Molecules,
Journal Year:
2025,
Volume and Issue:
30(10), P. 2092 - 2092
Published: May 8, 2025
Sodium
metal
is
a
promising
anode
material
for
sodium
batteries
(SMBs)
due
to
its
high
theoretical
specific
capacity
and
low
electrochemical
potential.
However,
practical
implementation
severely
limited
by
dendrite
formation,
which
causes
short
circuits
safety
issues.
Here,
we
introduce
separator
modification
strategy
using
Ag
nanoparticles
decorated
with
two-dimensional
diamane
on
commercial
polypropylene
(PP)
substrate
(Ag-diamane/PP)
enhance
the
performance
of
anodes
(SMAs).
The
synergistic
effect
between
sodiophilic
network
not
only
accelerates
Na⁺
transport
through
modified
but
also
reduces
interfacial
resistance.
This
dendrite-suppression
was
systematically
validated
in
situ
optical
microscopy
ex
scanning
electron
microscopy.
Symmetric
Na||Na
cells
incorporating
Ag-diamane/PP
exhibit
exceptional
cycling
stability,
maintaining
more
than
3800
h
operation
at
2
mA
cm−2
1
mAh
cm−2.
Furthermore,
full-cell
configuration
Na3V2(PO4)3@C
cathode,
separator,
Na
delivers
reversible
94.35
g−1
stable
270
cycles.
work
highlights
as
solution
advancing
dendrite-free
SMBs
long-term
stability
energy
density.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(42), P. 57064 - 57073
Published: Oct. 9, 2024
Development
of
room-temperature
sodium–sulfur
(RT
Na–S)
batteries
with
satisfactory
cycling
life
and
rate
capability
remains
challenging
due
to
the
unfavorable
electric
conductivity
from
S
species,
sluggish
redox
kinetics
conversion,
serious
shuttle
effects
sodium
polysulfides
(NaPSs).
To
address
these
issues,
a
phosphorus
nitrogen
dual-doped
hollow
porous
carbon
sphere
(PN-HPCs)
is
synthesized
as
hosts,
which
enhances
conductivity,
ion
diffusion,
conversion
polysulfides.
Such
hierarchically
structure
beneficial
accommodate
volume
variations
species
shorten
ion/electron
transfer
distances
during
electrochemical
reaction
process.
As
result,
S@PN-HPCs600
cathode
delivers
noticeable
performance
(313
mAh
g–1
after
4500
cycles
at
5.0
C,
capacity
degeneration
only
0.01%
per
cycle)
(646.4
g–[email protected]
527.5
g–[email protected]
C).
This
work
presents
an
efficient
strategy
based
on
structural
confinement
dual-heteroatom
doping
engineering
for
long-life
RT
Na–S
batteries.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
Abstract
The
sluggish
conversion
kinetics
and
uneven
deposition
of
sodium
sulfide
(Na
2
S)
pose
significant
obstacles
to
the
practical
implementation
room
temperature
sodium–sulfur
(RT
Na─S)
batteries.
To
tackle
these
challenges,
herein,
a
cathode
host
(Co‐NMCN)
that
enables
rapid
polysulfides
delicate
Na
S
nucleation
is
developed
via
integrating
Co
nanoparticles
into
N‐doping
multilayer
carbon
network.
freestanding
network
expedites
electronic
transport
relives
electrode
expansion,
while
perform
strong
chemical
adsorption
with
soluble
polysulfide
(NaPSs)
Co─S
bonds
exhibit
remarkable
electrocatalytic
effect
on
multi‐electron
NaPSs.
Density
functional
theory
(DFT)
calculations
reveal
low
energy
barrier
for
NaPSs
diffusion
Na₂S
oxidation,
which
facilitates
uniform
across
scaffold
in
controlled
3D
process.
This
effectively
mitigates
formation
irreversible
by‐products
prevents
electrocatalyst
passivation,
thus
enhancing
overall
reaction
efficiency.
