Angewandte Chemie,
Год журнала:
2024,
Номер
136(28)
Опубликована: Май 7, 2024
Abstract
Alkali
metals
(e.g.
Li,
Na,
and
K)
multivalent
Zn,
Mg,
Ca,
Al)
have
become
star
anodes
for
developing
high‐energy‐density
rechargeable
batteries
due
to
their
high
theoretical
capacity
excellent
conductivity.
However,
the
inevitable
dendrites
unstable
interfaces
of
metal
pose
challenges
safety
stability
batteries.
To
address
these
issues,
covalent
organic
frameworks
(COFs),
as
emerging
materials,
been
widely
investigated
regular
porous
structure,
flexible
molecular
design,
specific
surface
area.
In
this
minireview,
we
summarize
research
progress
COFs
in
stabilizing
anodes.
First,
present
origins
delve
into
advantages
based
on
physical/chemical
properties
alkali
metals.
Then,
special
attention
has
paid
application
host
design
anodes,
artificial
solid
electrolyte
interfaces,
additives,
solid‐state
electrolytes,
separator
modifications.
Finally,
a
new
perspective
is
provided
from
pore
modulation,
synthesis
COFs.
Advanced Materials,
Год журнала:
2023,
Номер
36(3)
Опубликована: Окт. 18, 2023
Abstract
All‐solid‐state
lithium
(Li)
metal
batteries
(ASSLMBs)
employing
sulfide
solid
electrolytes
have
attracted
increasing
attention
owing
to
superior
safety
and
high
energy
density.
However,
the
instability
of
against
Li
induces
formation
two
types
incompetent
interphases,
electrolyte
interphase
(SEI)
mixed
conducting
(MCI),
which
significantly
blocks
rapid
Li‐ion
transport
uneven
deposition
continuous
interface
degradation.
In
this
contribution,
a
dynamically
stable
(S‐MCI)
is
proposed
by
in
situ
stress
self‐limiting
reaction
achieve
compatibility
with
composite
(Li
6
PS
5
Cl
(LPSCl)
10
GeP
2
S
12
(LGPS)).
The
rational
design
utilizes
expansion
induced
decomposition
turn
constrain
further
LGPS.
Consequently,
S‐MCI
inherits
dynamical
stability
LPSCl‐derived
SEI
lithiophilic
affinity
Li–Ge
alloy
LGPS‐derived
MCI.
Li||Li
symmetric
cells
protection
can
operate
stably
for
1500
h
at
0.5
mA
cm
−2
mAh
.
Li||NCM622
full
present
cycling
100
cycles
0.1
C
high‐capacity
retention
93.7%.
This
work
sheds
fresh
insight
into
constructing
electrochemically
high‐performance
ASSLMBs.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(35)
Опубликована: Июль 30, 2023
Abstract
All‐solid‐state
lithium
batteries
(ASSLBs)
have
become
a
recent
research
hotspot
because
of
their
excellent
safety
performance.
In
order
to
better
reflect
superiority,
high‐voltage
cathodes
should
be
applied
enhance
the
energy
density
solid
compete
with
commercial
liquid
batteries.
However,
introduction
suffers
from
many
problems,
such
as
low
electrochemical
stability,
inferior
interface
chemical
stability
between
cathode
and
electrolyte,
poor
mechanical
contact,
gas
evolution.
These
drawbacks
significantly
influence
battery
performance,
even
causing
failure
hindering
commercialization
solid‐state
This
paper
first
reviews
above
mechanisms
cathode‐based
ASSLBs
different
perspectives.
Then,
advances
in
electrolytes
for
are
summarized,
mainly
including
polymer
electrolytes,
sulfide
oxide
electrolytes.
addition,
materials
is
also
highly
critical,
strategies
improve
performance
put
forward,
which
can
divided
into
coating
protection,
synthesis
modification,
structure
improvement.
Finally,
guidelines
future
development
discussed.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(50)
Опубликована: Сен. 7, 2023
Abstract
The
practical
application
of
solid‐state
lithium‐metal
batteries
(SSLMBs)
based
on
polymer
solid
electrolytes
has
been
hampered
by
their
low
ion
conductivity
and
lithium‐dendrite‐induced
short
circuits.
This
study
innovatively
introduces
1D
ferroelectric
ceramic‐based
Bi
4
Ti
3
O
12
‐BiOBr
heterojunction
nanofibers
(BIT‐BOB
HNFs)
into
poly(ethylene
oxide)
(PEO)
matrix,
constructing
lithium‐ion
conduction
highways
with
“dissociators”
“accelerating
regions.”
BIT‐BOB
HNFs,
as
ceramic
fillers,
not
only
can
construct
long‐range
organic/inorganic
interfaces
transport
pathways,
but
also
install
regions”
for
these
pathways
through
the
electric
dipole
layer
built‐in
field
promoting
dissociation
lithium
salts
transfer
ions.
working
mechanisms
HNFs
in
matrix
are
verified
experimental
tests
density
functional
theory
calculations.
obtained
composite
exhibit
excellent
migration
number
(6.67
×
10
−4
S
cm
−1
0.54
at
50
°C,
respectively).
assembled
symmetric
battery
achieves
good
cycling
stability
over
4500
h.
LiFePO
||Li
full
delivers
a
high
Coulombic
efficiency
(>99.9%)
discharge
capacity
retention
rate
(>87%)
after
2200
cycles.
In
addition,
prepared
electrolyte
demonstrates
potential
flexible
pouch
batteries.
Batteries,
Год журнала:
2024,
Номер
10(1), С. 29 - 29
Опубликована: Янв. 17, 2024
The
primary
goal
of
this
review
is
to
provide
a
comprehensive
overview
the
state-of-the-art
in
solid-state
batteries
(SSBs),
with
focus
on
recent
advancements
solid
electrolytes
and
anodes.
paper
begins
background
evolution
from
liquid
electrolyte
lithium-ion
advanced
SSBs,
highlighting
their
enhanced
safety
energy
density.
