ACS Energy Letters,
Год журнала:
2025,
Номер
10(3), С. 1174 - 1182
Опубликована: Фев. 22, 2025
Lithium-reservoir-free
solid-state
batteries
can
fail
due
to
electrical
shorting
as
a
result
of
fracture
and
lithium
metal
filament
formation.
Mechanical
stress
at
the
solid
electrolyte
surface
induce
fractures,
which
promote
growth.
This
arises
from
both
electrochemical
sources,
electrodeposition,
mechanical
such
external
stack
pressure.
Solid
roughness
applied
pressure
together
affect
development.
study
combines
experiments,
3D
synchrotron
imaging,
mesoscale
modeling
explore
how
influences
failure
mechanisms
in
free
batteries.
At
low
pressure,
irregular
plating
resulting
high
local
current
density
drive
failure.
higher
uniform
is
favored;
however,
notch-like
features
experience
tensile
stress,
leading
fractures
that
cause
premature
short-circuiting.
Joule,
Год журнала:
2023,
Номер
7(3), С. 503 - 514
Опубликована: Фев. 24, 2023
Ag-carbon
composite
interlayers
have
been
reported
to
enable
Li-free
(anodeless)
cycling
of
solid-state
batteries.
Here,
we
report
structural
changes
in
the
Ag-graphite
interlayer,
showing
that
on
charge,
Li
intercalates
electrochemically
into
graphite,
subsequently
reacting
chemically
with
Ag
form
Li-Ag
alloys.
Discharge
is
not
reverse
charge
but
rather
passes
through
Li-deficient
phases.
At
higher
charging
rates,
intercalation
graphite
outpaces
chemical
reactions
Ag,
delaying
formation
phases
and
resulting
more
metal
deposition
at
current
collector.
above
2.5
mA·cm−2,
dendrites
are
suppressed.
nanoparticles
do
suppress
effectively
than
does
an
interlayer
alone.
Instead,
carbon
results
homogeneous
collector
during
charge.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(6)
Опубликована: Окт. 27, 2023
Abstract
Current
lithium
(Li)‐metal
anodes
are
not
sustainable
for
the
mass
production
of
future
energy
storage
devices
because
they
inherently
unsafe,
expensive,
and
environmentally
unfriendly.
The
anode‐free
concept,
in
which
a
current
collector
(CC)
is
directly
used
as
host
to
plate
Li‐metal,
by
using
only
Li
content
coming
from
positive
electrode,
could
unlock
development
highly
energy‐dense
low‐cost
rechargeable
batteries.
Unfortunately,
dead
Li‐metal
forms
during
cycling,
leading
progressive
fast
capacity
loss.
Therefore,
optimization
CC/electrolyte
interface
modifications
CC
designs
key
producing
efficient
batteries
with
liquid
solid‐state
electrolytes.
Lithiophilicity
electronic
conductivity
must
be
tuned
optimize
plating
process
Li‐metal.
This
review
summarizes
recent
progress
findings
design
(e.g.
3D
structures)
its
interaction
Advanced Materials,
Год журнала:
2024,
Номер
36(15)
Опубликована: Янв. 13, 2024
Abstract
Solid‐state
electrolytes
(SSEs)
have
attracted
extensive
interests
due
to
the
advantages
in
developing
secondary
batteries
with
high
energy
density
and
outstanding
safety.
Possessing
ionic
conductivity
lowest
reduction
potential
among
state‐of‐the‐art
SSEs,
garnet
type
SSE
is
one
of
most
promising
candidates
achieve
performance
solid‐state
lithium
(SSLBs).
However,
elastic
modulus
electrolyte
leads
deteriorated
interfacial
contacts,
increasing
electronic
conduction
at
either
anode/garnet
interface
or
grain
boundary
results
Li
dendrite
growth.
Here,
recent
developments
solid
interfaces
for
electrolytes,
including
strategies
suppression
chemical/electrochemical/mechanical
stabilizations
are
presented.
