International Journal of Renewable Energy Development,
Год журнала:
2025,
Номер
14(3), С. 392 - 403
Опубликована: Фев. 26, 2025
This
research
aims
to
produce
N/S-doped
Carbon
Electrode
derived
from
paper
waste
(NSCEp)
for
Electric
Double-Layer
Capacitor
(EDLC).
The
holds
potential
as
raw
material
carbon
production
because
of
its
high
cellulose
content,
abundance
availability,
and
low
price.
To
enhance
the
electrical
performance
carbon,
an
activation
step
was
conducted,
followed
by
double
doping
with
nitrogen
sulfur
using
thiourea.
NSCEp
result
analysed
examine
specific
diffraction
peaks,
crystallinity,
morphology,
elemental
contents.
powder
then
mixed
dispersant
a
homogeneous
slurry
electrode
film.
EDLC
assembled
in
sandwich-like
structure,
sodium
hydroxide
(NaOH)
solution
impregnated
separator
between
film
electrodes.
assembly
conducted
under
argon
atmosphere
CR2032
coin
cell.
results
found
that
provides
conductivity
1.21
x
102
S/cm.
prepared
achieved
capacitance
value
39.555
F/g
determined
cyclic
voltammetry
(CV)
analysis.
Furthermore,
demonstrates
initial
charge-discharge
capacities
300.56
mAh/g
248.88
mAh/g,
respectively,
at
current
0.015
A/g.
capacity
remains
stable
up
300
cycles.
Abstract
Supercapacitors
(SCs)
with
outstanding
versatility
have
a
lot
of
potential
applications
in
next‐generation
electronics.
However,
their
practical
uses
are
limited
by
short
working
window
and
ultralow‐specific
capacity.
Herein,
the
facile
one‐step
in‐situ
hydrothermal
synthesis
is
employed
for
construction
NiMo
3
S
4
/BP
(black
phosphorous)
hybrid
3D
hierarchical
structure.
After
optimization,
displays
high
specific
capacitance
830
F/g
at
1
A/g
compared
to
pristine
electrode.
The
fabricated
/BP//NiCo
2
/Ti
C
Tx
asymmetric
supercapacitor
exhibits
better
120
0.5
A/g,
which
also
demonstrates
energy
density
54
Wh/kg
1148.53
W/kg
good
cycle
stability
capacity
retention
86%
97%
Coulombic
efficiency
after
6000
cycles.
Further
from
DFT
simulations,
structure
shows
higher
conductivity
quantum
capacitance,
demonstrate
greater
charge
storage
capability,
due
enhanced
electronic
states
near
Fermi
level.
lower
diffusion
barrier
electrolyte
K
+
ions
facilitated
improved
transfer
performance
/BP.
This
work
highlights
significance
nanoarchitectonics
compositional
tunability
as
an
emerging
method
improving
capabilities
active
electrodes.
Materials,
Год журнала:
2024,
Номер
17(1), С. 271 - 271
Опубликована: Янв. 4, 2024
The
next
step
in
nanotechnology
is
to
establish
a
methodology
assemble
new
functional
materials
based
on
the
knowledge
of
nanotechnology.
This
task
undertaken
by
nanoarchitectonics.
In
nanoarchitectonics,
we
architect
material
systems
from
nanounits
such
as
atoms,
molecules,
and
nanomaterials.
terms
hierarchy
structure
harmonization
function,
created
nanoarchitectonics
has
similar
characteristics
organization
biosystems.
Looking
at
actual
biofunctional
systems,
dynamic
properties
interfacial
environments
are
key.
other
words,
interfaces
important
for
production
bio-like
highly
systems.
this
review
paper,
will
be
discussed,
looking
recent
typical
examples.
particular,
basic
topics
“molecular
manipulation,
arrangement,
assembly”
“material
production”
discussed
first
two
sections.
Then,
following
section,
“fullerene
assembly:
zero-dimensional
unit
advanced
materials”,
discuss
how
various
structures
can
very
nanounit,
fullerene.
above
examples
demonstrate
versatile
possibilities
architectonics
interfaces.
last
these
tendencies
summarized,
future
directions
discussed.
RSC Advances,
Год журнала:
2024,
Номер
14(20), С. 14438 - 14451
Опубликована: Янв. 1, 2024
Supercapacitors
have
substantially
altered
the
landscape
of
sophisticated
energy
storage
devices
with
their
exceptional
power
density
along
prolonged
cyclic
stability.
On
contrary,
remains
low,
requiring
research
to
compete
conventional
battery
devices.
This
study
addresses
disparities
between
and
densities
in
technologies
by
exploring
integration
layered
double
hydroxides
(LDH)
highly
conductive
materials
develop
an
innovative
system.
Four
electrodes
were
fabricated
ACS ES&T Water,
Год журнала:
2024,
Номер
4(9), С. 4129 - 4139
Опубликована: Авг. 1, 2024
The
contamination
of
natural
water
bodies
with
dyes
and
other
refractory
compounds
is
a
menacing
issue
in
developing
nations.
Despite
stringent
laws,
industrial
effluent
not
managed
efficiently,
as
it
incurs
additional
cost.
Hence,
the
present
research
focuses
on
sustainable
mitigation
contaminants
using
self-driven
bioelectro-Fenton
(BEF)
system.
iron-activated
charcoal
(Gt-Fe/AC)
cathode-cum-Fenton
catalyst
used
this
investigation
was
synthesized
waste
green
tea
extract
biogenic
agent.
catalyst-driven
BEF
system
(Gt-Fe/AC-MFC)
achieved
maximum
power
density
111.7
±
3.1
mW/m2
operating
voltage
108
3
mV,
while
parallelly
degrading
20
mg/L
Coomassie
Brilliant
Blue
(CBB)
dye
almost
entirely
300
min
at
neutral
pH.
Additionally,
high
removal
Congo
red
(96.8
1.2%)
methylparaben
(90.9
0.6%)
attained
under
similar
conditions.
Moreover,
Fe-AC-catalyzed
performed
fairly
well
treating
spiked
real
wastewater
exhibited
remarkable
stability,
only
3%
decrease
CBB
efficiency
after
10
continuous
cycles
0.11%
drop
cathodic
current
per
cycle.
can
be
oxidative
technology
to
tackle
resource-constricted
regions.
