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.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
6(10)
Published: Oct. 1, 2024
Abstract
The
restacking
and
oxidizable
nature
of
vanadium‐based
carbon/nitride
(V
2
C‐MXene)
poses
a
significant
challenge.
Herein,
tellurium
(Te)‐doped
V
C/V
O
3
electrocatalyst
is
constructed
via
mild
H
oxidation
calcination
treatments.
Especially,
this
work
rationally
exploits
the
inherent
easy
characteristic
associated
with
MXene
to
alter
interfacial
information,
thereby
obtaining
stable
self‐generated
heterointerfaces.
Meanwhile,
microetching
effect
creates
numerous
pores
address
issues.
Besides,
Te
element
doping
settles
issue
awkward
levels
absorption/desorption
ability
intermediates.
obtains
an
unparalleled
hydrogen
evolution
reaction
oxygen
overpotential
83.5
279.8
mV
at
−10
10
mA
cm
−2
,
respectively.
In
addition,
overall
water‐splitting
device
demonstrates
low
cell
voltage
1.41
obtain
.
Overall,
drawbacks
can
be
turned
into
benefits
based
on
planning
strategy
create
these
electrocatalysts
desirable
kinetics.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Unraveling
the
fundamental
mechanisms
of
sodium
ion
adsorption
behavior
is
crucial
for
guiding
design
electrode
materials
and
enhancing
performance
capacitive
deionization
systems.
Herein,
optimization
systematically
investigated
through
robust
d–d
orbital
interactions
within
zinc‐doped
iron
carbide,
facilitated
by
a
novel
liquid
nitrogen
quenching
treatment.
Liquid
treatment
can
enhance
coordination
number,
strengthen
interactions,
promote
electron
transfer,
shift
d‐band
center
Fe
closer
to
Fermi
level,
thereby
ions
energy.
Consequently,
obtained
material
achieves
superior
gravimetric
capacity
121.1
mg
g
−1
attractive
cyclic
durability.
The
highly
competitive
compared
vast
majority
related
research
works
in
field
deionization.
Furthermore,
adsorption/desorption
are
substantiated
ex
situ
techniques,
revealing
dynamic
atomic
electronic
structure
evolutions
under
operational
conditions.
This
work
demonstrates
that
optimizing
via
modulation
enabled
an
effective
approach
developing
efficient
materials.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(15), P. e35643 - e35643
Published: Aug. 1, 2024
High
valence
multi
transition
metal
hydroxides
are
greatly
enriched
with
OER
redox
active
sites
due
to
strong
synergy
of
heteroatomic
nuclei.
The
efficiency
these
could
be
efficiently
improved
by
coupling
highly
conductive
substrate.
advanced
three-dimensional
(3D)
architecture
and
hydrophilic
terminal
functionalities
MXene
(MX)
considerably
enhance
the
maximum
utilization
rate
anchored
triggering
direct
growth
at
MX
Here-in,
freeze-dried
3D
network
crumpled
Vanadium-Carbide
(V2C)
sheets
regulates
crystallization
in-situ
grown
NiFeCr
on
scaffold
through
co-precipitation
process.
XPS
results
suggest
a
synergistic
chemical
interaction
that
modifies
electronic
structure
composite
ensuring
reduced
charge
transfer
resistance.
Besides,
as
found
in
FESEM
morphological
investigation,
well-dispersed
multi-transition
immobilized
open
pores
like
V2C-MX
facilitate
thoroughly
accessible
sites.
As
result,
NiFeCr@3D
has
shown
an
excellent
electrocatalytic
activity
overpotential
410
mV
current
density
200
mA
cm−2,
Tafel
slope
100
dec
1M
KOH.
significant
between
metallic
centers
support
prevent
detachment
or
agglomeration
providing
electrolytic
ions,
quick
ionic
OH−
transportation,
speedy
stable
electron
channels
thus
ensure
long-term
stability
NV-5MX
during
53
h
continuous
operation
OER.
Furthermore,
we
have
utilized
more
accurate
value
half-cell
standard
reduction
potential
Hg/HgO
electrode
Nernst
equation
represent
all
test
voltages
determine
values.
In
essence,
this
study
features
facile
approach
for
confined
presence
morphologically
unique
V2C
architectures.
Consequently,
increased
reaction
kinetics
synthesized
composites
potentially
interplay
well
dispersed
