Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(10), С. 100522 - 100522
Опубликована: Окт. 1, 2024
In
this
study,
a
series
of
novel
inorganic-organic
hybrid
sulfide
solid
electrolytes
was
synthesized
by
doping
Li
7
P
2
S
8
I
with
selection
tetraalkylammonium
iodides,
including
tetramethylammonium
iodide
(TMAI),
tetraethylammonium
(TEAI),
tetrapropylammonium
(TPAI),
and
tetrabutylammonium
(TBAI).
The
were
prepared
in
varying
compositions,
represented
as
(1−x)
·
x
(TMAI,
TEAI,
TPAI,
TBAI),
where
values
adjusted
to
0,
0.05,
0.1,
0.2
(molar
ratio)
assess
their
influence
on
the
electrolyte
properties.
hybrids
exhibited
predominantly
amorphous
structures.
Tetraalkylammonium
iodides
longer
alkyl
chains
lower
ionic
conductivities.
Mechanical
characterization
via
indentation
tests
indicated
that
incorporation
reduced
elastic
moduli
composites.
This
study
presents
methodological
approach
for
modulating
structural
mechanical
properties
through
strategic
organic
doping.
Lithium-metal
batteries
(LMBs)
have
garnered
widespread
attention
due
to
their
high
energy
density.
Alloy
anodes
are
particularly
notable
for
exceptional
specific
capacity
used
in
LMBs.
However,
alloy
encounter
significant
challenges
interfacial
issues,
which
include
sluggish
reaction
kinetics
and
mechanical
failures
induced
by
force-electric
coupling
at
the
interface.
In
situ
characterization
of
interface
evolution
is
crucial
gain
a
deeper
understanding
fundamental
origins
these
issues.
This
review
systematically
examines
associated
with
highlights
role
techniques
elucidating
kinetics,
mechanisms,
dendrite
formation
anode-electrolyte
The
future
development
this
field
proposed
outlook.
Energy & environment materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 4, 2024
The
replacement
of
non‐aqueous
organic
electrolytes
with
solid‐state
(SSEs)
in
lithium
metal
batteries
(SLMBs)
is
considered
a
promising
strategy
to
address
the
constraints
lithium‐ion
batteries,
especially
terms
energy
density
and
reliability.
Nevertheless,
few
SLMBs
can
deliver
required
cycling
performance
long‐term
stability
for
practical
use,
primarily
due
suboptimal
interface
properties.
Given
diverse
solidification
pathways
leading
different
characteristics,
it
crucial
pinpoint
source
deterioration
develop
appropriate
remedies.
This
review
focuses
on
Li|SSE
issues
between
anode
SSE,
discussing
recent
advancements
understanding
(electro)chemistry,
impact
defects,
evolutions
that
vary
among
SSE
species.
state‐of‐the‐art
strategies
concerning
modified
SEI,
artificial
interlayer,
surface
architecture,
composite
structure
are
summarized
delved
into
internal
relationships
characteristics
enhancements.
current
challenges
opportunities
characterizing
modifying
suggested
as
potential
directions
achieving
SLMBs.
