Abstract
Manufacturing
high‐performance
and
cost‐affordable
non‐metallic,
electroactive
1D
carbon
material
for
energy
storage
hydrogen
evolution
reaction
(HER)
is
of
foremost
importance
to
respond
positively
the
impending
crisis.
Porous
N‐doped
nanofiber
(PNCNF)
successfully
synthesized
by
electrospinning,
using
selenium
nanoparticles
as
a
sacrificial
template
(where
Se
reutilized
ZIF‐67
selenization
bi‐process,
surface
PNCNF
modified
with
poly(3,4‐ethylenedioxythiophene)
(PNCNT/PEDOT)
electropolymerization.
The
prepared
materials
are
found
ideal
(supercapacitor)
electrocatalysis
(HER).
bi‐functional
has
shown
excellent
capability
specific
capacitance
(C
S
)
230
F
g
−1
395
(PNCNF/PEDOT),
symmetric
supercapacitor
device,
PNCNF/PEDOT//PEDOT/PNCNF,
exhibits
32.4
Wh
kg
density
at
14400
W
power
96.6%
Coulombic
efficiency
106%
C
end
5000
charge–discharge
cycles.
rate
cell
PNCNF/PEDOT
51%
current
increase
from
1
8
A
,
while
that
meager
29%
only.
Electrocatalytic
HER
electrode
achieved
an
overpotential
281
mV@10
mA
cm
−2
relative
Pt/C
low
Tafel
slop
value
96
mV
dec
.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(17), С. 10137 - 10147
Опубликована: Янв. 1, 2024
Interfacial
polymerization
of
3,4-ethylenedioxythiophene
(EDOT)
on
V
2
O
5
nanowires
generates
the
@PEDOT
core-sheath
structure,
which
enhances
conductivity,
suppresses
electrode
dissolution,
and
stabilizes
for
zinc
ion
storage.
Polymers,
Год журнала:
2023,
Номер
15(3), С. 571 - 571
Опубликована: Янв. 22, 2023
Hydrogel
electrolytes
for
energy
storage
devices
have
made
great
progress,
yet
they
present
a
major
challenge
in
the
assembly
of
flexible
supercapacitors
with
high
ionic
conductivity
and
self-healing
properties.
Herein,
smart
hydrogel
electrolyte
based
on
alginate/poly
(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(alginate/PEDOT:PSS)(A/P:P)
was
prepared,
wherein
H2SO4
employed
as
polymeric
initiator,
well
source
ions.
PEDOT:PSS
is
semi-interpenetrating
network
(IPN)
that
has
been
used
recent
studies
to
exhibit
quick
properties
H₂SO₃
additive,
which
further
improves
its
mechanical
strength
performance.
A
moderate
amount
(5
mL)
found
significantly
improve
compared
pure
alginate.
Interestingly,
alginate/PEDOT:PSS
composite
exhibited
an
excellent
ability
self-heal
repair
original
composition
within
10
min
cutting.
Furthermore,
graphite
conductive
substrate-based
supercapacitor
provided
specific
capacitance
356
F
g−1
at
100
mV/s
g−1.
The
results
demonstrate
A/P:P
ratio
5
mL
had
base
sheet
resistance
0.9
Ω/square.
This
work
provides
new
strategy
designing
hydrogels
application
wearable
electronics.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 23, 2024
Abstract
The
development
of
commercially
viable
composite
conducting
polymer
electrodes
for
energy
storage
is
limited
by
the
requirement
multiple
and
complex
fabrication
steps,
low
density,
poor
cycling
stability.
In
this
work,
a
straightforward,
economical,
single‐step
method
developed
creating
densely
packed
nanostructured
PEDOT/graphene
material
demonstrating
its
application
as
an
electrode
supercapacitors.
achieved
highest
mass
loading
reported
so
far
in
literature
vapor
phase
polymerized
PEDOT/rGO
using
aqueous
FeCl
3
(25.2
mg
cm
−2
),
displayed
ultrahigh
areal
capacitance
4628.3
mF
at
0.5
mA
.
symmetric
two‐electrode
setup
density
169.3
µWh
70%
retention
after
70
000
cycles,
showcasing
exceptional
performance
durability.
Advanced Materials Interfaces,
Год журнала:
2024,
Номер
11(20)
Опубликована: Май 29, 2024
Abstract
Carbon
cloth
shows
potential
for
flexible
energy
storage
electrodes
but
encounters
challenges
such
as
low
specific
capacitance
and
limited
wettability.
This
study
addresses
these
limitations
by
fabricating
a
highly
conformal
coating
of
poly(3,4‐ethylenedioxythiophene)
(PEDOT)
around
3D
carbon
fibers
via
the
oxidative
chemical
vapor
deposition
(oCVD)
method,
employing
antimony
pentachloride
(SbCl
5
)
oxidant.
The
oCVD
stands
out
robust
manufacturing
technique
conducting
polymer
films
on
porous
structures,
ensuring
preservation
geometric
features
maintenance
active
sites
redox
reactions.
resulting
PEDOT‐coated
exhibit
improved
pseudocapacitance
compared
to
their
pristine
counterparts.
Particularly,
fabricated
at
various
temperatures
substantial
1.5‐
2.3‐fold
enhancement
in
cloth.
highest
(170.94
F
g⁻¹)
is
attained
temperature
80
°C,
representing
over
its
counterpart.
cloths
demonstrate
lower
charge
transfer
resistance
counterparts,
further
confirming
superior
electrochemical
performance.
investigation
highlights
oCVD's
effectiveness
PEDOT
devices.
Journal of Energy Storage,
Год журнала:
2024,
Номер
96, С. 112605 - 112605
Опубликована: Июнь 28, 2024
Electrochemical
energy
storage
(EES)
devices
are
much
needed
due
to
their
improved
reliability
and
sustainability.
As
a
class
of
EES,
supercapacitors
(SCs)
have
exhibited
relatively
more
advantages,
including
high
power
density,
longer
cycle
life,
rapid
charge-discharge
speed,
efficiency.
Carbon
materials
the
electrodes
most
significant
concern
in
high-performance
SCs.
Among
carbon
materials,
electrospun-derived
nanofibers
(CNFs)
composites
interest
scalable
preparative
process,
specific
surface
area
(SSA),
porosity,
apt
construct
essentially
conducting
self-standing
for
EES
leading
electrochemical
performance
capacitance.
Conducting
polymers
(CPs)-based
can
be
used
as
SCs'
versatility,
supreme
conductivity,
redox
property,
inherent
elasticity,
low
cost,
facile
production.
This
review
aims
provide
precise
overview
recent
trends
CPs,
especially
concentrating
on
polyaniline
(PANI),
polythiophene
(PTh),
polypyrrole
(PPy),
poly
(3,4-ethylene
dioxythiophene)
(PEDOT)
based
electrospun
CNFs
composite
potential
flexible
The
systematically
addresses
synthesis
techniques,
design
concepts,
progress,
challenges,
future
perspectives
developing
binder-free,
CPs-derived
CNFs/composites-based
constructing
