Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(51)
Опубликована: Дек. 9, 2024
The
interface
issue
poses
a
limitation
on
the
fast
charging
of
solid-state
batteries
(SSBs),
with
high-impedance
non-Faraday
electric
field
serving
as
pivotal
factor.
However,
mechanism
fast-charging
capability
degradation
triggered
by
dynamic
evolution
fields
remains
unclear
due
to
lack
particle-scale
nondestructive
detection
techniques.
Here,
we
dissect
generation
and
elimination
processes
non-Faradaic
in
segments
using
developed
operando
cryogenic
transmission
X-ray
microscopy
(Cryo-TXM).
This
method
accurately
tracks
ion
self-balancing
pathways
LiNi
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(20), С. 7699 - 7711
Опубликована: Янв. 1, 2024
We
present
a
simple
and
scalable
surface
chemical
approach
of
spraying
dilute
DFFSA
solution
on
the
Li
to
eliminate
native
passivation
layer
form
multi-component
SEI,
enabling
stable
cycling
460
W
h
kg
−1
metal
pouch
cell.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
The
integration
of
nanocatalysts
into
the
separators
lithium-sulfur
batteries
(LSBs)
boosts
polysulfide
conversion
efficiency.
However,
aggregation
catalyst
nanoparticles
diminishes
active
surface
area.
Moreover,
densely
packed
catalyst-modified
layers
often
hinder
ion
transport
rates
and
impede
access
to
catalytic
sites.
To
overcome
these
challenges,
a
strategy
is
reported
for
modifying
commercial
separators,
using
wood
nanocellulose
as
building
block
construct
hierarchical
P-doped
MoO2-x
anchored
on
N,
P
co-doped
porous
carbon
(P-MoO2-x/NPC).
web-like
entangled
forms
framework
in
situ
polymerization
polyaniline,
providing
abundant
anchoring
sites
MoO2
nanoparticles.
addition
atoms
optimizes
d-band
center
enhances
activity
conversion.
LSBs
assembled
P-MoO2-x/NPC
coated
polypropylene
separator
display
an
initial
discharge
capacity
1621
mAh
g-1
rate
performance
774
at
5
C.
Even
with
sulfur
loading
8.1
mg
cm-2
lean
electrolyte
conditions,
cell
achieves
areal
11.3
0.1
This
work
provides
biopolymer
nanofiber
solution
constructing
LSB
advanced
electrochemical
reactivity.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 14, 2024
Abstract
Though
polyvinylidene
fluoride
(PVDF)
is
widely‐used
binder
for
conventional
lithium‐sulfur
(Li–S)
batteries,
it
still
encounters
challenges
of
severe
electrode
fracture
involved
by
drastic
volume
change
upon
repeating
cycling,
and
lack
extended‐functions
like
trapping
dissolved
polysulfides
smoothing
Li
+
transfer.
Herein,
a
methodology
grafting
sulfophilic
hydrogen‐bond
donor
lithiophilic
acceptor
to
the
polymer
(named
as
PIL),
function
gear
teethes
tooth
spaces,
reported.
When
cracks
occur,
engaged
gears
driven
dynamic
hydrogen
bonds
are
separated,
which
spontaneously
reformed
owing
automatic
meshing
gears,
thus
accelerate
healing
cracks.
At
molecular
level,
synergetic
effect
enables
immobilization
through
“push‐pull
effect”,
facilitating
subsequent
redox
kinetics.
Accordingly,
cross‐link
network
endows
elaborated
designed
with
strong
adhesive
strength
rapid
migration.
Attributed
these
beneficial
properties,
PIL‐based
sulfur
cathode
exhibits
excellent
rate
performance
superior
cycling
durability
(an
ultralow
capacity
fading
0.062%
per
cycle
over
800
cycles
at
2
C).
Even
high
loading
9.27
mg
cm
−2
,
areal
8.71
mAh
can
be
achieved,
verifying
its
potential
application.
Nanomaterials,
Год журнала:
2024,
Номер
14(12), С. 990 - 990
Опубликована: Июнь 7, 2024
Intensive
increases
in
electrical
energy
storage
are
being
driven
by
electric
vehicles
(EVs),
smart
grids,
intermittent
renewable
energy,
and
decarbonization
of
the
economy.
Advanced
lithium–sulfur
batteries
(LSBs)
among
most
promising
candidates,
especially
for
EVs
grid-scale
applications.
