Structural, optical and photoelectrochemical behavior of facile electrodeposition of organic/inorganic hybrid film
Optical and Quantum Electronics,
Год журнала:
2024,
Номер
56(4)
Опубликована: Фев. 3, 2024
Язык: Английский
Effect of morphology on the electrochemical performance of NiO thin films
Abdelkrim Houssou,
S Amirat,
Wahiba Bouchelaghem
и другие.
Bulletin of Materials Science,
Год журнала:
2024,
Номер
47(3)
Опубликована: Июнь 13, 2024
Язык: Английский
Quasi-solid fiber supercapacitors with enhanced performance based on multiple composite electrodes and protective layer
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
1013, С. 178614 - 178614
Опубликована: Янв. 1, 2025
Язык: Английский
V-doping suppressed lattice distortion in MnO2@exfoliated graphene for high-rate and ultrastable micro-supercapacitors
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 162849 - 162849
Опубликована: Апрель 1, 2025
Язык: Английский
ZnS/MnO2 metal organic framework based conductive hydrogel for highly selective and sensitive detection of glutathione in serum samples
Microchemical Journal,
Год журнала:
2023,
Номер
197, С. 109727 - 109727
Опубликована: Ноя. 28, 2023
Язык: Английский
Electrodeposition mode effects on the electrochemical performance of cobalt sulfide material for supercapacitors
Ionics,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 19, 2024
Язык: Английский
Rate Capability and Electrolyte Concentration: Tuning MnO2 Supercapacitor Electrodes through Electrodeposition Parameters
Heliyon,
Год журнала:
2024,
Номер
11(1), С. e41427 - e41427
Опубликована: Дек. 21, 2024
Manganese
dioxide
(MnO2)
is
a
well-known
pseudocapacitive
material
that
has
been
extensively
studied
and
highly
regarded,
especially
in
supercapacitors,
due
to
its
remarkable
surface
redox
behavior,
leading
high
specific
capacitance.
However,
full
potential
impeded
by
inherent
characteristics
such
as
low
electrical
conductivity,
dense
morphology,
hindered
ionic
diffusion,
resulting
limited
rate
capability
supercapacitors.
Addressing
this
issue
often
requires
complicated
strategies
procedures,
designing
sophisticated
composite
architectures.
This
study
introduces
straightforward
cost-effective
approach
tune
enhance
the
of
MnO2
pseudocapacitor
electrodes
fabricated
via
electrodeposition
method.
Among
parameters,
deposition
time
electrolyte
concentration,
which
influence
mass
loading,
electrode
thickness,
microstructure,
electrochemical
properties,
were
primary
focus.
Various
prepared
potentiostatically
two-electrode
cathodic
setup
on
Ni
foam
substrate
KMnO4
aqueous
electrolyte,
with
bath
concentrations
(in
terms
Mn
ion)
0.01
0.1
M,
times
ranging
from
1
15
min.
Optimal
capabilities
achieved
at
times,
primarily
structural
properties
under
circumstances.
While
M
concentration
resulted
formation
electrolytic
supercapacitive
sensitivity,
reducing
led
birnessite
δ-MnO2,
capable
maintaining
reasonable
capacitance
range
approximately
90-100
Fg-1
almost
no
sensitivity
charging/discharging
rate,
confirmed
galvanostatic
charge-discharge
(1-10
Ag-1)
cyclic
voltammetry
(10-100
mVs-1)
examinations.
Along
positive
impacts
layered
large
interlayer
spacing,
porous
morphology
(vertically
aligned
two-dimensional
interconnected
columns)
thickness
(≈2
μm)
lowest
(0.01
min
electrode)
contributed
fast
diffusion
kinetics
for
charge
storage
consequent
capability.
Язык: Английский
Recent development of electrochemically exfoliated graphene and its hybrid conductive inks for printed electronics applications
Rika Noor Safitri,
A. B. Suriani,
Ye Zar Ni Htwe
и другие.
Synthetic Metals,
Год журнала:
2024,
Номер
308, С. 117707 - 117707
Опубликована: Июль 27, 2024
Язык: Английский
Quasi-Solid Fiber Supercapacitors with Enhanced Performance Based on Multiple Composite Electrodes and Protective Layer
Опубликована: Янв. 1, 2024
Язык: Английский
Insights into the electrochemical performance of manganese dioxide coated metallic foils as potential electrodes for supercapacitors
Journal of Applied Electrochemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 8, 2024
Abstract
Manganese
dioxide
(MnO
2
)
is
a
promising
electrode
material
for
supercapacitors
due
to
its
high
theoretical
specific
capacitance.
In
this
study,
MnO
particles
were
synthesized
using
simple
hydrothermal
method
and
subsequently
coated
onto
silver,
nickel,
aluminum
foils
via
dip
coating.
The
structural,
morphological,
functional
properties
of
the
resulting
nanocomposites
characterized
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
Fourier-transform
infrared
spectroscopy
(FT–IR).
Electrochemical
impedance
(EIS),
galvanostatic
charge–discharge
(GCD),
cyclic
voltammetry
(CV)
employed
investigate
electrochemical
performance
metallic
foils.
results
demonstrated
that
/Ag
exhibited
highest
capacitance
198
F
g
–1
at
scan
rate
0.25
A
−1
,
accompanied
by
excellent
cycle
stability
(89%
retention).
This
surpassed
/Ni
/Al
foils,
which
maximum
capacitances
150
101
respectively.
Additionally,
displayed
charge
storage
capacity,
as
evidenced
EIS
analysis,
reaching
4000
Ω,
nearly
double
These
findings
highlight
potential
cost-effective
high-performance
widespread
applications
in
energy
devices
such
capacitors.
Graphical
Язык: Английский