Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Lithium
metal
anodes
generally
suffer
from
uncontrolled
dendrite
growth
and
large
volume
change,
while
traditional
skeletons
such
as
Li13In3
Li22Sn5
are
too
heavy
discontinuous
to
offer
highly
efficient
structural
supportability
for
composite
Li
anodes.
In
this
work,
lightweight
stable
fiber-clustered
skeletons,
which
composed
of
LiB
fibers
jointed
Li22Si5
nanoparticles,
can
be
obtained
by
smelting
SiB6
powder
ingots.
addition
serving
both
ionic
electronic
conductors
anodes,
the
reduced
volumetric
fluctuation
offering
uniform,
heterogeneous,
continuous
architectures
suppressing
lithium
dendrites
with
low
nucleation
overpotential
diffusion
energy
barrier.
As
a
result,
Li–SiB6|Li–SiB6
symmetrical
cells
achieve
an
ultralong
lifespan
over
2000
h
cycling
at
1
mA
cm–2
cm–2.
Eventually,
Li–SiB6|LiFePO4
full
exhibit
long-term
cyclability
400
cycles
high-capacity
retention
94.5%
2
C,
Li–SiB6|LiCoO2
pouch
impressive
85%
capacity
after
350
cycles.
This
work
develops
new
strategy
strengthen
stability
fibrous
minimize
changes
dendrite-free
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(7), P. 3446 - 3446
Published: April 7, 2025
Lithium
metal
negative
electrodes
are
pivotal
for
next-generation
batteries
because
of
their
exceptionally
high
theoretical
capacity
and
low
redox
potential.
However,
commercialization
is
constrained
by
critical
challenges,
including
dendrite
formation,
volumetric
instability,
the
fragility
solid
electrolyte
interphase
(SEI).
In
this
context,
review
highlights
transformative
potential
ex
situ
surface
treatments,
which
stabilize
lithium
before
cell
assembly.
Key
advancements
include
inorganic
polymer-based
coatings
that
enhance
SEI
stability
mitigate
growth,
three-dimensional
host
architectures
manage
changes
improve
diffusion,
liquid-phase
chemical
modifications
enable
uniform
deposition.
These
strategies
critically
evaluated
scalability,
environmental
sustainability,
long-term
stability,
paying
particular
attention
to
cost,
complexity,
ecological
considerations.
addition,
contributions
development
advanced
battery
technologies
discussed,
providing
insights
into
pathways
toward
enhanced
commercial
viability.
By
synthesizing
cutting-edge
research
identifying
unresolved
provides
a
comprehensive
roadmap
advancing
safer,
more
efficient,
durable
batteries,
thereby
bridging
gap
between
laboratory
adoption.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(48)
Published: Aug. 30, 2024
Abstract
Utilization
of
thin
Li
metal
is
the
ultimate
pathway
to
achieving
practical
high‐energy‐density
batteries
(LMBs),
but
its
implementation
has
been
significantly
impeded
by
formidable
challenges
poor
thinning
processability,
severe
interphase
instability
and
notorious
dendritic
growth.
Here
we
report
a
(10–40
μm)
Li/Mo/Li
2
Se
with
concurrently
modulated
mechanical
properties,
achieved
via
scalable
rolling
process.
The
in
situ
generated
Mo
not
only
enhance
strength
enabling
fabrication
metal,
also
promote
homogeneous
electrodeposition.
Significantly,
demonstrates
ultrahigh‐rate
performance
(15
mA
cm
−2
)
ultralong‐lifespan
cycling
sustainability
(2700
cycles)
exceptional
anti‐pulverization
capability.
Li|LiFePO
4
cells
show
substantially
prolonged
cyclability
over
1200
cycles
an
ultralow
decay
rate
~0.01
%
per
cycle.
Moreover,
Li|LiNi
0.8
Co
0.1
Mn
O
pouch
deliver
enhanced
stability
even
under
extremely
harsh
conditions
low
negative‐to‐positive‐capacity
(N/P)
ratio
~1.2
lean
electrolyte
~0.95
g
Ah
−1
,
showing
energy
density
329.2
Wh
kg
.
This
work
sheds
light
on
facile
for
production
durable
anode
toward
reliable
practicability.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Lithium
metal
anodes
generally
suffer
from
uncontrolled
dendrite
growth
and
large
volume
change,
while
traditional
skeletons
such
as
Li13In3
Li22Sn5
are
too
heavy
discontinuous
to
offer
highly
efficient
structural
supportability
for
composite
Li
anodes.
In
this
work,
lightweight
stable
fiber-clustered
skeletons,
which
composed
of
LiB
fibers
jointed
Li22Si5
nanoparticles,
can
be
obtained
by
smelting
SiB6
powder
ingots.
addition
serving
both
ionic
electronic
conductors
anodes,
the
reduced
volumetric
fluctuation
offering
uniform,
heterogeneous,
continuous
architectures
suppressing
lithium
dendrites
with
low
nucleation
overpotential
diffusion
energy
barrier.
As
a
result,
Li–SiB6|Li–SiB6
symmetrical
cells
achieve
an
ultralong
lifespan
over
2000
h
cycling
at
1
mA
cm–2
cm–2.
Eventually,
Li–SiB6|LiFePO4
full
exhibit
long-term
cyclability
400
cycles
high-capacity
retention
94.5%
2
C,
Li–SiB6|LiCoO2
pouch
impressive
85%
capacity
after
350
cycles.
This
work
develops
new
strategy
strengthen
stability
fibrous
minimize
changes
dendrite-free
