Molecules,
Год журнала:
2023,
Номер
28(12), С. 4737 - 4737
Опубликована: Июнь 13, 2023
Electrolytes
are
one
of
the
most
influential
aspects
determining
efficiency
electrochemical
supercapacitors.
Therefore,
in
this
paper,
we
investigate
effect
introducing
co-solvents
ester
into
ethylene
carbonate
(EC).
The
use
(EC)
as
an
electrolyte
for
supercapacitors
improves
conductivity,
properties,
and
stability,
allowing
greater
energy
storage
capacity
increased
device
durability.
We
synthesized
extremely
thin
nanosheets
niobium
silver
sulfide
using
a
hydrothermal
process
mixed
them
with
magnesium
sulfate
different
wt%
ratios
to
produce
Mg(NbAgS)x)(SO4)y.
synergistic
MgSO4
NbS2
density
supercapattery.
Multivalent
ion
Mg(NbAgS)x(SO4)y
enables
number
ions.
Mg(NbAgS)x)(SO4)y
was
directly
deposited
on
nickel
foam
substrate
simple
innovative
electrodeposition
approach.
provided
maximum
specific
2087
C/g
at
2.0
A/g
current
because
its
substantial
electrochemically
active
surface
area
linked
nanosheet
channels
which
aid
transportation.
supercapattery
designed
activated
carbon
(AC)
achieved
high
79
Wh/kg
addition
power
420
W/kg.
(Mg(NbAgS)x)(SO4)y//AC)
subjected
15,000
consecutive
cycles.
Coulombic
81%
after
cycles
while
retaining
78%
retention.
This
study
reveals
that
novel
electrode
material
(Mg(NbAgS)x(SO4)y)
ester-based
electrolytes
has
great
potential
applications.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Апрель 20, 2023
Hybrid
electric
vehicles
and
portable
electronic
systems
use
supercapacitors
for
energy
storage
owing
to
their
fast
charging
discharging
rates,
long
life
cycle,
low
maintenance.
Specific
capacitance
is
regarded
as
one
of
the
most
important
performance-related
characteristics
a
supercapacitor's
electrode.
In
current
study,
Machine
Learning
(ML)
algorithms
were
used
determine
impact
various
physicochemical
properties
carbon-based
materials
on
capacitive
performance
double-layer
capacitors.
Published
experimental
datasets
from
147
references
(4899
data
entries)
extracted
then
train
test
ML
models,
relative
importance
electrode
material
features
specific
capacitance.
These
include
density,
pore
volume,
size,
presence
defects,
potential
window,
surface
area,
oxygen,
nitrogen
content
material.
Additionally,
categorical
variables
testing
method,
electrolyte,
carbon
structure
electrodes
are
considered
well.
Among
five
applied
regression
an
extreme
gradient
boosting
model
was
found
best
correlate
those
with
performance,
highlighting
that
doping,
window
significant
descriptors
findings
summarized
in
modular
open-source
application
estimating
given,
only
inputs,
electrodes,
electrolyte
method.
perspective,
this
work
introduces
new
wide
dataset
literature,
also
giving
instance
how
electrochemical
technology
can
benefit
models.
Molecules,
Год журнала:
2023,
Номер
28(12), С. 4737 - 4737
Опубликована: Июнь 13, 2023
Electrolytes
are
one
of
the
most
influential
aspects
determining
efficiency
electrochemical
supercapacitors.
Therefore,
in
this
paper,
we
investigate
effect
introducing
co-solvents
ester
into
ethylene
carbonate
(EC).
The
use
(EC)
as
an
electrolyte
for
supercapacitors
improves
conductivity,
properties,
and
stability,
allowing
greater
energy
storage
capacity
increased
device
durability.
We
synthesized
extremely
thin
nanosheets
niobium
silver
sulfide
using
a
hydrothermal
process
mixed
them
with
magnesium
sulfate
different
wt%
ratios
to
produce
Mg(NbAgS)x)(SO4)y.
synergistic
MgSO4
NbS2
density
supercapattery.
Multivalent
ion
Mg(NbAgS)x(SO4)y
enables
number
ions.
Mg(NbAgS)x)(SO4)y
was
directly
deposited
on
nickel
foam
substrate
simple
innovative
electrodeposition
approach.
provided
maximum
specific
2087
C/g
at
2.0
A/g
current
because
its
substantial
electrochemically
active
surface
area
linked
nanosheet
channels
which
aid
transportation.
supercapattery
designed
activated
carbon
(AC)
achieved
high
79
Wh/kg
addition
power
420
W/kg.
(Mg(NbAgS)x)(SO4)y//AC)
subjected
15,000
consecutive
cycles.
Coulombic
81%
after
cycles
while
retaining
78%
retention.
This
study
reveals
that
novel
electrode
material
(Mg(NbAgS)x(SO4)y)
ester-based
electrolytes
has
great
potential
applications.