Nanoscale,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
The
use
of
walnut
shells
for
energy
storage
offers
a
sustainable,
innovative
approach,
enhancing
density
and
cost
efficiency.
While
it
presents
environmental
benefits,
challenges
remain
in
scalability
optimization.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 13, 2024
Due
to
their
low
production
cost,
sodium-ion
batteries
(SIBs)
are
considered
attractive
alternatives
lithium-ion
(LIBs)
for
next
generation
sustainable
and
large-scale
energy
storage
systems.
However,
during
the
charge/discharge
cycle,
a
large
volume
strain
is
resulted
due
presence
of
radius
sodium
ions
high
molar
compared
lithium
ions,
which
further
leads
poor
cyclic
stability
lower
reversible
capacity.
In
past,
researchers
have
devoted
significant
efforts
explore
various
anode
materials
achieve
SIBs
with
density.
Hence,
as
promising
material
SIBs,
two-dimensional
(2D)
including
graphene
its
derivatives
metal
oxides
attracted
remarkable
attention
layered
structure
superior
physical
chemical
properties.
The
inclusion
other
nanomaterials
in
electrodes
led
enhancements
electrical
conductivity,
reaction
kinetics,
capacity,
rate
performance
accommodating
change
respectively.
Moreover,
these
2D
facilitated
surface
areas
shorter
paths
ion
adsorption
transportation
this
review
article,
fabrication
techniques,
structural
configuration,
mechanism
electrochemical
performances
will
be
introduced.
Subsequently,
an
insight
into
recent
advancements
associated
(graphene,
oxide
(GO),
transition
etc.)
graphene-like
elementary
analogues
(germanene,
stanine
respectively
discussed.
Finally,
key
challenges
future
perspectives
towards
enhancing
graphene-based
electrode
summary,
we
believe
that
shed
light
on
path
achieving
long-cycling
life,
operation
cost
safe
density
using
suitably
commercialized
applications
future.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Cyclic
voltammetry
(CV)
is
a
standard
method
for
assessing
electrochemical
properties
in
the
cells,
typically
conventional
aqueous
contexts
like
1
m
solutions
("salt-in-water").
However,
recent
advancements
have
extended
electrochemistry
into
superconcentrated
regimes,
such
as
"water-in-salt"
with
concentrations
above
10
to
20
m,
which
require
large
amounts
of
salt
experiments.
To
address
this,
machine
learning
(ML)
has
been
applied,
coupled
in-house
data
collection
using
lithium
bis(trifluoromethanesulfonyl)imide
(LiTFSI)
electrolytes.
This
work
demonstrates
YEC-8B
LiTFSI,
given
their
broad
potential
window
up
3.0
V
across
from
m.
The
CV
profiles
were
divided
two
models:
upper
curve
charging
and
lower
discharging.
Data
normalized
segmented
by
percentiles,
decision
tree
model
was
developed
predict
outputs
based
on
input
parameters
LiTFSI
concentration,
scan
rates,
window.
predicted
nine
target
variables
mean
absolute
percentage
error
approximately
2%
both
profile
curves.
Trapezoidal
rule
then
used
calculate
system's
capacitance.
Additionally,
tests
showed
75%
accuracy
predicting
suitable
rate.
Overall,
effectively
demonstrated
relationship
between
electrolytes
an
context
simple
algorithm,
continues
expand
integration
science
electrochemistry.
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
This
work
uses
a
solution‐based
and
scalable
method
to
provide
freestanding
single‐walled
carbon
nanotube
(SWCNT)/S
cathode
in
both
LiS
NaS
batteries.
SWCNTs
with
high
conductivity
surface
area
can
enhance
the
flexibility.
The
incorporation
of
oxygen
sulfur
bonds
active
redox
sites
for
chemical
adsorption.
Sulfur
effectively
hinder
shuttle
effect
by
improving
interactions
between
polysulfides
nonpolar
framework,
leading
improved
cyclability
cells.
cycling
stability
plots
batteries
SWCNT/S
as
are
investigated
150
cycles
at
current
density
1000
mA
g
−1
.
Both
cells
display
stable
capacity
behavior
during
cycling.
discharge
cell
is
retained
978.2
mAh
while
only
shows
retention
769.4
after
cycles.
Coulombic
efficiencies
≈94%
90%
observed
respectively.
Therefore,
hinders
polysulfide
shuttle,
providing
electrolyte
diffusion,
resulting
material
reutilization
minimized
fading.
Freestanding
over
long‐term
proved
be
promising