As
result,
as‐prepared
S@Co‐NMCN
delivers
an
impressive
reversible
capacity
934.2
mA
h
g
−1
at
0.5C
maintains
decay
rate
0.064%
per
cycle
over
800
cycles
0.5C.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Room-temperature
sodium–sulfur
(RT
Na–S)
batteries
can
allow
an
ultrahigh
specific
capacity
and
a
high
energy
density
but
unfortunately
suffer
from
lot
of
intractable
challenges
sulfur
cathodes.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(4), P. 883 - 883
Published: Feb. 14, 2025
The
ever-increasing
global
energy
demand
necessitates
the
development
of
efficient,
sustainable,
and
high-performance
storage
systems.
Nanotechnology,
through
manipulation
materials
at
nanoscale,
offers
significant
potential
for
enhancing
performance
devices
due
to
unique
properties
such
as
increased
surface
area
improved
conductivity.
This
review
paper
investigates
crucial
role
nanotechnology
in
advancing
technologies,
with
a
specific
focus
on
capacitors
batteries,
including
lithium-ion,
sodium-sulfur,
redox
flow.
We
explore
diverse
applications
nanomaterials
encompassing
electrode
(e.g.,
carbon
nanotubes,
metal
oxides),
electrolytes,
separators.
To
address
challenges
like
interfacial
side
reactions,
advanced
nanostructured
are
being
developed.
also
delve
into
various
manufacturing
methods
nanomaterials,
top-down
ball
milling),
bottom-up
chemical
vapor
deposition),
hybrid
approaches,
highlighting
their
scalability
considerations.
While
cost-effectiveness
environmental
concerns
persist,
outlook
remains
promising,
emerging
trends
solid-state
batteries
integration
artificial
intelligence
optimized
storage.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
The
increasing
demand
for
efficient,
cost‐effective
energy
storage
systems
has
spurred
research
into
alternatives
to
lithium‐ion
batteries.
Among
these
alternatives,
aluminum‐sulfur
(Al‐S)
batteries
have
become
a
promising
option,
demonstrating
noteworthy
advancements
over
the
past
decade.
These
provide
benefits
such
as
high
theoretical
density,
low
cost,
and
improved
safety.
Nonetheless,
certain
fundamental
electrochemical
challenges,
similar
those
encountered
by
other
sulfur‐based
batteries,
persist,
including
slow
reaction
kinetics,
significant
polysulfide
shuttling,
uncontrollable
dendrite
growth
on
anode.
Herein,
this
review
offers
comprehensive
overview
of
recent
related
critical
challenges
optimization
strategies
rechargeable
Al‐S
It
begins
outlining
development
history
present
in
current
systems.
Next,
efficient
aimed
at
enhancing
are
summarized
focusing
optimizing
each
battery
component,
cathode,
anode,
electrolyte,
separator.
Detailed
examinations
include
structural
features,
performance,
structure‐property
correlations,
enhancement
mechanisms
key
breakthroughs.
Finally,
potential
opportunities
explored
future
This
aims
insightful
guidance
rational
design
high‐performance
accelerate
their
practical
large‐scale
applications.
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
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Abstract
Room‐temperature
sodium─sulfur
(RT/Na─S)
batteries,
with
a
theoretical
capacity
of
1672
mAh
g⁻
1
,
face
challenges
such
as
the
insulating
nature
sulfur
and
slow
redox
kinetics,
particularly
during
complex
liquid–solid
(Na
2
S
4
→Na
)
solid–solid
S)
conversions.
Herein,
vanadium‐cobalt
(VCo)
diatomic
sites
implanted
in
vacancy‐rich
N‐doped
MXene
(VCo
DACs/N‐MXene)
are
introduced
to
address
these
issues.
The
N‐bridged
VCo
pairs
demonstrated
their
strong
electronic
interactions
also
validated
through
experimental
analyses.
RT/Na─S
battery
optimized
DACs/N‐MXene
delivers
an
average
1255.3
at
0.1
C
remarkable
cycling
stability,
only
≈0.001%
decay
per
cycle
over
1500
cycles
C.
DFT
calculations
reveal
that
enhance
reaction
kinetics
by
reducing
Gibbs
free
energy
for
polysulfide
conversions,
notably
conversion
barriers
from
1.17/0.96
eV
V/Co
SACs/N‐MXene
0.53
DACs/N‐MXene.
XANES
analyses
attribute
this
improvement
unique
electron
spillover
effect,
facilitating
efficient
transport
charge
discharge.
This
work
highlights
potential
optimizing
configurations
coordinating
environments
activate
bidirectional
improved
longevity
batteries.
