International Journal of Electrochemical Science,
Год журнала:
2024,
Номер
19(6), С. 100590 - 100590
Опубликована: Апрель 16, 2024
Layered
double
hydroxides
(LDH)
are
being
explored
as
a
promising
electrode
material
for
supercapacitors
due
to
their
cost-effectiveness,
high
reactivity,
and
environmental
friendliness.
Nowadays,
considerable
efforts
about
LDH
have
focus
on
the
composition
of
different
bimetals
or
trimetals,
few
studies
impact
bimetal
ratio.
In
this
study,
NiFe-LDH
materials
with
proportions
were
synthesized
by
one-step
hydrothermal
method.
The
results
show
that
content
Ni
Fe
in
has
certain
effect
electrochemical
performance
electrode.
particular,
Ni5Fe1-LDH
exhibits
outstanding
terms
both
specific
capacity
energy
density,
even
than
some
composite
based
NiFe-LDH.
Specifically,
demonstrates
139.83
mAh
g−1at
0.5
A
g−1,
maintaining
cycle
efficiency
66.36%
after
3000
cycles.
Furthermore,
Ni5Fe1-LDH//AC
density
35.85
Wh
kg−1
at
power
800
W
kg−1.
Doping
of
metal
ions
shows
promising
potential
in
optimizing
and
modulating
the
electrical
conductivity
layered
double
hydroxides
(LDHs).
However,
there
is
still
much
room
for
improvement
common
conventional
doping
methods.
In
contrast
to
previous
methodologies,
a
hollow
triangular
nanoflower
structure
CoFeV-LDHs
devised,
which
enriched
with
greater
number
oxygen
vacancies.
This
resulted
significant
enhancement
LDHs,
leading
an
increase
energy
density
following
appropriate
V.
To
investigate
impact
V-doping
on
situ
XPS
X-ray
spectroscopy
employed.
Regarding
electrochemical
performance,
CoFeV-LDHs/NF
electrode
optimal
ratio
exhibited
specific
capacitance
881
F
g
Next Materials,
Год журнала:
2023,
Номер
1(4), С. 100040 - 100040
Опубликована: Сен. 27, 2023
Layered
double
hydroxides
(LDHs)
are
a
family
of
two-dimensional
(2D)
layered
materials
with
controllable
supramolecular
structure
and
unique
physicochemical
properties,
making
them
highly
attractive
in
the
fields
energy
storage
conversion.
Considering
intense
interest
LDHs
family,
this
review
aims
to
provide
comprehensive
summary
their
development
history,
synthesis
strategies,
energy-related
applications.
Special
attention
is
given
distinctive
properties
LDHs,
such
as
oriented
assembly
topological
transformation,
which
can
serve
systematic
guidance
for
preparation
LDHs-based
nanostructures.
Furthermore,
outlines
both
classical
cutting-edge
applications
electrocatalysis.
Of
particular
interest,
emerging
coupling
system
based
on
electrocatalytic
water
splitting
thoroughly
analyzed.
Finally,
prospects
potential
challenges
discussed,
aiming
raise
awareness
among
researchers
stimulate
further
progress
material
development.
Polymer-Plastics Technology and Materials,
Год журнала:
2024,
Номер
63(8), С. 939 - 974
Опубликована: Фев. 5, 2024
Recently
emerging
nanotechnological
advancements
has
facilitated
the
embedment
of
metal-organic
framework
(MOFs)
also
referred
as
porous
co-ordination
polymers
(PCPs),
within
conducting
polymeric
(CP)
matrices
(polyaniline,
polypyrrole,
poly(3,4-ethylenedioxythiophene)
and
so
on),
resulting
in
fabrication
multifunctional
MOF@CP
nanoarchitectures
for
multifarious
applications
especially
electrochemical
energy
storage
due
to
garnered
enhanced
features
(low
density,
manipulatable
architectures,
elevated
specific
surface
areas,
aligned
crystalline
architectur)e,
well
controllable
constitution
at
molecular
level.
Therefore,
this
paper
presents
recently
trends
supercapacitors,
lithium-sulfur
batteries,
metal-ion
lithium-oxygen
zinc-air
batteries
cover
other
segments.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(19), С. 11176 - 11234
Опубликована: Янв. 1, 2024
This
comprehensive
review
article
explains
the
influence
of
various
GO
and
GO-polymer
membrane
modifications
for
VRFB,
which
range
from
cation
anion
exchange
to
amphoteric
zwitterionic
membranes.
