Journal of Applied Polymer Science,
Год журнала:
2023,
Номер
141(2)
Опубликована: Окт. 18, 2023
Abstract
Conductive
hydrogels
can
be
utilized
in
the
field
of
flexible
supercapacitors
due
to
their
stretchable
properties
and
high
ionic
conductivity.
However,
many
conductive
lose
stretchability
conductivity
at
subzero
temperatures.
Herein,
a
novel
Janus
POSS‐based
hydrogel
electrolyte
that
shows
excellent
flexibility
low
temperatures
is
designed
prepared
by
copolymerization
acrylamide
water‐soluble
Janus‐type
polyhedral
oligomeric
silsesquioxane
(AS‐POSS)
containing
sodium
sulfonate
groups
double
bonding
groups.
The
AS‐POSS
LiCl
endow
with
anti‐freezing
ability.
Simultaneously,
enable
successful
POSS
crosslinking
polymer
network,
resulting
highly
(1445%)
(0.067
S
cm
−1
)
−20°C.
Thereafter,
all‐in‐one
supercapacitor
in‐situ
polymerization
aniline.
Based
on
exceptional
electrolyte,
exhibits
stable
electrochemical
performance
(>90%
capacitance
retained
under
deformation
−20°C)
cycling
stability
(only
19.7%
decay
over
2000
charge/discharge
cycles
expected
promising
gel
for
an
resists
freezing.
Nano Materials Science,
Год журнала:
2024,
Номер
6(4), С. 484 - 494
Опубликована: Янв. 12, 2024
A
feasible
approach
to
rectify
the
world's
energy
demand
using
sustainable
development
of
adequate
generation
and
storage
technologies
in
a
single
channel.
In
this
respect,
we
made
holistic
with
bi-functional
electrode
material
perform
effectively
applications.
MoS2
nanosheets
were
produced
by
eco-friendly
method
reduced
graphene
oxide
is
used
prepared
carbon
soot
which
derived
from
castor
oil.
The
rGO
combined
simple
sonication
method.
as-prepared
sample
was
introduced
supercapacitor
DSSC
application.
combination
MoS2@rGO
provides
an
enhanced
conversion
efficiency
11.81
%
reproducibility
also
studied.
Further,
fabricate
asymmetric
investigate
its
real-time
device
maximum
power
density
(1666.6
mW/kg)
(25.69
mWh/Kg)
at
1
A/g.
holds
cyclic
stability
81.4
%
for
5000
cycles
it
powered
up
LED
4
min.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(20), С. 11920 - 11935
Опубликована: Янв. 1, 2024
A
novel
strategy
is
developed
for
the
preparation
of
chitosan-derived
ant-nest-like
hierarchical
porous
carbons
(AH-PCs),
which
exhibit
excellent
electrochemical
performances
both
supercapacitors
and
zinc-ion
hybrid
capacitors.
Polysaccharides,
Год журнала:
2025,
Номер
6(1), С. 5 - 5
Опубликована: Янв. 13, 2025
Polysaccharides
offer
a
perfect
option
as
raw
materials
for
the
development
of
new
generation
sustainable
batteries
and
supercapacitors.
This
is
due
to
their
abundance
inherent
structural
characteristics.
can
be
chemically
functionalized
engineered,
offering
wide
range
possibilities
electrode
(as
precursors
porous
nanocarbons),
binders
separators.
Their
hierarchical
morphology
also
enables
exploitation
aerogel
hydrogel
structures
quasi-solid
solid
polymer
electrolytes
with
high
conductivity
voltage
stability
windows.
In
this
review,
we
discuss
how
different
polysaccharides,
such
lignocellulosic
biomass,
starch,
chitosan,
natural
gums,
sugars
marine
applied
in
components
energy
storage
systems
(ESSs).
An
overview
recent
research
work
adhering
each
functionality
polysaccharides
various
provided.
Abstract
Supercapacitors
(SCs)
have
emerged
as
critical
components
in
applications
ranging
from
transport
to
wearable
electronics
due
their
rapid
charge‐discharge
cycles,
high
power
density,
and
reliability.
This
review
offers
an
analysis
of
recent
strides
supercapacitor
research,
emphasizing
pivotal
developments
sustainability,
electrode
materials,
electrolytes,
′smart
SCs′
designed
for
modern
microelectronics
with
attributes
such
flexibility,
stretchability,
biocompatibility.