In
this
topical
review,
recent
progress
perspectives
practical
LSBs
reviewed
discussed;
challenges
solutions
these
analyzed
proposed
future
large-scale
Major
shuttle
effect,
reaction
kinetics,
anodes
specifically
addressed,
provided
on
basis
electrodes,
electrolytes,
binders,
interlayers,
conductivity,
electrocatalysis,
artificial
SEI
layers,
etc.
The
characterization
strategies
(including
situ
ones)
parameters
(e.g.,
cost-effectiveness,
battery
management/modeling,
environmental
adaptability)
assessed
crucial
automotive/stationary
applications
(i.e.,
grid
storage).
This
review
will
give
insights
into
development
Li–S
toward
applications,
including
storage.
Catalysts,
Год журнала:
2025,
Номер
15(2), С. 106 - 106
Опубликована: Янв. 22, 2025
Lithium–sulfur
(Li-S)
batteries
are
recognized
as
a
promising
alternative
in
the
energy
storage
domain
due
to
their
high
theoretical
density,
environmental
friendliness,
and
cost-effectiveness.
However,
challenges
such
polysulfide
dissolution,
low
conductivity
of
sulfur,
limited
cycling
stability
hinder
widespread
application.
To
address
these
issues,
incorporation
heterostructured
metallic
substrates
into
Li-S
has
emerged
pivotal
strategy,
enhancing
electrochemical
performance
by
facilitating
better
adsorption
catalysis.
This
review
delineates
modifications
made
cathode
separator
through
heterostructures.
We
categorize
heterostructures
three
classifications:
single
metals
metal
compounds,
MXene
materials
paired
with
formed
entirely
compounds.
Each
category
is
systematically
examined
for
its
contributions
behavior
efficiency
batteries.
The
evaluated
both
contexts,
revealing
significant
improvements
lithium-ion
retention.
Our
findings
suggest
that
strategic
design
can
not
only
mitigate
inherent
limitations
but
also
pave
way
development
high-performance
systems.
Advanced Sustainable Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Abstract
Lithium‐Sulfur
(Li─S)
batteries
have
the
advantages
of
low
cost
and
high
capacity,
but
cathode
shuttle
effect
growth
anode
lithium
dendrites
hindered
their
development.
Among
various
modification
strategies,
separator
offers
a
promising
approach
to
address
issues
on
both
anodes
cathodes.
In
this
study,
bifunctional
asymmetric
polypropylene
(PP)
is
modified
with
nitrogen‐doped
reduced
graphene
oxide
(N–rGO)
side
cellulose
fibers
(CF)
challenges
associated
electrodes.
CF
effectively
promotes
uniform
deposition
metal
significantly
inhibits
dendrites.
addition,
N–rGO
porous
structure
active
sites
can
not
only
suppress
polysulfide
shuttling
by
physical
chemical
adsorption
also
catalyze
kinetics
redox
reaction,
leading
an
increased
specific
capacity
battery.
The
Li─S
battery
incorporating
N–rGO@PP@CF
exhibits
impressive
1294
mAh
g
−1
at
current
rate
1
C,
remarkably
average
decay
0.076%
per
cycle
over
500
cycles.
synergistic
between
separators
provides
guideline
for
developing
high‐performance
batteries.
Abstract
Sulfide‐based
all‐solid‐state
batteries
(ASSBs)
have
ushered
in
a
new
era
of
energy
storage
technology,
offering
the
tantalizing
prospect
unprecedented
density
and
safety.
However,
poor
electrode‐electrolyte
interface
between
Li
anodes
sulfide
solid
electrolytes
has
hindered
its
practical
application.
In
this
review,
primary
focus
lies
current
fundamental
understanding,
challenges,
optimization
strategies
regarding
chemistries
anode.
First,
an
in‐depth
discussion
is
conducted
provides
detailed
summary
interfacial
challenges
that
exist
anode
electrolytes.
Among
these
compatibility
stability
stand
out
as
two
crucial
issues.
Subsequently,
effective
approaches
are
systematically
explored
to
surmount
These
encompass
component
structural
design
bulk
anode,
doping
coating
electrolytes,
Finally,
insights
present
into
limitations
studies,
perspectives,
recommendations
for
further
development
sulfide‐based
solid‐state
batteries,
aiming
offer
comprehensive
enlightening
overview
engineering,
which
great
significance
integration
applicable
metal
(ASSLMBs).
