Energy Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 17, 2024
Layered
double
hydroxide
(LDH)
has
a
layered
structure,
which
makes
it
strong
candidate
for
supercapacitors
(SC)
due
to
its
high
surface
area.
However,
they
suffer
from
low
conductivity
insufficient
charge
transfer
across
their
layers.
This
research
aims
overcome
this
obstacle
by
introducing
conductive
channels
among
the
layers
addition
of
Ag–citrate
and
polyaniline
(PANI).
Consequently,
five
electrodes
(S
1–5
)
were
made
NiCoMn
LDH
(referred
as
henceforth)
2:1
PANI
composite
(Ag/PANI)
in
different
ratios
into
electrodes.
Electrochemical
analysis
revealed
successful
improvement
performance
fraction
Ag/PANI
increased
until
equaled
where
highest
specific
capacitance
617
F
g
−1
was
obtained,
is
12%
greater
than
value
solely
electrode
(550
).
A
device
fabricated
with
best
3
activated
carbon
electrode,
demonstrated
energy
densities
power
41
WhKg
412.5
W
Kg
14
8250
at
0.5
10
current
densities,
respectively.
It
also
exhibited
capacitive
retention
about
75%
3000
galvanostatic
charge–discharge
cycles.
These
results
encourage
use
LDH,
1:1
ratio
SCs
remarkable
performance.
