Tin Disulfide Nanosheet as Cathode Materials for Rechargeable Aluminum Ion Batteries: Synthesis, Electrochemical Performance, and Mechanism
Molecules,
Год журнала:
2025,
Номер
30(8), С. 1649 - 1649
Опубликована: Апрель 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
Язык: Английский
Progress of MXene-Based Materials in the Field of Rechargeable Batteries
Materials,
Год журнала:
2025,
Номер
18(10), С. 2386 - 2386
Опубликована: Май 20, 2025
With
the
rapid
development
of
electrical
energy
storage
technologies,
traditional
battery
systems
are
limited
in
practical
applications
by
insufficient
density
and
short
cycle
life.
This
review
provides
a
comprehensive
critical
summary
MXene
or
MXene-based
composites
as
electrode
materials
for
high-performance
devices.
By
integrating
synthesis
techniques
MXenes
that
have
been
studied,
this
paper
systematically
illustrates
physicochemical
properties,
strategies,
mechanisms
MXenes,
analyzes
bottlenecks
their
large-scale
preparation.
Meanwhile,
it
collates
latest
research
achievements
field
metal–ion
batteries
recent
years,
focusing
on
progress
lithium–ion,
sodium–ion,
lithium–sulfur,
multivalent
ion
(Zn2+,
Mg2+,
Al3+)
batteries,
reveals
action
different
material
cases.
Combining
DFT
analysis
effects
surface
functional
groups
adsorption
with
experimental
studies
clarifies
structure–activity
relationships
composites.
However,
using
hybrid
compounds
remains
its
infancy.
Future
directions
should
focus
understanding
regulating
chemistry,
investigating
specific
electrodes,
exploring
developing
related
to
bimetallic
MXenes.
Язык: Английский