate
characterizations
is
provided.
A
combination
obtained
time-resolved
information
reliable
activity
data
will
then
guide
rational
design
new
Strategies
such
as
optimizing
restructuring
process
well
overcoming
adsorption-energy
scaling
relations
be
discussed.
Finally,
pending
current
challenges
prospects
toward
development
homogeneous
presented.
Energy & Environmental Science,
Год журнала:
2021,
Номер
15(2), С. 760 - 770
Опубликована: Дек. 17, 2021
Cobalt
phosphide
is
an
effective
electrocatalyst
for
NO
3
−
electroreduction
into
NH
.
Phosphorus
crucial
stabilizing
the
active
phase
and
optimizing
energy
barriers,
Co
4p
orbitals
directly
participate
in
nitrate
reduction.
Abstract
Amongst
various
futuristic
renewable
energy
sources,
hydrogen
fuel
is
deemed
to
be
clean
and
sustainable.
Electrochemical
water
splitting
(EWS)
an
advanced
technology
produce
pure
in
a
cost‐efficient
manner.
The
electrocatalytic
evolution
reaction
(HER)
oxygen
(OER)
are
the
vital
steps
of
EWS
have
been
at
forefront
research
over
past
decades.
low‐cost
nanostructured
metal
phosphide
(MP)‐based
electrocatalysts
exhibit
unconventional
physicochemical
properties
offer
very
high
turnover
frequency
(TOF),
low
potential,
mass
activity
with
improved
efficiency,
long‐term
stability.
Therefore,
they
potential
meet
practical
challenges
for
supporting
future
economy.
This
review
discusses
recent
progress
MP‐based
catalysts
emphasis
given
on
in‐depth
understanding
catalytic
innovative
synthetic
strategies
through
combined
experimental
(in
situ/operando
techniques)
theoretical
investigations.
Finally,
challenges,
critical
issues,
outlook
field
electrolysis
addressed.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(46)
Опубликована: Авг. 27, 2021
Abstract
The
advancement
of
a
naturally
rich
and
effective
bifunctional
substance
for
hydrogen
oxygen
evolution
reaction
is
crucial
to
enhance
fuel
production
efficiency
via
the
electrolysis
process.
Herein,
facile
scalable
hydrothermal
synthesis
electrocatalyst
polyoxometalate
anchored
zinc
cobalt
sulfide
nanowire
on
Ni‐foam
(NF)
overall
water
splitting
reported
first
time.
electrochemical
analysis
POM@ZnCoS/NF
displays
significantly
low
HER
OER
overpotentials
170/337
200/300
mV
attain
current
density
10/40
20/50
mA
cm
−2
,
respectively,
demonstrating
notable
performance
toward
H
2
O
in
alkaline
medium.
Additionally,
electrolyzer
consisting
anode
cathode
shows
an
appealing
potential
1.56
V
deliver
10
splitting.
high
electrocatalytic
activity
attributed
modulation
electronic
chemical
properties,
increment
electroactive
sites
electrochemically
active
surface
area
nanowires
due
anchorage
nanoparticles.
These
results
demonstrate
advantage
incorporation
strategy
design
cost‐effective
highly
competent
catalysts
complete
Deleted Journal,
Год журнала:
2022,
Номер
1, С. e9120020 - e9120020
Опубликована: Июнь 29, 2022
Photoelectrochemical
(PEC)
water
splitting
can
directly
convert
solar
energy
into
hydrogen
for
storage,
effectively
ending
the
crisis
and
solving
environmental
problems.
With
their
modification
by
many
researchers,
photoanodes
have
rapidly
improved
in
PEC
performance.
Nevertheless,
poor
stability
of
water-splitting
devices
has
not
been
corrected,
seriously
hindering
practical
application
large-scale
commercialization.
In
this
review,
we
provide
a
detailed
introduction
to
photocorrosion
mechanism
characterizations
stability,
summarizing
current
research
progress
on
metal
oxide/sulfide
photoanode
materials.
According
specificity
each
semiconductor,
corrosion
strategy
are
discussed
detail.
Finally,
summarize
deficiencies
propose
influencing
factors
possible
solutions
that
need
be
considered
field
photoanodes.
This
review
reference
based
oxides
sulfides,
especially
design
efficient
stable
sulfide-based
