Nanotechnology,
Год журнала:
2023,
Номер
34(41), С. 415401 - 415401
Опубликована: Июль 4, 2023
The
aim
of
this
work
is
to
overcome
the
problem
agglomeration
and
volumetric
changes
observed
in
reduced
graphene
oxide
(rGO)
polyaniline
(PANI)
nanocomposites
responsible
for
inferior
capacitive
performance.
synergistic
effect
optimized
rGO,
PANI
tellurium
(Te)
ternary
nanocomposite
was
investigated
electrochemical
performances
energy
storage
devices.
For
purpose,
test
performed
at
low
molar
0.1M
H2SO4concentration
aqueous
electrolyte
a
two-electrode
cell
assembly.
studies
showed
that
specific
capacitance
564F
g-1is
attained
rGO/PANI
electrode
whose
performance
an
increase
by
adding
different
concentration
Te.
maximum
895
F
g-1at
10
mV
s-1was
rGO/PANI/Te50(GPT50)
with
negligible
charge
transfer
resistance,
knee
frequency
∼466.63
Hz,
response
time
∼17.39
s,
high
coulombic
efficiency
∼92%
power
densities
41Whkg-1and
3679Wkg-1with
cyclic
stability
∼91%
after
5000
GCCD
cycles
respectively.
result
material
indicated
combination
Te
rGO
can
be
used
enhance
supercapacitor
electrodes.
This
novel
composition
has
overall
improved
materials
thus
as
suitable
candidate
Chemical Physics Impact,
Год журнала:
2024,
Номер
8, С. 100543 - 100543
Опубликована: Фев. 23, 2024
Nickel
ferrite
(NiFe2O4)
is
one
of
the
nanostructures
that
has
been
focus
researchers
in
field
energy
recent
years
as
an
electrode,
conductive,
stable,
and
cheap.
In
this
research,
for
first
time,
we
have
synthesized
it
using
a
felt
carbon
substrate.
The
electrode
(NiFe2O4/CF)
was
evaluated
by
CV,
GCD,
EIS
three-electrode
system
KOH
electrolyte.
results
showed
specific
capacity
490
F/g
at
current
density
1
A/g
stability
91.3
%
after
5000
consecutive
GCD
cycles.
Subsequent
investigations
were
carried
out
two-electrode
constructing
Asymmetrical
supercapacitor
NiFe2O4/CF
Active
electrodes.
analyses
conducted
potential
window
1.5
V.
power
determined
39
Wh/kg
410
W/kg
Also,
use
activated
construction
device
improved
so
charges
discharges,
constructed
94.2
stability.
Finally,
examined
application
made
to
keep
LED
lamp
on.
We
able
on
71
s.
Materials Advances,
Год журнала:
2023,
Номер
4(19), С. 4317 - 4332
Опубликована: Янв. 1, 2023
This
perspective
aims
to
shed
light
on
the
significant
biomedical
applications
of
MXene-based
wearable
supercapacitors
and
their
transformative
impact
healthcare.
