Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Potassium‐ion
batteries
(PIBs)
using
carbonaceous
anode
materials
have
attracted
a
great
deal
of
research
interest.
However,
the
large
atomic
size
potassium
ions
inevitably
leads
to
huge
volume
expansion
and
collapse
anodes
during
intercalation,
which
greatly
hinders
rate
performance
cycling
life.
In
this
work,
carbon
nanotube‐derived
porous
N‐doped
nanoribbon
(CNR)
bundles
are
designed
as
an
for
PIBs.
These
CNR
in
rich
defects
provide
fast
channels
charge
transport
abundant
active
sites
ion
storage.
The
exhibit
maximum
capacity
441.4
mA
h
g
−1
at
current
density
0.2
A
after
200
cycles
well
highly
reversible
263.6
5.0
even
1000
cycles.
This
work
provides
guidance
structure
design
high‐performance
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
The
reversible
cycling
lifespan
of
zinc‐ion
batteries
is
fundamentally
compromised
by
the
hydrogen
evolution
reaction
(HER)
and
growth
Zn
dendrites
induced
tips
on
2D
zinc
metal
anodes.
Herein,
a
3D
alloy
anode
to
effectively
mitigate
dendrite
HER
through
dual
regulation
interface
presented.
Experimental
results
confirm
that
second
component
with
strong
H
+
adsorption
can
efficiently
inhibit
ads
desorption
diffusion,
thereby
suppressing
HER.
Moreover,
robust
interaction
between
in‐situ
derived
solid
electrolyte
interphase
(SEI)
layer
2+
also
enhances
diffusion
kinetics,
reduces
nucleation
energy
barriers,
achieving
dendrite‐free
deposition
.
as‐prepared
Zn‐W
anodes
achieve
up
2400
h
coulombic
efficiency
99.23%
achieved
in
symmetrical
cells
exceed
200
when
operated
at
depth
discharge
as
high
91.46%.
This
work
provides
simple
effective
approach
toward
enhancing
safety
while
significantly
improving
utilization
efficiency.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Binary
metal
sulfides
hold
significant
promise
as
anode
materials
for
advanced
sodium‐ion
batteries
(SIBs),
but
their
application
is
often
limited
by
rapid
capacity
degradation
and
slow
reaction
kinetics.
While
carbon
composites
are
frequently
used
to
address
these
issues,
the
influence
of
sequence
carbonization
sulfidation
on
performance
has
been
largely
overlooked.
To
bridge
this
gap,
Co‐Sn
synthesized
through
various
processes
examine
impact
synthesis
methods
material
properties.
Among
these,
one‐step
CSS‐C1
exhibits
enhanced
kinetics
excellent
stability.
It
delivers
a
220.4
mAh
g
−1
at
an
ultra‐high
current
density
20
A
maintained
389
over
2300
cycles
10
.
When
assembled
into
full‐cell
devices
(CSS‐C1||Na
3
V
2
(PO
4
)
),
it
demonstrates
stable
retention
900
cycles,
establishing
highly
efficient
SIBs.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(8), P. 1649 - 1649
Published: April 8, 2025
Aluminum
ion
batteries
(AIBs)
exhibit
a
promising
development
prospect
due
to
their
advantages
such
as
high
theoretical
specific
capacity,
safety,
low
cost,
and
sufficient
raw
material
sources.
In
this
work,
nanosheet
tin
disulfide
(SnS2)
was
successfully
prepared
using
the
hydrothermal
method
then
used
cathode
for
AIBs.
The
synthesized
nano-flake
SnS2
has
large
size
thin
thickness,
with
of
about
900
nm
thickness
150
nm.
This
electrode
effectively
enhances
contact
interface
electrolyte
shortens
depth
travel
distance
deintercalation.
As
an
electrode,
battery
obtained
residual
discharge
capacity
55
mAh
g-1
coulombic
efficiency
83%
after
600
cycles.
Furthermore,
first-principles
calculation
results
show
that
energy
storage
mechanism
is
deintercalation
behavior
Al3+.
Based
on
model
analysis
results,
it
can
be
seen
compared
position
between
two
sulfur
atoms,
Al3+
more
inclined
deintercalated
directly
above
atom.
study
provides
fundamental
data
large-scale
preparation
AIBs
application
research
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 22, 2024
Abstract
Graphite
anodes
hold
great
potential
for
potassium‐ion
batteries
(PIBs),
yet
their
practical
application
is
hindered
by
poor
cycle
performance
caused
substantial
interlayer
expansion.
Herein,
a
partial
graphitic
carbon
(PGC)
elaborately
engineered
via
the
catalytic
effect
of
ferric
citrate
using
pitch
as
precursor.
Systematically
varying
catalyst
content
enables
an
optimal
PGC
design
integrating
highly
graphitized
phase
providing
abundant
active
sites
K‐ion
intercalation,
balanced
with
amorphous
region
that
accommodates
volume
expansion
and
facilitates
ion
diffusion.
The
optimized
PGC12
electrode
exhibits
high
reversible
capacity
281.9
mAh
g
−1
,
characterized
prolonged
low‐potential
plateau
region,
excellent
stability
retention
94.8%
after
300
cycles.
It
also
realizes
impressive
rate
capability
retained
222.2
at
1
C.
Moreover,
assembled
full‐cell
delivers
exceptional
energy
density
148.2
Wh
kg
.
In‐situ
XRD
DFT
simulations
further
verify
distinct
transition
mechanisms
reaction
dynamics
across
different
configurations.
This
work
elucidates
impact
configurations
on
K‐storage
proposes
structural
model
efficient
storage,
which
instrumental
in
rational
advancement
PIBs.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Potassium‐ion
batteries
(PIBs)
using
carbonaceous
anode
materials
have
attracted
a
great
deal
of
research
interest.
However,
the
large
atomic
size
potassium
ions
inevitably
leads
to
huge
volume
expansion
and
collapse
anodes
during
intercalation,
which
greatly
hinders
rate
performance
cycling
life.
In
this
work,
carbon
nanotube‐derived
porous
N‐doped
nanoribbon
(CNR)
bundles
are
designed
as
an
for
PIBs.
These
CNR
in
rich
defects
provide
fast
channels
charge
transport
abundant
active
sites
ion
storage.
The
exhibit
maximum
capacity
441.4
mA
h
g
−1
at
current
density
0.2
A
after
200
cycles
well
highly
reversible
263.6
5.0
even
1000
cycles.
This
work
provides
guidance
structure
design
high‐performance
