Preparative Biochemistry & Biotechnology,
Год журнала:
2025,
Номер
unknown, С. 1 - 10
Опубликована: Май 23, 2025
In
this
study,
active
carbons
were
obtained
by
carbonizing
waste
laurel
fruit
seeds
at
500
°C
for
1
hour.
The
surface
area
of
the
activated
carbon
using
ZnCl2
activator
was
determined
as
873.93
m2/g
while
without
1.52
m2/g.
Furthermore,
in
order
to
obtain
epoxy
composites
with
improved
mechanical
and
thermal
properties,
added
filler
rates
0%,
5%
10%
bio-based
obtained.
Epoxy
produced
a
mold
prepared
according
ASTM
D638
TYPE
I
standard.
Thermal
tensile
properties
filled
unfilled
investigated.
LOI
values
NE,
N5,
N10,
A5
A10
23.48,
24.28,
25.32,
26.55
27.06,
respectively.
Surface
hardness
strength
containing
found
be
higher
than
pure
composite.
test
results
follows:
elongation
percentages
break
5.37%,
1.80%,
11.59%,
2.21%
1.61%
stress
19.12,
11.52,
13.63,
16.45
20.33
N/mm2.
ABSTRACT
Biomass‐derived
carbons
are
eco‐friendly
and
sustainable
materials,
making
them
ideal
for
supercapacitors
due
to
their
high
surface
area,
excellent
conductivity,
cost‐effectiveness,
environmental
benefits.
This
review
provides
valuable
insights
into
biomass‐derived
carbon
modified
supercapacitors,
integrating
both
experimental
results
theoretical
calculations.
begins
by
discussing
the
origins
of
in
including
plant‐based,
food
waste‐derived,
animal‐origin,
microorganism‐generated
sources.
Then,
this
presents
strategies
improve
performance
heteroatom
doping,
functionalization,
hybrid
composite
construction.
Furthermore,
analyzes
functions
its
pure
form
as
materials.
The
also
explores
composites
derived
from
biomass‐based
carbon,
carbon/MXenes,
carbon/MOFs,
carbon/graphene,
carbon/conductive
polymers,
carbon/transition
metal
oxides,
carbon/hydroxides,
providing
a
thorough
investigation.
Most
importantly,
offers
an
innovative
summary
analysis
role
through
calculations,
concentrating
on
four
key
aspects:
energy
band
structure,
density
states,
electron
cloud
density,
adsorption
energy.
Finally,
concludes
future
research
directions
biomass
carbon‐based
discovery
novel
tailoring
functional
groups,
fabricating
high‐performance
exploring
ion
transfer
mechanisms,
enhancing
practical
applications.
In
summary,
exploration
sources,
functions,
mechanisms
research.
Energy & Fuels,
Год журнала:
2024,
Номер
38(12), С. 11240 - 11252
Опубликована: Июнь 3, 2024
The
growing
demands
for
environmental
and
energy
sustainability
drive
the
development
of
storage
devices
with
high
power
densities
and,
consequently,
potential
electrode
materials.
conversion
biomass
waste
into
sustainable
materials
has
attracted
much
attention
in
scientific
community
applications.
In
this
work,
porous
carbon
is
derived
from
agricultural
biowaste
coconut
tree
(Cocos
nucifera)
husk.
This
activated
through
a
chemical
activation
method
using
different
activating
agents,
such
as
K2CO3,
KOH,
KMnO4,
KCl,
KBr,
KI.
Among
samples,
biomass-derived
KMnO4
agent
(AC3)
delivers
specific
surface
area
2333.4
m2
g–1
pore
volume
2.625
cm3
g–1,
which
results
excellent
electrochemical
performance,
gravimetric
capacitance
560
F
at
2
A
current
density
M
KOH
electrolyte
solution.
To
demonstrate
real-time
application,
symmetric
aqueous
(KOH)
gel
[poly(vinyl
alcohol)-PVA/KOH]
are
fabricated
AC3@graphite
sheet
positive
negative
electrodes.
device
achieves
276
g–1.
above
manifests
an
38.3
Wh
kg–1
1
kW
kg–1.
Besides,
cycle
stability
retains
98%
even
after
5000
cycles
10
density.
These
superior
outcomes
suggest
that
will
have
electric
double-layer
supercapacitors.
