Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(4)
Published: April 1, 2025
ABSTRACT
In
our
research,
we
have
introduced
an
innovative
approach
to
preparing
a
composite
material
for
tungsten
diselenide
(WSe
2
)
with
polyvinyl
pyrrolidone
(PVP),
demonstrating
improvement
in
the
performance
of
electrochemical
applications.
The
interaction
between
WSe
and
PVP
serves
multiple
functions,
such
as
acting
surface
stabilizer,
reducing
agent,
dispersant
nanoparticles,
growth
modifier.
This
significantly
enhances
electrolyte
penetration
improves
efficiency
devices
like
supercapacitors.
Our
investigation
unveils
simple
yet
effective
hydrothermal
method
synthesizing
bare
@PVP
composite.
technique
leads
formation
broad
bean‐shaped
nanoflakes,
which
are
evenly
combined
polymer,
resulting
enlarged
nanoflakes
electrode
coated
Ni
foam.
Also,
composite,
when
tested
M
KOH
electrolyte,
achieves
Cs
393.1
F
g
−1
at
current
density
1
A
.
was
more
than
capacitance
electrode,
demonstrated
233.3
Furthermore,
showed
excellent
rate
capability
impressive
cyclic
stability,
retaining
98%
its
initial
after
5000
cycles.
larger
area
reactions,
faster
electron
ion
transport
routes,
improved
electroactive
sites,
and,
most
importantly,
into
structure
major
reasons
performance.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(13), P. 1775 - 1775
Published: June 23, 2024
Fuel
cell
technology
is
at
the
forefront
of
sustainable
energy
solutions,
and
polyvinyl
alcohol
(PVA)
membranes
play
an
important
role
in
improving
performance.
This
article
thoroughly
investigates
various
varieties
PVA
membranes,
their
production
processes,
numerous
modification
tactics
used
to
solve
inherent
problems.
Various
methods
were
investigated,
including
chemical
changes,
composite
blending,
introduction
nanocomposites.
The
factors
impacting
such
as
proton
conductivity,
thermal
stability,
selectivity,
investigated
provide
comprehensive
knowledge.
By
combining
research
threads,
this
review
aims
completely
investigate
current
state
fuel
applications,
providing
significant
insights
for
both
academic
researchers
industry
practitioners
interested
efficient
conversion
technologies.
transition
from
traditional
materials
Nafion
has
been
prompted
by
limitations
associated
with
former,
complex
synthesis
procedures,
reduced
ionic
conductivity
elevated
temperatures,
prohibitively
high
costs,
which
have
hampered
widespread
adoption.
As
a
result,
modern
efforts
are
increasingly
focused
on
creation
alternative
that
can
compete
conventional
technical
efficacy
economic
viability
context
ACS Physical Chemistry Au,
Journal Year:
2024,
Volume and Issue:
4(2), P. 148 - 159
Published: Jan. 3, 2024
Hydrogen
evolution
reaction
(HER)
rates
are
higher
where
magnetic
gradients
established
at
electrode
surfaces.
In
comparison
of
literature
data
for
metals
with
comparable
work
functions,
we
note
1000×
paramagnetic
than
diamagnetic
metals.
With
unpaired
electron
spins,
and
ferromagnetic
establish
interfacial
gradients.
At
electrodes,
induced
by
addition
magnetized
microparticles.
Onset
hydrogen
γ-Fe
Batteries & Supercaps,
Journal Year:
2023,
Volume and Issue:
6(11)
Published: Sept. 1, 2023
Abstract
Due
to
their
prominent
power
density,
supercapacitors
carve
out
a
niche
among
all
the
energy
storage
systems.
However,
it
is
also
well
known
that
density
of
takes
no
advantage
over
lithium‐ion
batteries,
current
star
device.
Therefore,
substantial
efforts
have
been
paid
improving
not
at
expense
its
density.
To
develop
electrode
with
high
capacitance
direct
and
efficient
way
increase
capability
supercapacitors.
Organics
whose
molecular
structure
can
be
diversely
designed
achieve
pseudocapacitance
arising
from
redox‐active
units
in
backbone
are
good
candidates
as
materials
for
Herein,
this
review
summarizes
recent
progress
organic
pseudocapacitive
storge
mechanisms
based
on
different
functional
groups.
From
aspects
preparation
approaches,
design
resultant
electrochemical
performances,
focus
probe
relationship
between
provide
some
insights
further
development
supercapacitor
electrodes.
Batteries & Supercaps,
Journal Year:
2023,
Volume and Issue:
7(1)
Published: Nov. 22, 2023
Abstract
Supercapacitors
have
emerged
as
a
promising
energy
storage
technology
with
attributes
like
high
power
and
tuneable
density
along
splined
cyclic
potential.
Their
performance
is
heavily
driven
by
the
employed
electrode
materials
that
still
crave
charge
rate
capabilities
well
virile
conductivity.
Among
numerous
applied
strategies
to
patch
corresponding
quandary,
sulfurization
has
garnered
significant
attention
an
effective
method
for
improving
electrochemical
depiction
of
materials.
This
review
article
presents
comprehensive
analysis
process
aim
providing
profound
overview
latest
developments,
impact
sulfur
incorporation
on
properties,
resulting
enhancement
in
supercapacitors.
It
explores
influence
sulfidation
morphological,
structural,
compositional
aspects
materials,
highlighting
modification
surface
area,
pore
size
distribution,
crystal
structure,
formation
active
sites.
The
discussions
improved
specific
capacitance,
enhanced
capability,
prolonged
cycle
life,
upgraded
achieved
are
accumulated.
Additionally,
challenges
limitations
associated
mitigate
trials
future
directions
research
developments.
