The
growing
accumulation
of
waste
polyethylene
terephthalate
(PET)
presents
a
significant
environmental
challenge
requiring
the
development
sustainable
recycling
methods.
In
this
study,
we
propose
novel
approach
for
upcycling
PET
into
bend
resistive
sensors
through
laser-assisted
carbonization
surface-grown
Ni-BDC
(BDC
=
1,4-benzenedicarboxylate).
fabrication
process
involves
solvothermal
formation
homogeneous
layer,
followed
by
treatment
with
405
nm
laser
system
to
create
graphene-like
layer
enhanced
conductivity
(sheet
resistance
6.2
±
3.4
Ω
per
square).
developed
sensor
demonstrates
remarkable
robustness,
linear
response
in
wide
bending
angle
range
(6
44º),
as
well
excellent
mechanical
stability
and
stiffness.
This
contribution
paves
way
cost-effective
eco-friendly
devices
based
on
low-cost
polymer
resource
applications
Internet
Things.
Sustainable Chemistry for the Environment,
Journal Year:
2024,
Volume and Issue:
7, P. 100124 - 100124
Published: June 13, 2024
In
today's
world,
the
proliferation
of
electronic
devices
has
led
to
a
significant
increase
in
waste
(e-waste)
generation,
necessitating
development
innovative
approaches
for
sustainable
management.
E-waste
recycling,
which
involves
recovery
valuable
materials
from
discarded
devices,
emerged
as
promising
solution
growing
e-waste
problem.
This
article
presents
an
analysis
current
state
research
on
management,
encompassing
various
recycling
approaches,
including
mechanical,
chemical,
and
biological
methods.
The
revealed
that
most
management
focused
technologies,
with
emphasis
use
chemical
However,
there
is
interest
methods,
such
bioreactors
microbial
Many
challenges
lack
uniform
regulations,
inadequate
infrastructure,
high
cost
technologies
were
initiated.
formation
product
reuse
through
remanufacturing,
deployment
effective
facilities
are
necessary
e-waste.
challenge
develop
cost-effective
solutions
(plastic-based
metals-based
e-waste).
Several
currently
applied
plastic-based
primary,
secondary,
tertiary
metallurgical
ideal
methods
Furthermore,
techno-economic
feasibility
different
was
estimated.
suggests
while
some
economically
viable,
need
more
optimize
efficiency
cost-effectiveness
these
Materials for Renewable and Sustainable Energy,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 15, 2025
Abstract
The
increasing
demand
for
cost-effective
materials
energy
storage
devices
has
prompted
investigations
into
diverse
waste
derived
electrode
supercapacitors
(SCs)
application.
This
review
examines
advancements
in
converting
carbon-based
SCs
renewable
storage.
In
this
context,
different
precursor
sources
have
been
explored
over
the
years
as
electrodes
SCs.
These
comprise
of
industrial,
plastics
and
biowastes,
including
plant
animal
wastes.
capabilities
various
are
highlighted
to
provide
an
understanding
unique
features
that
make
them
applicable
addition,
some
challenges
associated
with
waste-derived
terms
emphasized.
Here,
we
also
provided
insights
recent
progress
synthesis
techniques
their
effects
on
electrochemical
performance.
performance
tailoring
material
structures
through
incorporation
form
composites
optimized
methods
is
effective
strategy.
Hence,
outlined
include
pyrolysis,
hydrothermal,
microwave-assisted,
template-assisted,
sol–gel
techniques.
effect
discussed.
Overall,
highlights
valorization
future
research
directions
scaling
challenges.
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 12, 2025
The
primary
challenge
for
supercapacitor
technology
lies
in
achieving
battery‐level
performance
while
reducing
costs.
Enhancing
energy
density
involves
strategic
adjustments
such
as
increasing
capacitance,
reliance
on
electrode–electrolyte
interactions,
or
boosting
cell
voltage,
dependent
electrolyte
stability.
Thus,
optimizing
requires
careful
electrode
material
design
and
selection.
Because
of
their
abundant
availability,
exceptional
performance,
simple
processing
methods,
various
naturally
occurring
bio‐wastes
industrial
wastes
have
been
explored
the
production
activated
carbon
supercapacitors.
Additionally,
agricultural
by‐products
sugarcane
bagasse,
rice
husk,
tea
waste,
coconut
shell,
peanut
lotus
stem,
hemp
fiber
show
promise
raw
materials
graphene
synthesis.
Life
cycle
assessments
beyond
greenhouse
gas
emissions
efficiency,
along
with
calibrated
evaluation
techniques
techno‐economic
analyses,
are
essential
meaningful
sustainability
comparisons.
rapid
expansion
bioenergy
sector
underscores
need
responsible
management
evaluations.
This
article
emphasizes
potential
waste‐derived
a
sustainable
efficient
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(9)
Published: March 3, 2024
Abstract
Carbon
materials
have
become
a
focal
point
in
supercapacitors
(SCs)
due
to
their
perfect
charge–discharge
behavior,
relatively
low
cost,
and
excellent
electrochemical
stability,
but
the
limited
activity
restricts
further
development.
MXenes
(Ti
3
C
2
T
x
)
combine
high
electrical
conductivity,
hydrophilicity,
abundance
surface
functional
groups,
which
contribute
energy
density
when
compounded
with
carbon
materials.
In
this
work,
material
derived
from
mineral
water
bottles
is
modified
cetyltrimethylammonium
bromide
(CTAB)
that
spontaneously
forms
into
porous
heterogeneous
structures
Ti
under
electrostatic
interactions.
The
hinders
reaggregation
of
,
while
increases
on
material.
A
hierarchical
large
specific
area
1754.3
m
g
−1
promoting
electrolyte
migration
kinetics
capacitance
6
KOH
(404.1
F
at
1
).
symmetric
SC
made
as‐prepared
electrode
shows
an
extended
voltage
window
(1.8
V),
optimal
(31.19
Wh
kg
power
450
W
decay
(1%
after
15
000
cycles)
1.5
Na
SO
4
.
preparation
unique
structure
provides
practical
innovative
strategy
for
value‐added
utilization
waste
plastics.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(41), P. 6187 - 6190
Published: Jan. 1, 2023
Herein,
layered
porous
nitrogen-doped
carbon
sheets
(LPNCS)
prepared
from
waste
plastics
are
employed
as
an
electrocatalytic
carrier
for
the
HER
under
alkaline
conditions.
The
N-doped
coral-like
nanostructure
with
abundant
meso-
and
macropores
would
shorten
proton
diffusion
pathway,
reduce
mass
transfer
resistance
promote
Ru
dispersion.
Ru/LPNCS
shows
excellent
performance
overpotential
of
15
mV
at
10
mA
cm-2,
even
lower
than
that
most
reported
Ru-based
catalysts
commercial
Pt/C
catalyst
(17
mV),
which
provides
a
potential
application
converting
into
highly
efficient
catalysts.
