Advanced Powder Materials,
Journal Year:
2023,
Volume and Issue:
2(4), P. 100139 - 100139
Published: May 22, 2023
Lithium
metal
batteries
(LMBs)
with
ultra-high
theoretical
energy
densities
are
regarded
as
excellent
candidates
for
the
next
storage
devices.
Unfortunately,
there
many
factors
can
cause
temperature
of
LMBs
to
exceed
a
safe
range
and
trigger
thermal
runaway.
Countless
effort
has
been
invested
in
designing
components
realize
application
LMBs.
However,
most
studies
only
focus
on
one
single
aspect
since
is
no
uniform
metrics
evaluating
safety
Herein,
this
review
comprehensively
summarizes
all
runaway
proposes
complete
A
comprehensive
overview
development
provided
discuss
gap
between
practical
applications.
Finally,
future
directions
academic
research
proposed
according
challenges
existing
current
studies.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(13)
Published: Dec. 25, 2023
Abstract
Commercialization
of
high
energy
density
Lithium‐Sulfur
(Li‐S)
batteries
is
impeded
by
challenges
such
as
polysulfide
shuttling,
sluggish
reaction
kinetics,
and
limited
Li
+
transport.
Herein,
a
jigsaw‐inspired
catalyst
design
strategy
that
involves
in
situ
assembly
coherent
nano‐heterocrystal
ensembles
(CNEs)
to
stabilize
high‐activity
crystal
facets,
enhance
electron
delocalization,
reduce
associated
barriers
proposed.
On
the
surface,
stabilized
facets
induce
aggregation.
Simultaneously,
surrounded
surface
with
enhanced
activity
promote
2
S
deposition
diffusion,
synergistically
facilitating
continuous
efficient
sulfur
redox.
Experimental
DFT
computations
results
reveal
dual‐component
hetero‐facet
alters
coordination
Nb
atoms,
enabling
redistribution
3D
orbital
electrons
at
center
promoting
d‐p
hybridization
sulfur.
The
CNE,
based
on
level
gradient
lattice
matching,
endows
maximum
transfer
catalysts
establishes
smooth
pathways
for
ion
diffusion.
Encouragingly,
NbN‐NbC‐based
pouch
battery
delivers
Weight
357
Wh
kg
−1
,
thereby
demonstrating
practical
application
value
CNEs.
This
work
unveils
novel
paradigm
designing
high‐performance
catalysts,
which
has
potential
shape
future
research
electrocatalysts
storage
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(26)
Published: April 15, 2024
High-energy-density
lithium
metal
batteries
(LMBs)
are
limited
by
reaction
or
diffusion
barriers
with
dissatisfactory
electrochemical
kinetics.
Typical
conversion-type
sulfur
battery
systems
exemplify
the
kinetic
challenges.
Namely,
before
diffusing
reacting
in
electrode
surface/interior,
Li(solvent)
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(18)
Published: Jan. 25, 2024
Abstract
The
heterogeneity,
species
diversity,
and
poor
mechanical
stability
of
solid
electrolyte
interphases
(SEIs)
in
conventional
carbonate
electrolytes
result
the
irreversible
exhaustion
lithium
(Li)
during
cycling,
hindering
practical
applications
Li
metal
batteries
(LMBs).
Herein,
this
work
proposes
a
solvent‐phobic
dynamic
liquid
interphase
(DLEI)
on
(Li–PFbTHF
(perfluoro‐butyltetrahydrofuran))
surface
that
selectively
transports
salt
induces
salt‐derived
SEI
formation.
DLEI
with
C–F‐rich
groups
dramatically
reduces
side
reactions
between
Li,
solvents,
humid
air,
forming
LiF/Li
3
PO
4
‐rich
SEI.
In
situ
electrochemical
impedance
spectroscopy
Ab‐initio
molecular
dynamics
demonstrate
effectively
stabilizes
interface
electrolyte.
Specifically,
LiFePO
||Li–PFbTHF
cells
deliver
80.4%
capacity
retention
after
1000
cycles
at
1.0
C,
excellent
rate
(108.2
mAh
g
−1
5.0
C),
90.2%
550
C
full‐cells
(negative/positive
(N/P)
ratio
8)
high
loadings
(15.6
mg
cm
−2
)
addition,
0.55
Ah
pouch
cell
252.0
Wh
kg
delivers
stable
cycling.
Hence,
study
provides
an
effective
strategy
for
controlling
to
improve
cycling
performances
carbonate‐based
LMBs.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(3), P. 2250 - 2260
Published: Jan. 5, 2024
Lithium
metal
batteries
(LMBs)
offer
significant
advantages
in
energy
density
and
output
voltage,
but
they
are
severely
limited
by
uncontrollable
Li
dendrite
formation
resulting
from
uneven
Li+
behaviors
high
reactivity
with
potential
co-solvent
plating.
Herein,
to
uniformly
enhance
the
desolvation
diffusion,
local
solvation
shell
structure
is
optimized
constructing
an
anion-braking
separator,
hence
dynamically
reducing
self-amplifying
behavior
of
dendrites.
As
a
prototypal,
two-dimensional
lithiated-montmorillonite
(LiMMT)
blade-coated
on
commercial
where
abundant
−OH
groups
as
Lewis
acidic
sites
electron
acceptors
could
selectively
adsorb
corresponding
FSI–
anions,
regulating
restricting
their
migration.
Meanwhile,
weakened
anion
mobility
delays
time
breaking
electrical
neutrality,
nucleation
quantified
through
respective
experimental,
theoretical
spectroscopical
results,
providing
comprehensive
understanding
modifying
cation
dendritic
growth
suppression.
anticipated,
long
plating/stripping
lifespan
up
1800
h
significantly
increased
average
Coulombic
efficiency
98.8%
achieved
under
3.0
mAh
cm–2.
The
fabricated
high-loading
Li-LFP
or
Li-NCM523
full-cells
display
cycle
durability
enhanced
capacity
retention
nearly
100%,
instructive
guide
towards
realizing
dendrite-free
LMBs.
Nanoscale Horizons,
Journal Year:
2024,
Volume and Issue:
9(2), P. 215 - 232
Published: Jan. 1, 2024
As
a
powerful
candidate
for
energy
storage
materials,
improving
the
antioxidant
properties
of
MXene
and
optimizing
its
synthesis
method
to
enhance
performance
has
become
research
hotspot.
