ChemPlusChem,
Journal Year:
2024,
Volume and Issue:
89(7)
Published: March 9, 2024
Strain
engineering
is
a
novel
method
that
can
achieve
superior
performance
for
different
applications.
The
lattice
strain
affect
the
of
electrochemical
catalysts
by
changing
binding
energy
between
surface-active
sites
and
intermediates
be
affected
thickness,
surface
defects
composition
materials.
In
this
review,
we
summarized
basic
principle,
characterization
method,
introduction
strategy
application
direction
strain.
reactions
on
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
are
focused.
Finally,
present
challenges
summarized,
suggestions
future
development
in
electrocatalytic
overall
water
splitting
put
forward.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(7), P. 1797 - 1807
Published: Jan. 1, 2024
The
obtained
bimetallic
sulfide
catalyst
can
be
reconstituted
as
FeCoOOH,
which
has
high
efficacy
for
water
splitting.
activation
energy
barrier
of
key
reaction
steps
effectively
reduced
by
dual-metal
cooperation.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(38), P. 15540 - 15564
Published: Jan. 1, 2024
This
review
summarizes
recent
advances
in
MXene
and
transition
metal
oxide
(TMO)
electrocatalysts
for
enhancing
oxygen
evolution
reaction
(OER),
concluding
with
key
findings
future
research
directions
further
improvements.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(11), P. 10183 - 10202
Published: May 21, 2024
Vanadium
carbide
(V2C)
MXene,
a
transition
metal,
exhibits
significant
potential
as
an
innovative
cocatalyst
to
enhance
photocatalytic
efficiency.
In
this
study,
we
explored
the
construction
of
self-assembled
V2C@V2O5/TiO2
composite
through
sol–gel
method,
incorporating
in
situ
grown
vanadium
oxide
(V2O5)
with
TiO2.
Efficient
charge
carrier
separation
was
achieved
owing
higher
conductivity,
abundant
active
sites,
and
light
absorbance.
When
employed
methanol–water
mixture,
resulting
CO
CH4
production
reached
remarkable
amounts
20
075
17
567
μmol
g–1
h–1,
respectively.
This
represented
substantial
enhancement
efficiency
compared
using
water/H2
sacrificial
reagents
pure
TiO2
nanoparticles.
enhanced
photoactivity
presence
methanol
attributed
efficient
photoinduced
separation,
facilitated
by
synergistic
effect
V2C/V2O5
increased
proton
production.
Moreover,
performance
V2C
MXene-based
for
CO,
CH4,
H2
formation
1.45,
52.75,
1.35
times
higher,
respectively,
than
that
V2AlC
MAX-based
composite.
The
advantages
conductivity
its
two-dimensional
layered
structure
contributed
achieving
MAX
structure.
maximum
quantum
yield
9.7,
8.488,
0.352%
H2,
over
continuous
consecutive
cycles.
study
not
only
demonstrates
promising
prospects
MXenes
but
also
introduces
approach
designing
fabricating
highly
stable
systems
CO2
recycling,
applications
various
energy-related
fields.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(80), P. 11971 - 11974
Published: Jan. 1, 2023
In
1
M
KOH
and
in
0.5
NaCl
+
KOH,
the
overpotential
of
nanoflower-like
FeNiCrMnCoOOH/NF
is
201
223
mV,
respectively,
at
a
current
density
10
mA
cm
−2
.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(22), P. 28526 - 28536
Published: May 22, 2024
NiFe
layered
double
hydroxide
(LDH)
with
abundant
heterostructures
represents
a
state-of-the-art
electrocatalyst
for
the
alkaline
oxygen
evolution
reaction
(OER).
Herein,
LDH/Fe2O3
nanosheet
arrays
have
been
fabricated
by
facile
combustion
of
corrosion-engineered
foam
(NFF).
The
in
situ
grown,
self-supported
exhibited
low
overpotential
248
mV
OER
at
50
mA
cm–2,
small
Tafel
slope
31
dec–1,
and
excellent
durability
over
100
h
under
industrial
benchmarking
500
cm–2
current
density.
A
balanced
Ni
Fe
composition
optimal
corrosion
contributed
to
desirable
electrochemical
properties.
Comprehensive
ex-situ
analyses
operando
characterizations
including
Fourier-transformed
alternating
voltammetry
(FTACV)
Raman
demonstrate
beneficial
role
modulated
interfacial
electron
transfer,
dynamic
atomic
structural
transformation
NiOOH,
high-valence
active
metal
sites.
This
study
provides
low-cost
easy-to-expand
way
synthesize
efficient
durable
electrocatalysts.