Central
this
discourse
are
two
dominant
materials:
carbon
materials
(CMs),
primarily
electric
double
layer
capacitors
(EDLCs),
pseudocapacitive
involving
oxides/hydroxides,
chalcogenides,
metal‐organic
frameworks,
conductive
polymers
metal
nitrides
MXene.
Despite
EDLCs′
historical
use,
challenges
low
energy
density
persist,
heteroatom
introduction
into
the
lattice
seen
a
solution.
Concurrently,
dominate
studies,
efficiency
enhancement
strategies,
creation
hybrids
based
on
different
types
surface
structural
engineering
doping,
under
exploration.
Electrolyte
innovation,
especially
shift
towards
gel
polymer
electrolytes
flexible
SCs,
harmonization
SC
designs
highlighted.
Emphasis
is
given
smart
SCs
novel
self‐charging,
self‐healing,
biocompatibility,
environmentally
conscious
designs.
In
summary,
article
underscores
drive
sustainable
research
achieve
steering
that
efficient
versatile
bioderived/biocompatible
materials.
brief
selected
references,
offering
depth
combined
accessible
overview
landscape.
Journal of Materiomics,
Год журнала:
2024,
Номер
10(6), С. 1222 - 1233
Опубликована: Янв. 23, 2024
Ionic
gel
electrolytes
(IGEs)
are
emerging
as
promising
components
for
the
development
of
next-generation
supercapacitors,
offering
benefits
in
terms
safety,
cost-effectiveness,
and
flexibility.
The
ionic
conductivity,
stability
mechanical
properties
electrolyte
important
factors
to
be
considered
key
improving
performance
supercapacitor.
However,
structure-activity
relationship
between
internal
structure
gels
supercapacitor
is
not
fully
understood.
Herein,
intuitive
regular
was
revealed
by
combining
computational
simulation
experiment.
In
liquid
([EMIM][TFSI])
has
a
high
self-diffusion
coefficient
calculated
molecular
dynamics
(MDS),
which
conducive
transfer
then
improves
conductivity.
radial
distribution
function
(RDF)
MDS
shows
that
larger
g(r)
particles
polymer
network,
stronger
interaction.
For
stability,
based
on
[EMIM][TFSI]
[EOMIM][TFSI]
liquids
have
higher
density
functional
theory
(DFT)
binding
energy,
reflected
excellent
thermal
capacitor
cycle
stability.
Based
pore
size
stress-strain
characterization
network
([ME3MePy][TFSI]
[BMIM][TFSI]
additive),
highly
crosslinked
aggregates
significantly
reduces
mesoporous
plays
leading
role
network.
By
using
this
strategy,
it
will
possible
design
ideal
achieve
an
performance.
Optical and Quantum Electronics,
Год журнала:
2024,
Номер
56(3)
Опубликована: Янв. 27, 2024
Abstract
Chitosan
is
a
natural
biopolymer
that
classified
among
the
most
important
biodegradable
polysaccharides
widely
used
in
different
environmental
and
industrial
applications,
such
as
tissue
engineering,
biomedical
devices,
electronics
supercapacitors,
water
filtration,
food
packaging.
Theoretical
infrared
spectra
of
chitosan
were
computed
using
both
Hartree–Fock
(HF)
Density
Functional
Theory
(DFT)
methods,
with
basis
sets,
including
3-21g,
6-31g,
6-311g,
LANL2DZ,
LANL2MB,
to
identify
ideal
set
closest
experimental
results.
DFT:B3LYP/3-21g**
was
best
model
for
investigate
its
functionalization
various
functional
groups
(OH,
NH
2
,
COOH,
CH
3
CHO,
CN,
SH)
graphene
oxide
(GO).
Molecular
electrostatic
potential,
total
dipole
moment,
HOMO–LUMO
band
gap
(
∆
E)
calculations
indicated
Chitosan-GO
reactive
stable
structure,
E
0.3023
eV.
Consequently,
Chitosan–GO
composite
prepared
analyzed
ATR–FTIR
spectroscopy.
The
revealed
new
at
1620
cm
−1
which
attributed
COOH
group
GO
red-shifted
owing
hydrogen
bonding
between
chitosan,
confirming
synthesis
composite.
significant
improvement
electronic
properties
based
on
obtained
results
promotes
it
be
applications
development
electrodes
supercapacitors.
