Energy & Fuels,
Год журнала:
2024,
Номер
38(14), С. 12528 - 12545
Опубликована: Июль 4, 2024
In
the
pursuit
of
advancements
within
realm
solid-state
lithium
metal
batteries,
considerable
attention
has
been
directed
toward
garnet-type
Li7La3Zr2O12
(LLZO)
material
owing
to
its
exceptional
stability,
elevated
ionic
conductivity
at
room
temperature,
compatibility
with
high
operating
voltages,
and
environmentally
friendly
low-cost
production
methodologies.
Despite
these
merits,
widespread
utilization
LLZO
in
conjunction
a
anode
is
significantly
impeded
by
emergence
interfacial
resistance
interface
dendrite
growth
issues.
When
challenges
are
addressed,
this
paper
comprehensively
examines
mechanistic
underpinnings
issues
arising
from
interaction
between
anode.
Furthermore,
it
surveys
latest
improvement
methodologies
employed
mitigate
concerns,
aiming
propel
advancement
battery
technology.
Molecules,
Год журнала:
2024,
Номер
29(6), С. 1414 - 1414
Опубликована: Март 21, 2024
Stabilizing
LiCoO2
(LCO)
at
4.5
V
rather
than
the
common
4.2
is
important
for
high
specific
capacity.
In
this
study,
we
developed
a
simple
and
efficient
way
to
improve
stability
of
voltages.
After
sol–gel
method,
introduced
trifluoroacetic
acid
(TA)
surface
LCO
via
an
afterwards
calcination.
Meanwhile,
TA
reacted
with
residual
lithium
on
LCO,
further
leading
formation
uniform
LiF
nanoshells.
The
nanoshells
could
effectively
restrict
interfacial
side
reaction,
hinder
transition
metal
dissolution
thus
achieve
stable
cathode–electrolyte
interface
working-voltages.
As
result,
LCO@LiF
demonstrated
much
superior
cycling
capacity
retention
ratio
83.54%
after
100
cycles
compared
bare
ones
(43.3%
retention),
as
well
rate
performances.
Notably,
coating
layers
endow
excellent
high-temperature
performances
outstanding
full-cell
This
work
provides
effective
prepare
materials
working
voltage.
Abstract
The
utilization
of
Si
anode
in
sulfide‐based
all‐solid‐state
batteries
(ASSBs)
has
gained
more
research
attention
recent
years
to
overcome
the
interface
challenges
associated
with
ASSB‐containing
Li
metal
anode.
However,
volume
expansion
feature
Si,
stress/strain
evolution
inside
electrode,
and
parasitic
side
reaction
at
Si/sulfide
SE
are
most
predominant
limiting
factors
for
practical
device
applications.
It
is
necessary
investigate
understand
through
in‐depth
analysis
real‐time
battery
operation
design
highly
efficient
ASSBs
commercial
Hence,
this
perspective
paper
provides
a
summary
characterization
tools
results
related
interface.
Moreover,
perspective,
we
emphasize
importance
further
investigation
advanced
in‐depth/operando
gain
insightful
information
about
anodic
interface,
which
could
be
useful
researchers
strategies
solving
challenging
issues
Energy & Fuels,
Год журнала:
2024,
Номер
38(14), С. 12528 - 12545
Опубликована: Июль 4, 2024
In
the
pursuit
of
advancements
within
realm
solid-state
lithium
metal
batteries,
considerable
attention
has
been
directed
toward
garnet-type
Li7La3Zr2O12
(LLZO)
material
owing
to
its
exceptional
stability,
elevated
ionic
conductivity
at
room
temperature,
compatibility
with
high
operating
voltages,
and
environmentally
friendly
low-cost
production
methodologies.
Despite
these
merits,
widespread
utilization
LLZO
in
conjunction
a
anode
is
significantly
impeded
by
emergence
interfacial
resistance
interface
dendrite
growth
issues.
When
challenges
are
addressed,
this
paper
comprehensively
examines
mechanistic
underpinnings
issues
arising
from
interaction
between
anode.
Furthermore,
it
surveys
latest
improvement
methodologies
employed
mitigate
concerns,
aiming
propel
advancement
battery
technology.