It
addresses
increasing
demand
for
efficient,
safe
storage
applications
like
electric
vehicles
portable
electronics.
A
major
part
analyzes
electrolytes,
key
SSB
technology.
classifies
as
polymer-based,
oxide-based,
sulfide-based,
discussing
distinct
properties
application
suitability.
also
covers
anode
materials
exploring
lithium
metal,
silicon,
intermetallic
compounds,
focusing
capacity,
durability,
compatibility
electrolytes.
challenges
integrating
these
materials,
interface
stability
dendrite
growth.
This
includes
discussion
latest
analytical
techniques,
experimental
studies,
computational
models
understand
improve
anode–solid
interface.
These
are
crucial
tackling
interfacial
resistance
ensuring
SSBs’
long-term
efficiency.
Concluding,
suggests
future
research
development
directions,
potential
revolutionizing
technologies.
serves
vital
resource
academics,
researchers,
industry
professionals
battery
technology
development.
offers
detailed
technologies
shaping
future,
providing
insights
into
current
solutions
rapidly
evolving
field.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(28)
Опубликована: Май 7, 2024
Alkali
metals
(e.g.
Li,
Na,
and
K)
multivalent
Zn,
Mg,
Ca,
Al)
have
become
star
anodes
for
developing
high-energy-density
rechargeable
batteries
due
to
their
high
theoretical
capacity
excellent
conductivity.
However,
the
inevitable
dendrites
unstable
interfaces
of
metal
pose
challenges
safety
stability
batteries.
To
address
these
issues,
covalent
organic
frameworks
(COFs),
as
emerging
materials,
been
widely
investigated
regular
porous
structure,
flexible
molecular
design,
specific
surface
area.
In
this
minireview,
we
summarize
research
progress
COFs
in
stabilizing
anodes.
First,
present
origins
delve
into
advantages
based
on
physical/chemical
properties
alkali
metals.
Then,
special
attention
has
paid
application
host
design
anodes,
artificial
solid
electrolyte
interfaces,
additives,
solid-state
electrolytes,
separator
modifications.
Finally,
a
new
perspective
is
provided
from
pore
modulation,
synthesis
COFs.
Advanced Materials,
Год журнала:
2024,
Номер
36(31)
Опубликована: Июнь 5, 2024
All-solid-state
lithium
batteries
with
polymer
electrolytes
suffer
from
electrolyte
decomposition
and
dendrites
because
of
the
unstable
electrode/electrolyte
interfaces.
Herein,
a
molecule
crowding
strategy
is
proposed
to
modulate
Li
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Янв. 12, 2024
Improving
the
long-term
cycling
stability
and
energy
density
of
all-solid-state
lithium
(Li)-metal
batteries
(ASSLMBs)
at
room
temperature
is
a
severe
challenge
because
notorious
solid-solid
interfacial
contact
loss
sluggish
ion
transport.
Solid
electrolytes
are
generally
studied
as
two-dimensional
(2D)
structures
with
planar
interfaces,
showing
limited
further
resulting
in
unstable
Li/electrolyte
cathode/electrolyte
interfaces.
Herein,
three-dimensional
(3D)
architecturally
designed
composite
solid
developed
independently
controlled
structural
factors
using
3D
printing
processing
post-curing
treatment.
Multiple-type
electrolyte
films
vertical-aligned
micro-pillar
(p-3DSE)
spiral
(s-3DSE)
rationally
developed,
which
can
be
employed
for
both
Li
metal
anode
cathode
terms
accelerating
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(24)
Опубликована: Апрель 13, 2024
The
development
of
highly
producible
and
interfacial
compatible
in
situ
polymerized
electrolytes
for
solid-state
lithium
metal
batteries
(SSLMBs)
have
been
plagued
by
insufficient
transport
kinetics
uncontrollable
dendrite
propagation.
Herein,
we
seek
to
explore
a
rationally
designed
nanofiber
architecture
balance
all
the
criteria
SSLMBs,
which
La
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 2, 2025
Abstract
Composite
solid‐state
electrolytes
(CSSEs)
that
combine
the
benefits
of
inorganic
and
polymer
hold
great
potential
for
lithium
metal
batteries
(SSLMBs)
due
to
their
high
ionic
conductivity
superior
mechanical
properties.
However,
overall
performance
is
severely
hindered
by
several
practical
challenges,
including
component
aggregation,
poor
interface
behavior,
limited
Li
+
transport.
Here,
a
unique
ultrathin
coating
triaminopropyl
triethoxysilane
with
bifunctional
structure
introduced
effectively
bridges
fillers
(Li
1+x
Al
x
Ti
2‐x
(PO
4
)
3
,
LATP)
polyvinylidene
fluoride
hexafluoropropylene
/polyethylene
oxide
matrix,
thereby
enabling
high‐performance
CSSEs
(referred
as
SLPH).
This
design
prevents
LATP
particle
agglomeration,
improves
interfacial
compatibility,
ensures
enrichment
fast
transport
within
SLPH.
Consequently,
SLPH
exhibits
low
conduction
energy
barrier
(
E
=
0.462
eV),
desirable
(4.19
×
10
−4
S
cm
−1
at
60
°C),
transference
number
0.694).
As
result,
SSLMBs
SLPH,
Li|
|Li
symmetric
cells,
LiFePO
|
coin‐type,
pouch
demonstrate
rate
capability
long‐time
cycling
stability.
work
underscores
significance
surface
functionalization
create
stable
solid‐solid
enhance
conduction,
paving
way
in
SSLMBs.
