Energy Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
The
unique
geometry
of
carbon
nanotubes
(CNTs)
contributes
to
their
excellent
rate
capability
when
used
as
electrode
materials
for
supercapacitors
(SCs).
However,
the
practical
application
low‐cost
commercial
CNTs
is
limited
by
moderate
specific
capacitance
due
relatively
low
surface
area
which
around
220
m
2
g
−1
.
This
limitation
can
be
addressed
applying
proper
compressive
stress
CNTs,
resulting
in
improved
capacitance.
effects
compression
on
vary
depending
length
and
inner
diameter
have
been
systematically
investigated.
It
has
found
that
longer
narrower
exhibit
more
significant
improvements
compression.
Specifically,
under
12
MPa,
there
an
≈135%
increase
compared
1
with
optimum
value
68.2
F
at
A
An
93.5%
40
also
obtained
Furthermore,
light
emitting
diode
powered
a
compressed
CNT‐based
SC,
both
brightness
lasting
time
are
dramatically
enhanced
case
without
cost‐efficient
strategy
improving
energy
storage
performance
may
facilitate
ultrafast
supercapacitors.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(4), P. 309 - 309
Published: Feb. 18, 2025
The
conversion
of
industrial
waste
lignin
into
sustainable
carbon
materials
is
an
essential
step
towards
reducing
dependency
on
fossil
fuels
and
mitigating
environmental
impacts.
This
review
explores
various
aspects
utilization,
with
particular
focus
the
extraction
application
lignin-derived
in
energy
storge
applications.
advanced
chemical
methods
to
improve
efficiency
biomass
conversion,
detailing
emerging
technologies
for
from
biomasses
using
innovative
solvents
techniques,
such
as
Ionic
Liquids
Deep
Eutectic
Solvents
(DESs).
Additionally,
it
discusses
parameters
that
impact
hydrothermal
carbonization
(HTC)
process.
produced
hydrochar
shows
potential
use
optimized
precursors
storage
also
considers
implications
these
sustainability
circular
economy,
suggesting
future
research
directions
enhance
scale
processes
global
impact.
comprehensive
analysis
highlights
critical
role
achieving
outlines
pathways
lignin-based
innovations.
