Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Май 19, 2024
Abstract
Poly(ethylene
oxide)
(PEO)‐based
solid‐state
lithium‐sulfur
batteries
(SSLSBs)
have
garnered
considerable
attention
as
potential
energy
storage
solutions
owing
to
their
exceptional
specific
energy,
ease
of
processing,
and
economic
viability.
Nevertheless,
the
inherently
low
Li
+
conductivity
PEO
electrolyte
inevitable
dissolution
lithium
polysulfides
(LiPSs)
within
sulfur
cathode
hinder
conversion
kinetics
lead
significant
loss
active
materials,
thus
posing
challenges
for
practical
applications.
Herein,
these
concerns
are
addressed
by
incorporating
oxygen
vacancy
enriched‐Nb
22
W
20
O
102‐x
(NWO
x
)
nanorods
additives
in
high‐performance
PEO‐based
SSLSBs.
The
uniformly
dispersed
NWO
effectively
modify
coordination
environment
ions
increasing
concentration
free
catholyte
alleviating
shuttle
effect
dissolved
LiPSs.
Consequently,
developed
SSLSB
demonstrates
excellent
cyclic
stability
rate
capability.
Specifically,
it
achieves
a
high
discharge
capacity
1208.6
mAh
g
−1
during
initial
cycle
maintains
927.8
after
200
cycles
at
0.1
C.
Moreover,
such
configuration
can
accommodate
loading
materials
with
stable
retention.
Overall,
this
study
presents
an
effective
approach
developing
cathodes
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 5264 - 5290
Опубликована: Янв. 1, 2024
The
energy
storage
and
vehicle
industries
are
heavily
investing
in
advancing
all-solid-state
batteries
to
overcome
critical
limitations
existing
liquid
electrolyte-based
lithium-ion
batteries,
specifically
focusing
on
mitigating
fire
hazards
improving
density.
All-solid-state
lithium-sulfur
(ASSLSBs),
featuring
earth-abundant
sulfur
cathodes,
high-capacity
metallic
lithium
anodes,
non-flammable
solid
electrolytes,
hold
significant
promise.
Despite
these
appealing
advantages,
persistent
challenges
like
sluggish
redox
kinetics,
metal
failure,
electrolyte
degradation,
manufacturing
complexities
hinder
their
practical
use.
To
facilitate
the
transition
of
technologies
an
industrial
scale,
bridging
gap
between
fundamental
scientific
research
applied
R&D
activities
is
crucial.
Our
review
will
address
inherent
cell
chemistries
within
ASSLSBs,
explore
advanced
characterization
techniques,
delve
into
innovative
structure
designs.
Furthermore,
we
provide
overview
recent
trends
investment
from
both
academia
industry.
Building
understandings
progress
that
has
been
made
thus
far,
our
objective
motivate
battery
community
advance
ASSLSBs
a
direction
propel
industrialized
process.
Abstract
Lithium–sulfur
(Li–S)
batteries,
which
store
energy
through
reversible
redox
reactions
with
multiple
electron
transfers,
are
seen
as
one
of
the
promising
storage
systems
future
due
to
their
outstanding
advantages.
However,
shuttle
effect,
volume
expansion,
low
conductivity
sulfur
cathodes,
and
uncontrollable
dendrite
phenomenon
lithium
anodes
have
hindered
further
application
Li–S
batteries.
In
order
solve
problems
clarify
electrochemical
reaction
mechanism,
various
types
materials,
such
metal
compounds
carbon
used
in
Polymers,
a
class
inexpensive,
lightweight,
electrochemically
stable
enable
construction
low‐cost,
high‐specific
capacity
Moreover,
polymers
can
be
multifunctionalized
by
obtaining
rich
structures
molecular
design,
allowing
them
applied
not
only
but
also
binders
solid‐state
electrolytes
optimize
performance
from
perspectives.
The
most
widely
areas
related
polymer
applications
including
cathodes
electrolytes,
selected
for
comprehensive
overview,
relevant
mechanisms
action
different
components
discussed.
Finally,
prospects
practical
batteries
presented
terms
advanced
characterization
mechanistic
analysis.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(25)
Опубликована: Апрель 16, 2024
Accelerating
sulfur
conversion
catalysis
to
alleviate
the
shuttle
effect
has
become
a
novel
paradigm
for
effective
Li-S
batteries.
Although
nitrogen-coordinated
metal
single-atom
(M-N
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.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(44)
Опубликована: Окт. 11, 2023
Abstract
Zinc‐ion
batteries
with
chalcogen‐based
(S,
Se,
Te)
cathodes
have
emerged
as
a
promising
candidate
for
utility‐scale
energy
storage
systems
and
portable
electronics,
which
attracted
rapid
attention
offer
tremendous
opportunities
owing
to
their
excellent
density,
on
top
of
the
advantages
aqueous
Zn
including
cost‐effectiveness,
inherent
safety,
eco‐friendliness.
Here,
comprehensive
overview
basic
mechanism
zinc–chalcogen
great
intrinsic
issues
is
provided.
More
detailed
recent
progress
summarized
existing
challenges
strategies
are
provided
well.
First,
four
specific
types
presented,
including:
zinc–sulfur,
zinc–selenium,
zinc–selenium
sulfide,
zinc–tellurium
batteries.
Second,
remaining
within
in
material
preparation,
physicochemical
properties,
battery
performance
discussed.
Meanwhile,
series
constructive
comprehensively
put
forward
optimizing
electrochemical
performance.
Finally,
future
research
perspectives
proposed
exploration
innovation
next‐generation
green
zinc
applications.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(5)
Опубликована: Дек. 14, 2023
Solid-state
lithium-sulfur
batteries
have
shown
prospects
as
safe,
high-energy
electrochemical
storage
technology
for
powering
regional
electrified
transportation.
Owing
to
limited
ion
mobility
in
crystalline
polymer
electrolytes,
the
battery
is
incapable
of
operating
at
subzero
temperature.
Addition
liquid
plasticizer
into
electrolyte
improves
Li-ion
conductivity
yet
sacrifices
mechanical
strength
and
interfacial
stability
with
both
electrodes.
In
this
work,
we
showed
that
by
introducing
a
spherical
hyperbranched
solid
Li
Advanced Powder Materials,
Год журнала:
2023,
Номер
3(1), С. 100141 - 100141
Опубликована: Июнь 16, 2023
Flexible
lithium
metal
batteries
with
high
capacity
and
power
density
have
been
regarded
as
the
core
resources
of
wearable
electronics.
However,
main
challenge
lies
in
limited
electrochemical
performance
solid-state
polymer
electrolytes,
which
hinders
further
practical
applications.
Incorporating
functional
inorganic
additives
is
an
effective
approach
to
improve
performance,
including
increasing
ionic
conductivity,
achieving
dendrite
inhibiting
capability,
improving
safety
stability.
Herein,
this
review
summarizes
latest
developments
composite
electrolytes
for
flexible
special
emphasis
on
their
mechanisms,
strategies,
cutting-edge
applications,
particular,
relationship
between
them
discussed
detail.
Finally,
perspective
future
research
directions
key
challenges
topic
are
outlooked.
