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.
Nanoscale,
Год журнала:
2024,
Номер
16(28), С. 13627 - 13641
Опубликована: Янв. 1, 2024
The
synergistic
integration
of
MnCo
2
O
4
with
conducting
polymer
(PPY)
and
carbonaceous
material
(AC)
leads
to
the
development
advanced
electrode
for
hybrid
supercapacitors.
ACS Omega,
Год журнала:
2024,
Номер
9(47), С. 46643 - 46663
Опубликована: Ноя. 13, 2024
With
the
rapid
development
of
modern
society,
efficient
and
utilization
new
energy
have
become
more
important.
The
high-performance
storage
conversion
devices
has
a
decisive
impact
on
sustainable
use
energy.
In
foreseeable
future,
exploration
high-quality
functional
materials
for
will
continue
to
be
main
goal
pursued
by
scientific
application
fields.
Metal
organic
frameworks
(MOFs)
merits
adjustable
porosity
stable
structure.
Moreover,
metal
elements
in
MOFs
could
play
role
as
active
sites
during
electrochemical
process.
Thus,
various
kinds
their
derivatives
been
prepared
used
conversion.
this
work,
applications
potentials
cobalt-based
(Co-MOFs)
supercapacitors,
advanced
batteries,
catalysts
reviewed
summarized.
properties,
mechanisms,
effects
performance
were
described
depth.
A
large
number
Co-MOFs
with
unique
structures,
well
numerous
Co-MOF
composites,
developed,
excellent
achieved,
which
already
some
most
advantageous
field.
addition,
current
research
status,
difficulties,
prospects
Co-based
comprehensively
summarized
at
end
study.
