Batteries,
Journal Year:
2024,
Volume and Issue:
10(11), P. 393 - 393
Published: Nov. 6, 2024
The
coupling
of
solar
cells
and
Li-ion
batteries
is
an
efficient
method
energy
storage,
but
power
suffers
from
the
disadvantages
randomness,
intermittency
fluctuation,
which
cause
low
conversion
efficiency
into
electric
energy.
In
this
paper,
a
circuit
model
for
system
with
PV
charge
controller
battery
presented
in
MATLAB/Simulink
environment.
A
new
three-stage
charging
strategy
proposed
to
explore
changing
performance
battery,
comprising
constant-current
charging,
maximum
point
tracker
(MPPT)
constant-voltage
stages,
among
MPPT
stage
can
achieve
fastest
(MPP)
capture
and,
therefore,
improve
efficiency.
Furthermore,
lifetime
through
scheme.
simulation
results
indicate
that
improvement
tracking
99.9%,
average
reach
96.25%,
higher
than
commercial
chargers.
This
work
efficiently
matches
enhance
storages,
provides
optimization
idea
hybrid
PV/Li-ion
systems.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(2), P. 431 - 431
Published: Jan. 8, 2025
The
end-of-life
(EoL)
management
of
solar
panel
waste
has
emerged
as
an
important
issue
related
to
first-generation
panels
in
South
Korea,
which
have
already
entered
their
retirement
stage.
In
this
study,
the
sustainability
impacts
three
scenarios
for
recycling
EoL
panels,
namely
mechanical
(MR),
chemical
(CR),
and
thermal
(TR),
were
investigated,
environmental
economic
benefits
evaluated
using
life
cycle
assessment
(LCSA)
method,
with
landfilling
reference
scenario.
results
obtained
showed
a
high
global
warming
potential
(GWP)
well
acidification
MR
owing
additional
burden
transportation
industrial
processes
associated
MR.
For
CR,
use
chemicals
subsequent
resulted
approximately
4.7
times
higher
terrestrial
eco-toxicity
than
was
observed
Further,
GWP
TR
1.5
that
CR
its
energy
consumption.
However,
generally
lower
CR.
capture
current
situation
PV
can
be
employed
facilitate
establishment
regulations
ensure
sustainable
regard.
The
advancement
of
dye-sensitized
solar
cells
(DSSCs)
critically
hinges
on
the
innovation
cost-effective,
high-performance
counter
electrode
(CE)
catalysts.
This
research
outlines
a
synthesis
route
for
fabricating
platinum
(Pt)-free
CE
catalysts,
specifically
alkalized
Ti3C2Tx
MXene–PEDOT
nanofibers
(a-Ti3C2Tx-PNFs).
methodology
entails
alkalization
acid-etched
using
KOH,
followed
by
intercalation
with
PEDOT
nanofibers.
formation
hybrid
a-Ti3C2Tx-PNFs
was
confirmed
through
an
array
characterization
techniques,
including
XRD,
XPS,
HRSEM,
and
HRTEM.
Electrochemical
evaluations
revealed
that
a-Ti3C2Tx-PNF
exhibits
exceptional
catalytic
reduction
capabilities
demonstrates
remarkably
low
charge-transfer
resistance
8.5
Ω
cm2
triiodide
electrolyte.
Consequently,
DSSCs
incorporating
achieved
power
conversion
efficiency
(PCE)
7.1%
under
optimized
conditions,
closely
approaching
8.06%
observed
Pt-based
CEs.
Moreover,
reproducibility
stability
tests
offers
consistent
performance
high
corrosion
in
iodide/triiodide
These
findings
emphasize
possibility
as
practical
substitute
DSSCs,
representing
notable
progress
contemporary
cell
technology.
