Journal of Physics D Applied Physics,
Journal Year:
2024,
Volume and Issue:
57(46), P. 465501 - 465501
Published: Aug. 15, 2024
Abstract
The
combination
of
heteroatoms
self-doping
and
nano-hierarchical-pore
structure
is
essential
in
improving
the
physicochemical
performance
gravi-volumetric
scale
supercapacitors
based
on
biomass-derived
carbon.
Herein,
this
study
used
aromatic
bio-organic
waste
from
nutmeg
leaves
(
Myristica
fragrans
Houtt
)
as
raw
materials
due
to
their
abundant
dopant
high-potential
unique
nano-pore
structure.
A
series
novel
treatments
were
carried
out
using
KOH
immersion
approach
bi-atmospheric
(in
N
2
CO
pyrolysis
ensure
presence
rich
a
defined
pore
results
showed
that
ratio
played
an
important
role
production
self-dopant
N,
O,
P.
In
addition,
significant
morphological
changes
observed
after
process.
optimized
material
prepared
at
500
mmol
g
−1
with
values
19.53%,
15.81%,
3.01%
for
P,
respectively.
surface
transformation
products
nano-hollow-fiber
size
8–12
nm
well-matched
micro-mesopores
(4:1).
2E-symmetric
system,
working
electrode
exhibited
high
gravimetric
capacitance
235
F
1
210
10
H
SO
4
electrolyte).
resulting
energy
output
was
relatively
32.64
Wh
kg
increased
power
density
(218
W
),
coulombic
efficiency
(92.67%),
retention
(89.78%).
findings
also
obtained
had
volumetric
256.30
cm
−3
35.00
l
.
Based
these
results,
selection
natural
well
application
produced
self-doped
P
carbon
boosting
behavior
supercapacitors.
EcoEnergy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
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.
