Journal of Science Advanced Materials and Devices,
Journal Year:
2023,
Volume and Issue:
8(4), P. 100643 - 100643
Published: Nov. 3, 2023
Miniaturization
of
supercapacitor
offers
an
attractive
route
to
the
fabrication
portable
and
wearable
electronic
devices,
but
still
suffer
from
limited
areal
capacitance.
Herein,
we
utilize
a
facile
stamping
approach
fabricate
flexible
paper-based
micro-supercapacitors
with
ternary
composite
containing
polyaniline
(PANI)
as
patterned
interdigital
electrode
materials.
The
composites
are
composed
PANI,
metal-organic
frameworks
derived
porous
carbon
(C800)
low-oxidized
graphene
(LGE).
Benefiting
synergy
C800
LGE,
electrical
conductivity
capacitance
retention
PANI
were
enhanced
obviously.
resultant
displayed
high
162
mF·cm−2,
remarkable
energy
density
24.9
μWh·cm−2,
90
%
over
thousands
charge-discharge
cycles
excellent
stability
against
bending
even
at
large
angles.
3D-Printed
quasi-solid-state
microsupercapacitors
(MSCs)
present
immense
potential
as
next-generation
miniature
energy
storage
devices,
offering
superior
power
density,
excellent
flexibility,
and
feasible
on-chip
integration.
However,
the
challenges
posed
by
formulating
3D
printing
inks
with
high-performance
ensuring
efficient
ionic
transport
in
thick
electrodes
hinder
development
of
advanced
MSCs
high
areal
density.
Herein,
we
report
3D-printed
ultrahigh-energy-density
asymmetric
latticed
electrodes,
fabricated
using
Ni-Co-S/Co(OH)2/carbon
nanotubes/reduced
graphene
oxide
(Ni-Co-S/Co(OH)2/CNTs/rGO)
positive
electrode
ink
activated
carbon
(AC)/CNTs
negative
ink.
The
feature
abundant
hierarchical
pores
an
interconnected
conductive
network
formed
coupling
CNTs
rGO
(or
AC),
enabling
ion
electron
even
electrodes.
three-layer
deliver
impressive
density
543
μWh
cm-2
a
capacitance
1.74
F
at
1
mA
cm-2,
nearly
double
performance
planar
under
identical
conditions.
Furthermore,
device
demonstrates
cycling
stability
(80%
retention
initial
after
5000
cycles).
This
work
advances
field
for
applications
provides
design
principles
developing
integrated
flexible
MSCs.
ACS Applied Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Graphitic
carbon
nitride
(GCN),
a
graphite-like
material
composed
of
aromatic
tri-s-triazine
units,
has
recently
gained
recognition
as
promising
candidate
for
supercapacitor
electrode
applications.
Its
abundant
availability,
metal-free
composition,
high
nitrogen
content,
and
responsiveness
to
environmental
conditions
make
GCN
highly
attractive
energy
storage
solutions.
Despite
this
potential,
challenges
remain
in
optimizing
its
specific
capacity
density.
This
review
stands
out
by
comprehensively
analyzing
various
synthesis
methods
such
hydrothermal,
solvothermal,
sol–gel
techniques
critically
examining
how
these
influence
electrochemical
performance.
A
particular
focus
is
placed
on
identifying
optimal
through
detailed
comparison
their
impact
key
functional
parameters.
differentiates
from
previous
studies'
in-depth
exploration
advanced
strategies
enhance
GCN's
properties.
Specifically,
the
delves
into
innovative
approaches
like
element
doping
hybridization
with
polymers,
metals,
carbon-based
materials,
offering
new
pathways
significantly
boost
performance
electrodes.
These
cutting-edge
have
not
been
systematically
explored
other
reviews,
positioning
article
forward-thinking
contribution
field.
In
addition,
takes
broader,
interdisciplinary
approach
functionality
applications,
water
splitting,
critical
commonalities
between
parameters
applications
those
supercapacitors.
cross-application
analysis,
rarely
addressed
literature,
opens
avenues
development,
suggesting
that
insights
related
fields
can
accelerate
optimization
electrode.
By
emphasizing
combination
metal-based
hybridization,
offers
novel
perspective
advancing
technology.
It
also
addresses
current
provides
practical
recommendations,
making
it
pivotal
resource
future
breakthroughs
Polymers,
Journal Year:
2023,
Volume and Issue:
15(10), P. 2240 - 2240
Published: May 9, 2023
Hydrogels
made
of
cross-linked
polyacrlyamides
(cPAM)
and
conducting
materials
polyanilines
(PANIs)
are
both
the
most
widely
used
in
each
category.
This
is
due
to
their
accessible
monomers,
easy
synthesis
excellent
properties.
Therefore,
combination
these
produces
composites
which
show
enhanced
properties
also
synergy
between
cPAM
(e.g.,
elasticity)
those
PANIs
conductivity).
The
common
way
produce
form
gel
by
radical
polymerization
(usually
redox
initiators)
then
incorporate
into
network
oxidative
anilines.
It
often
claimed
that
product
a
semi-interpenetrated
(s-IPN)
linear
penetrating
network.
However,
there
evidence
nanopores
hydrogel
become
filled
with
nanoparticles,
producing
composite.
On
other
hand,
swelling
true
solutions
macromolecules
renders
s-IPN
different
Technological
applications
have
been
developed,
such
as
photothermal
(PTA)/electromechanical
actuators,
supercapacitors,
movement/pressure
sensors,
etc.
PTA
devices
rely
on
absorption
electromagnetic
radiation
(light,
microwaves,
radiofrequency)
PANIs,
heats
up
composite,
triggering
phase
transition
thermosensitive
cPAM.
polymers
beneficial.
Journal of Science Advanced Materials and Devices,
Journal Year:
2023,
Volume and Issue:
8(4), P. 100643 - 100643
Published: Nov. 3, 2023
Miniaturization
of
supercapacitor
offers
an
attractive
route
to
the
fabrication
portable
and
wearable
electronic
devices,
but
still
suffer
from
limited
areal
capacitance.
Herein,
we
utilize
a
facile
stamping
approach
fabricate
flexible
paper-based
micro-supercapacitors
with
ternary
composite
containing
polyaniline
(PANI)
as
patterned
interdigital
electrode
materials.
The
composites
are
composed
PANI,
metal-organic
frameworks
derived
porous
carbon
(C800)
low-oxidized
graphene
(LGE).
Benefiting
synergy
C800
LGE,
electrical
conductivity
capacitance
retention
PANI
were
enhanced
obviously.
resultant
displayed
high
162
mF·cm−2,
remarkable
energy
density
24.9
μWh·cm−2,
90
%
over
thousands
charge-discharge
cycles
excellent
stability
against
bending
even
at
large
angles.
