Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 8, 2025
ABSTRACT
In
this
project,
efficient
polyaniline/thermally
reduced
graphene
oxide–manganese
oxide
(PANI/TRGO‐MnO
2
)
hybrid
is
synthesized
by
thermal–chemical
technique
and
applied
as
working
electrode
materials.
The
properties
of
the
pure
PANI,
TRGO‐MnO
,
PANI/TRGO‐MnO
hybrids
are
characterized
via
field
emission
scanning
electron
microscopy
(FESEM),
X‐ray
diffraction
analysis
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
Raman,
UV–visible
spectroscopy.
fibrous
PANI
particles
grown
on
both
sides
MnO
nanoparticles
(NPs)
uniformly
diffused
in
TRGO.
Raman
results
show
that
average
size
crystallites
(La)
obtained
at
17.8
27.4
nm
for
hybrids,
respectively.
electrochemical
as‐prepared
electrodes
evaluated
cyclic
voltammetry
(CV),
impedance
spectroscopy,
galvanostatic
charge–discharge.
CV
plots
illustrate
responses
similar
to
a
pseudocapacitive
behavior
without
polarization.
prepared
indicates
greatly
improved
specific
capacitance
1027.27
F.g
−1
compared
(581.05
(791.39
1
molar
sulfuric
acid
(1
M
H
SO
4
electrolyte
solution.
Furthermore,
solution
resistance,
charge
transfer
internal
resistance
be
5.2,
13.1,
20.9
Ω
high‐performance
hybrid,
Polymers for Advanced Technologies,
Год журнала:
2024,
Номер
35(4)
Опубликована: Апрель 1, 2024
Abstract
This
work
reports
the
synthesis
and
testing
of
doped
polyaniline
(PANI)
Pisum
sativum
derived
activated
carbon
(PSAC)
based
composite
as
efficient
electrode
material
for
supercapacitors.
The
structure,
morphology,
elemental
analysis,
surface
area
materials
were
studied
using
x‐ray
diffraction
Fourier
transform
infrared
spectroscopy,
scanning
electron
microscopy,
energy
dispersive
x‐rays,
Raman
Brunauer–Emmett–Teller
analysis.
electrochemical
performance
was
investigated
by
deposition
it
on
two
different
substrates
named
stainless
steel
(SS)
stainless‐steel
mesh
(SS
mesh).
PSAC/PANI
exhibited
a
specific
capacitance
446
517
F
g
−1
SS
respectively,
at
scan
rate
5
mV
s
.
showed
higher
cyclic
stability
with
91%
retention
after
10,000
cycles
2
A
It
delivered
89
101
W
h
kg
power
5000
,
respectively.
Journal of Composites Science,
Год журнала:
2024,
Номер
8(2), С. 51 - 51
Опубликована: Янв. 30, 2024
This
investigation
addresses
increasing
interest
in
advanced
composite
materials,
combining
capacitive
properties
and
spontaneous
magnetization
for
energy
storage
applications
supercapacitors.
The
of
ferrimagnetic
NiFe2O4
(NFO)
spinel
nanoparticles
with
30
emu
g−1
were
enhanced
using
high-energy
ball-milling
the
use
dispersant,
which
facilitated
charge
transfer.
NFO
electrodes
an
active
mass
40
mg
cm−2
showed
a
capacitance
1.46
F
0.5
M
Na2SO4
electrolyte
negative
potential
range.
charging
mechanism
range
was
proposed.
combined
conductive
polypyrrole
polymer
fabrication
composites.
analysis
behavior
composites
cyclic
voltammetry,
chronopotentiometry
impedance
spectroscopy
at
different
electrode
potentials
revealed
synergy
contributions
PPy.
highest
6.64
obtained
from
voltammetry
data.
capacitance,
impedance,
magnetic
can
be
varied
by
variation
composition.
Composite
are
promising
application
anodes
asymmetric
supercapacitors
magnetically
water
purification
devices.
Polymer-Plastics Technology and Materials,
Год журнала:
2024,
Номер
63(9), С. 1106 - 1128
Опубликована: Март 5, 2024
Poly
(3-methylthiophene)
(P3MT)
was
modified
by
tin
disulfide
(SnS2)
and
zirconium
(ZrS2)
nanoparticles
to
enhance
its
electrochemical
performance.
The
surface
influence,
crystalline
structure,
performance
of
the
P3MT/SnS2/ZrS2
material
were
characterized
compared
with
that
pristine
P3MT.
It
is
found
modification
can
improve
structural
stability
P3MT
without
decreasing
available
specific
capacitance.
properties
synthesized
electrode
evaluated
using
cyclic
voltammetry
(CV)
AC
impedance
techniques
in
6
M
KOH
electrolyte.
Specific
capacitances
278,
697,
759,
1396
F/g
obtained
P3MT,
P3MT/SnS2,
P3MT/ZrS2,
P3MT/SnS2/ZrS2,
respectively,
at
1
A/g.
This
improvement
attributed
synergistic
effect
SnS2
ZrS2
material.
has
average
energy
power
densities
951
Wh
kg−1
5457
W
kg−1,
respectively.
Only
5%
capacitance's
initial
value
lost
after
10,000
cycles.
resulting
nanocomposite
had
very
stable
porous
layered
structures.
work
demonstrates
nanomaterials
exhibit
good
are
materials
for
supercapacitor
applications.
Periodica Polytechnica Chemical Engineering,
Год журнала:
2024,
Номер
68(1), С. 1 - 15
Опубликована: Март 6, 2024
Supercapacitors
are
the
energy
storage
devices
that
have
gained
increased
attention
due
to
high
charge
capacity,
fast
charge-discharge
rate,
specific
power
and
excellent
cycle
stability.
Recently,
research
on
supercapacitors
is
focused
development
of
new
electrode
materials
prepared
by
surface
engineering
obtain
superior
electrochemical
performance.
Carbonaceous
(CM)
such
as
graphene,
graphene
oxide
(GO),
reduced
(rGO)
carbon
nanotubes
(CNTs)
etc.
conducting
polymer
(CP)
based
composite
for
their
use
in
supercapacitors.
The
nanocomposites
obtained
merely
mixing
these
two
components
pose
some
serious
drawbacks
low
conductivity
or
poor
film
forming
ability.
conjugation
CPs
CMs
through
covalent
bonds
able
address
drawbacks.
This
review
mainly
provide
collective
information
about
various
synthetic
strategies
CP
grafted
supercapacitor
application.
Herein,
we
different
CP-CM
reactions
obtaining
composites
effects
performances.
analysis
revealed
importance
grafting
important
tuning
properties
materials.
