Bimetallic Bi–Sn nanoparticles in-situ anchored in carbon nanofiber as flexible self-supporting anode toward advanced magnesium ion batteries
Shaoqing Pan,
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Miao Cheng,
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Chen Ma
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et al.
Chemical Engineering Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 159626 - 159626
Published: Jan. 1, 2025
Language: Английский
Bifunctional Synergistic Mg@SnSb SEI for Low Interfacial Reaction Energy Barriers and Stable Cycling of High‐Performance Rechargeable Magnesium Batteries
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
The
formation
of
a
stable
passivation
layer
and
the
strong
electrostatic
interactions
impede
diffusion
magnesium
ions
(Mg
2+
)
at
Mg
anode
surface.
Construction
an
artificial
solid
electrolyte
interphase
(SEI)
presents
promising
approach
to
overcome
these
limitations.
This
study
develops
synergistic
structurally
Mg@SnSb
SEI
through
in
situ
reaction
between
Tin
trifluoromethanesulfonate
antimony
chloride
(Sn(OTf)
2
‐SbCl
3
‐based)
electrolyte,
featuring
low
LUMO
(lowest
unoccupied
molecular
orbital).
formed
multi‐phase
effectively
reduces
interfacial
barriers
facilitates
during
both
plating
stripping
processes.
Additionally,
nano‐grained
microstructure
enhances
uniformity
plating/stripping
suppresses
decomposition
OTf
anions
DME
solvent
molecules.
incorporating
exhibits
exceptionally
overpotential
less
than
0.07
V
ultra‐long
cycle
life
exceeding
1500
h.
In
full‐cell
tests
using
Mg@SnSb||Mo
6
S
8
,
system
achieved
exceptional
electrochemical
performance,
maintaining
over
94%
its
initial
capacity
after
more
400
cycles.
Language: Английский
Nanotechnology-Based Lithium-Ion Battery Energy Storage Systems
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(21), P. 9231 - 9231
Published: Oct. 24, 2024
Conventional
energy
storage
systems,
such
as
pumped
hydroelectric
storage,
lead–acid
batteries,
and
compressed
air
(CAES),
have
been
widely
used
for
storage.
However,
these
systems
face
significant
limitations,
including
geographic
constraints,
high
construction
costs,
low
efficiency,
environmental
challenges.
Among
these,
despite
their
widespread
use,
suffer
from
issues
heavy
weight,
sensitivity
to
temperature
fluctuations,
density,
limited
depth
of
discharge.
Lithium-ion
batteries
(LIBs)
emerged
a
promising
alternative,
offering
portability,
fast
charging,
long
cycle
life,
higher
density.
LIBs
still
challenges
related
lifespan,
safety
concerns
(such
overheating),
impact
due
resource
extraction
emissions.
This
review
explores
the
introduction
nanotechnology
transformative
approach
enhance
efficiency
overcome
limitations
LIBs.
We
provide
an
in-depth
overview
various
nanotechnology-based
solutions
LIBs,
focusing
on
safety,
sustainability.
Additionally,
we
discuss
advanced
thermal
analysis
techniques
assess
improve
performance
nanotechnology-enhanced
Finally,
examine
role
nanoparticles
in
remediation
insights
into
how
they
can
mitigate
ecological
footprint
battery
disposal
recycling.
aims
highlight
potential
revolutionize
address
growing
demand
efficient
sustainable
solutions.
Language: Английский