A
new
viewpoint
double
edges
lithiophobicity
proposed,
rational
design
interphases,
as
well
effective
stacking
methods
garnet‐based
SSLBs
summarized.
Moreover,
practical
roles
SSLB
industry
also
discussed.
This
work
delivers
insights
into
which
provides
not
only
promotion
SSLBs,
but
a
comprehensive
understanding
stabilization
whole
family.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(12)
Опубликована: Янв. 18, 2024
Abstract
A
stable
interfacial
design
bridging
Li
metal
and
sulfide
solid
electrolytes
is
imperative
for
deploying
practical
all‐solid‐state
batteries.
Despite
the
extensive
exploration
of
interlayer
materials,
including
inorganic
substances,
lithiophilic
metals,
their
composites,
a
comprehensive
understanding
stability
chemo‐mechanical
evolution,
particularly
those
influenced
by
cell
fabrication
processes,
remains
unexplored.
Herein,
it
meticulously
investigate
formation
evolution
LiF,
Mg,
conversion‐type
multicomponent
MgF
2
ultrathin
interlayers,
each
fabricated
via
thermal
evaporation
deposition.
Unexpectedly,
LiF
Mg
fail
to
enhance
performance,
with
notably
susceptible
external
pressures
during
fabrication,
leading
serious
current
constriction,
while
deposition
results
in
Li‐rich
solution.
Remarkably,
coatings
demonstrate
substantially
superior
performance
both
Li|Li
6
PS
5
Cl|Li
symmetric
cells
(up
2000
h)
LiNi
0.70
Co
0.15
Mn
O
|Li
full‐cells
(82%
capacity
retention
after
800
cycles)
at
30
°C.
These
are
attributed
in‐situ
x
nanograins
through
conversion
reaction,
which,
repeated
cycling,
maintains
fixed
position
interface
ensuring
uniform
+
flux.
Supported
analyses,
these
findings
highlight
pivotal
role
interlayers
mitigating
side
reactions
preventing
penetration.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(7), С. 4282 - 4300
Опубликована: Фев. 9, 2024
Lithium
metal
anodes
have
the
potential
to
be
a
disruptive
technology
for
next-generation
batteries
with
high
energy
densities,
but
their
electrochemical
performance
is
limited
by
lack
of
fundamental
understanding
into
mechanistic
origins
that
underpin
poor
reversibility,
morphological
evolution
(including
dendrite
growth),
and
interfacial
instability.
The
goal
this
perspective
summarize
current
state-of-the-art
these
phenomena,
highlight
knowledge
gaps
where
additional
research
needed.
various
stages
cycling
are
described
sequentially,
including
nucleation,
growth,
open-circuit
rest
periods,
electrodissolution
(stripping).
A
direct
comparison
lessons
learned
from
liquid
solid-state
electrolyte
systems
made
throughout
discussion,
providing
cross-cutting
insights
between
communities.
Major
themes
discussion
include
electro-chemo-mechanical
coupling,
in
situ/operando
analysis,
interplay
experimental
observations
computational
modeling.
Finally,
series
questions
proposed
identify
critical
inform
future
directions.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
Solid-state
batteries
(SSBs)
could
offer
improved
energy
density
and
safety,
but
the
evolution
degradation
of
electrode
materials
interfaces
within
SSBs
are
distinct
from
conventional
with
liquid
electrolytes
represent
a
barrier
to
performance
improvement.
Over
past
decade,
variety
imaging,
scattering,
spectroscopic
characterization
methods
has
been
developed
or
used
for
characterizing
unique
aspects
in
SSBs.
These
efforts
have
yielded
new
understanding
behavior
lithium
metal
anodes,
alloy
composite
cathodes,
these
various
solid-state
(SSEs).
This
review
provides
comprehensive
overview
strategies
applied
SSBs,
it
presents
mechanistic
SSB
that
derived
methods.
knowledge
critical
advancing
technology
will
continue
guide
engineering
toward
practical
performance.
