Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(23)
Published: April 19, 2024
Abstract
Dramatic
growth
of
lithium
dendrite,
structural
deterioration
LiCoO
2
(LCO)
cathode
at
high
voltages,
and
unstable
electrode/electrolyte
interfaces
pose
significant
obstacles
to
the
practical
application
high‐energy‐density
LCO||Li
batteries.
In
this
work,
a
novel
eutectogel
electrolyte
is
developed
by
confining
nonflammable
eutectic
in
polymer
matrix.
The
can
construct
robust
solid
interphase
(SEI)
with
inorganic‐rich
LiF
Li
3
N,
contributing
uniform
deposition.
Besides,
severe
interface
side
reactions
between
LCO
be
retarded
an
situ
formed
protective
layer.
Correspondingly,
Li||Li
symmetrical
cells
achieve
highly
reversible
plating/stripping
over
1000
h.
full
cell
maintain
72.5%
capacity
after
1500
cycles
decay
rate
only
0.018%
per
cycle
charging
voltage
4.45
V.
Moreover,
well‐designed
even
enable
stable
operation
extremely
cutoff
4.6
This
work
introduces
promising
avenue
for
advancement
electrolytes,
nature
well‐regulated
significantly
push
forward
future
metal
batteries
high‐voltage
utilization
cathode.
Journal of Advanced Ceramics,
Journal Year:
2024,
Volume and Issue:
13(8), P. 1093 - 1118
Published: May 24, 2024
The
coordinated
development
of
new
energy
vehicles
and
the
storage
industry
has
become
inevitable
to
reduce
carbon
emissions.
cathode
material
is
key
that
determines
density
cost
a
power
battery,
while
currently
developed
applied
can
not
meet
requirements
high
specific
capacity,
low
cost,
safety
good
stability.
High-entropy
type
single-phase
composed
multiple
principal
elements
in
equimolar
or
near-equimolar
ratios.
interaction
between
play
an
important
role
improving
comprehensive
properties
material,
which
expected
solve
limitations
battery
materials
practical
applications.
Based
on
this,
this
review
provides
overview
current
status
modification
strategies
batteries
(lithium-ion
sodium-ion
battery),
proposes
high-entropy
design
strategy,
analyzes
structure-activity
relationship
effect
performance.
Finally,
future
research
topics
are
proposed,
including
computational
guide
design,
synthesis
methods,
electrochemistry
high-throughput
databases.
This
aims
provide
guidance
for
next-generation
batteries.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(23), P. 30462 - 30470
Published: June 3, 2024
Garnet-type
Li6.75La3Zr1.75Ta0.25O12
(LLZTO)
is
a
promising
solid-state
electrolyte
(SSE)
because
of
its
fast
ionic
conduction
and
notable
chemical/electrochemical
stability
toward
the
lithium
(Li)
metal.
However,
poor
interface
wettability
large
resistance
between
LLZTO
Li
anode
greatly
restrict
practical
applications.
In
this
work,
we
develop
an
in
situ
chemical
conversion
strategy
to
construct
highly
conductive
Li2S@C
layer
on
surface
LLZTO,
enabling
improved
interfacial
anode.
The
Li/Li2S@C-LLZTO-Li2S@C/Li
symmetric
cell
has
low
impedance
78.5
Ω
cm2,
much
lower
than
970
cm2
Li/LLZTO/Li
cell.
Moreover,
exhibits
high
critical
current
density
1.4
mA
cm–2
ultralong
3000
h
at
0.1
cm–2.
When
used
LiFePO4
battery,
Li/Li2S@C-LLZTO/LiFePO4
battery
initial
discharge
capacity
150.8
g–1
0.2
C
without
storage
attenuation
during
200
cycles.
This
work
provides
novel
feasible
address
issues
SSEs
achieve
lithium-dendrite-free
batteries.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 21, 2024
Abstract
The
growing
volume
of
spent
lithium‐ion
batteries
(LIBs)
with
degraded
LiCoO
2
(D‐LCO)
cathodes
is
arising
as
an
environmental
concern
well
a
waste
strategic
resources.
Current
recycling
strategies
for
D‐LCO
materials
primarily
focus
on
metal
extractions
(Li
and
Co),
which
produce
large
quantities
wastewater
residues
consume
substantial
amounts
energy.
Inspiringly,
the
rapid
proliferation
electric
vehicles
has
catalyzed
ever‐increasing
production
LIBs
ternary
layered
oxides
prevalent
cathode
materials.
Herein,
this
work
reports
simple,
green,
economic
upcycling
strategy
direct
transformation
into
high‐performance
single‐crystal
LiNi
1/3
Co
Mn
O
(NCM111)
By
simultaneous
lithium
replenishment,
particle
size
reduction,
chemical
composition
engineering
in
process,
NCM111
product
delivers
high
specific
capacity
(159.0
mAh
g
−1
at
0.1
C)
excellent
cycling
stability
(82.1%
retention
after
200
cycles
1
C),
outperforming
those
commercial
This
highlights
immense
potential
mitigating
ramifications
paves
way
sustainable
development
industry.