Batteries,
Journal Year:
2024,
Volume and Issue:
10(12), P. 447 - 447
Published: Dec. 17, 2024
The
development
of
high
energy
and
power
density
sodium-ion
batteries
(SIBs)
has
attracted
increasing
interest
in
the
last
two
decades
due
to
abundance
cost-effectiveness
sodium
resources.
Herein,
this
study
developed
a
self-templating
synthetic
method
construct
MoSe2
nanosheets
which
were
intercalated
by
ZnSe
nanoparticles
anchored
on
situ
reduced
graphene
oxide
layers.
thus-fabricated
composites
exhibited
excellent
Coulombic
efficiency,
remarkable
rate
capability
an
exceptionally
long
cycle
life
when
being
utilized
as
anode
SIBs.
Specifically,
reversible
capacity
265
mAh
g−1
was
achieved
at
20
A
g−1,
could
be
maintained
for
6400
cycles.
At
ultra-high
30.0
retained
235
after
9500
Such
strong
performance
attributed
its
unique
porous
structure
synergistic
interactions
multi-components.
underlying
storage
mechanism
further
investigated
through
various
techniques
such
X-ray
diffraction
spectroscopy,
galvanostatic
intermittent
titration
method,
etc.
Overall,
illustrates
great
potential
clad-structured
multicomponent
hybrids
developing
high-performance
Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
665, P. 355 - 364
Published: March 16, 2024
Transition
metal
selenides
(TMSs)
stand
out
as
a
promising
anode
material
for
sodium-ion
batteries
(SIBs)
owing
to
their
natural
resources
and
exceptional
sodium
storage
capacity.
Despite
these
advantages,
practical
application
faces
challenges,
such
poor
electronic
conductivity,
sluggish
reaction
kinetics
severe
agglomeration
during
electrochemical
reactions,
hindering
effective
utilization.
Herein,
the
dual-carbon-confined
CoSe2/FeSe2@NC@C
nanocubes
with
heterogeneous
structure
are
synthesized
using
ZIF-67
template
by
ion
exchange,
resorcin-formaldehyde
(RF)
coating,
subsequent
in
situ
carbonization
selenidation.
The
N-doped
porous
carbon
promotes
rapid
electrolyte
penetration
minimizes
of
active
materials
charging
discharging,
while
RF-derived
framework
reduces
cycling
stress
keeps
integrity
structure.
More
importantly,
built-in
electric
field
at
boundary
layer
drives
electron
redistribution,
optimizing
enhancing
material.
Based
on
this,
exhibits
superb
performance,
delivering
high
discharge
capacity
512.6
mA
h
g−1
0.5
A
after
150
cycles
giving
298.2
10
CE
close
100.0
%
even
1000
cycles.
This
study
proposes
viable
method
synthesize
advanced
anodes
SIBs
synergy
effect
interfacial
engineering
confinement
strategy.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(8), P. 6324 - 6341
Published: Jan. 1, 2025
Ball
milling,
as
an
efficient
material
processing
technique,
has
been
widely
applied
in
the
preparation
and
modification
of
sodium-ion
battery
anode
materials
recent
years.
SusMat,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
ABSTRACT
Tin
sulfide
(SnS
2
)
is
a
promising
anode
material
for
sodium/potassium‐ion
batteries
(SIBs/PIBs)
due
to
its
large
interlayer
spacing
and
high
theoretical
capacity.
However,
application
hindered
by
sluggish
kinetics,
volume
expansion,
low
conductivity.
In
this
work,
synergistic
engineering
route
proposed
that
combining
environmentally
friendly
chlorella
with
sulfurized
polyacrylonitrile
(SPAN)
achieve
green
doping
dual‐mode
confinement
SnS
‐based
anode.
The
SPAN
matrix
prevents
agglomeration,
enhances
charge
transfer,
improves
structural
stability,
while
phosphorus
(P)
accelerates
“solid‒solid”
conversion
kinetics.
‒P‒SPAN
demonstrates
outstanding
sodium/potassium
storage
performance
across
wide
temperature
range
(‒40°C
70°C),
delivering
reversible
capacities,
excellent
rate
capability,
exceptional
long‐term
cycling
stability.
reliability
of
the
as‐developed
strategy
in
‒P‒SPAN//NaNi
0.4
Fe
0.2
Mn
O
full
cell
also
verified,
which
shows
strong
practical
potential
capacity
long
durability
(241
mAh
g
−1
/800
cycles/0.5
A
/25°C;
159
/400
/60°C;
105
/‒15°C).
associated
electrochemical
mechanisms
are
elucidated
through
comprehensive
tests,
in/ex
situ
analyses.
calculation
unveil
P‐doping
helps
enhance
adsorption
Na
+
discharge
products.
This
work
may
pave
way
developing
yet
imperfect
electrode
materials
field
energy
storage.
