IGI Global eBooks,
Год журнала:
2025,
Номер
unknown, С. 137 - 186
Опубликована: Апрель 11, 2025
Nanofibers
(NFs)
are
emerging
as
promising
materials
for
energy
storage
applications.
Their
nanoscale
architecture
enhances
charge
transport,
making
them
ideal
batteries,
supercapacitors
and
fuel
cells.
By
incorporating
conductive
polymers,
carbon
metal
oxides,
nanofibers
can
achieve
high
electrical
conductivity
specific
capacities
high-performance
devices.
In
lithium-ion
batteries
(LIBs),
NF-based
anodes
cathodes
enabled
density,
improved
cycling
stability
faster
charging.
NF
electrodes
in
increased
capacitance
enhanced
charge-discharge
rates
due
to
efficient
electron
ion
pathways.
cells,
catalysts
provided
a
large
active
surface,
hence
promoting
redox
reactions.
However,
challenges
namely
cost,
scalability
long-term
needs
be
addressed
commercial
viability.
conclusion,
NFs
hold
great
potential
advancing
next-generation
technologies
their
functional
benefits.
Sustainable Chemistry for the Environment,
Год журнала:
2024,
Номер
6, С. 100094 - 100094
Опубликована: Апрель 12, 2024
In
the
investigation
of
sustainable
materials,
this
study
explores
viability
employing
Lemon
Activated
Carbon
(LAC)
for
bio-adsorption
lead
ions
from
e-waste
bio-leachate.
The
novelty
work
lies
in
comprehensive
analyses
LAC
characteristics,
including
particle
size,
surface
area,
zeta
potential,
and
morphology.
morphology
adsorption
capacity
were
measured
using
scanning
electron
microscope
(SEM)
atomic
absorption
spectroscopy
(AAS),
confirming
efficacy
removing
bio-leachate
solutions.
area
analysis
unveiled
that
LAC,
with
a
603.7
m²/g
achieved
through
thermal
activation,
exhibited
competitive
ion
despite
its
lower
compared
to
commercial-activated
carbon
(990
m²/g).
Additionally,
both
CAC
displayed
pseudo-second-order
kinetics
adsorption,
Langmuir
isotherm
model
fitting
well
(R2
=
0.9879)
LAC.
amorphous
nature
confirmed
by
X-ray
diffraction
(XRD)
FTIR
revealed
functional
groups,
highlighting
their
suitability
adsorption.
comprised
75.82%
maximum
at
pH
6.
optimized
operating
parameters
89.16%
removal
These
findings
highlight
innovative
utilization
lemon
peel-derived
activated
as
environmentally
friendly
solution
mitigating
impacts
bio-leachate,
thus
contributing
advancement
environmental
remediation
techniques.
The
use
of
carbonaceous
materials
in
the
production
supercapacitors
is
growing
rapidly,
partly
because
carbonization
can
reuse
waste
that
would
otherwise
be
difficult
to
commercialize.
For
these
suitable
for
supercapacitors,
they
require
precise
characterization,
especially
terms
electrical
conductivity.
However,
literature,
high
variability
resistance
measurements
same
material
often
found,
resulting
inconsistent
data
and
a
risk
error
when
assessing
their
suitability
supercapacitor
applications.
This
study
presents
novel,
standardized,
cost-effective
3D-printed
method
accurately
measure
resistivity
carbon
powders,
regardless
sample
thickness
or
substrate
dimensions.
Using
an
integrated,
patented
system,
this
produces
reliable
consistent
conductivity
readings,
significantly
reducing
compared
with
traditional
measurement
techniques.
increased
consistency
enables
more
selection
process
also
offers
scalable
solution
improve
comparability
reproducibility
materials,
paving
way
wider
industrial
adoption.
