2D Materials,
Год журнала:
2025,
Номер
12(2), С. 025014 - 025014
Опубликована: Янв. 29, 2025
Abstract
Graphene
aerogels
have
attracted
considerable
attention
owing
to
their
significantly
higher
electrical
and
thermal
conductivity
compared
with
conventional
materials.
To
further
enhance
the
surface
functionality
of
graphene
aerogels,
we
prepared
three-dimensional
multi-functional
via
hydrothermal
treatment
freeze-drying
using
natural
green
organic
small-molecule
compound
phloretin
oxide.
This
aerogel
has
excellent
electrochemical
properties,
a
specific
capacitance
as
high
433
F
g
−1
(at
current
density
1
A
).
In
addition,
symmetrical
supercapacitors
(SCs)
assembled
this
electrode
material
exhibit
energy
storage
performance
an
13.33
W
h
kg
,
power
399.9
retention
rate
88%
after
10
000
cycles.
Furthermore,
phase
change
pure
paraffin
wax
shows
conversion
efficiency
than
sole
exhibits
good
stability.
Overall,
its
unique
physicochemical
properties
environmental
friendliness,
application
prospects
in
fields
SCs
management.
Materials Technology,
Год журнала:
2024,
Номер
39(1)
Опубликована: Июль 4, 2024
This
paper
studied
the
preparation
method
of
graphene
carbon
nanotube
supercapacitor
electrode
material
for
new
energy
vehicles.
By
analyzing
characteristics
materials
and
nanotubes,
combined
with
working
principle
supercapacitors,
we
designed
an
effective
process
based
on
Hummers
method.
First,
high-quality
was
synthesized
by
chemical
vapour
deposition
characterized
to
confirm
its
structure
properties.
Then,
nanotubes
were
uniformly
dispersed
in
a
matrix
solvothermal
form
graphene-carbon
composite
material.
The
electrochemical
properties
composites
optimized
adjusting
parameters.
experimental
results
showed
that
has
excellent
conductivity,
high
specific
surface
area
good
cycle
stability.
also
shows
rate
performance
long
life,
making
it
ideal
supercapacitors
study
provides
potential
storage
system
2D Materials,
Год журнала:
2025,
Номер
12(2), С. 025014 - 025014
Опубликована: Янв. 29, 2025
Abstract
Graphene
aerogels
have
attracted
considerable
attention
owing
to
their
significantly
higher
electrical
and
thermal
conductivity
compared
with
conventional
materials.
To
further
enhance
the
surface
functionality
of
graphene
aerogels,
we
prepared
three-dimensional
multi-functional
via
hydrothermal
treatment
freeze-drying
using
natural
green
organic
small-molecule
compound
phloretin
oxide.
This
aerogel
has
excellent
electrochemical
properties,
a
specific
capacitance
as
high
433
F
g
−1
(at
current
density
1
A
).
In
addition,
symmetrical
supercapacitors
(SCs)
assembled
this
electrode
material
exhibit
energy
storage
performance
an
13.33
W
h
kg
,
power
399.9
retention
rate
88%
after
10
000
cycles.
Furthermore,
phase
change
pure
paraffin
wax
shows
conversion
efficiency
than
sole
exhibits
good
stability.
Overall,
its
unique
physicochemical
properties
environmental
friendliness,
application
prospects
in
fields
SCs
management.
