Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
The
high
irreversibility
to
FeS
2
‐based
anode
thwarts
its
applicability
in
sodium
ion
batteries
(SIBs),
originally
stem
from
the
sluggish
Na
+
insertion/extraction
kinetics,
confined
by
desolvation
barrier,
thick
electric
double
layer
(EDL)
and
long
transport
routine
inside
.
Herein,
covalent
polypeptide
oligomers
(Pcy)
based
on
cysteine
(Cy)
with
β‐sheet
configuration
grafted
binary
hollow
carbon
coupled
@Fe
O
3
heterostructure,
i.e.,
/Fe
@C@Pcy,
are
designed
achieve
low
contracted
EDL
via
weakened
coulombic
interaction
stems
zwitterionic
feature
enhanced
capacity
semi‐interpenetrating
possessing
a
weak
coordination
environment,
massively
accelerate
additionally,
orderly
dense
vertical
occupation
within
inner
Helmholtz
plane
(IHP)
also
enormously
reduces
thickness
of
EDL.
structure
complex
typical
looping
considerably
expedites
kinetics
anode.
Both
experimental
theoretical
trials
demonstrate
such
composite
manifests
reversibility
storage
virtue
exceptional
stability,
rapid
swift
reaction
kinetics.
Batteries,
Journal Year:
2025,
Volume and Issue:
11(3), P. 89 - 89
Published: Feb. 22, 2025
Lithium–sulfur
batteries
(LSBs)
are
considered
candidates
for
next-generation
energy
storage
systems
due
to
their
high
theoretical
density
and
low
cost.
However,
practical
applications
constrained
by
the
shuttle
effect,
lithium
dendrites,
conductivity,
volume
expansion
of
sulfur.
Metal–organic
frameworks
(MOFs)
have
emerged
as
promising
materials
addressing
these
challenges,
owing
exceptional
adsorption
catalysis
capabilities,
coupled
with
a
readily
adjustable
form-factor
design.
This
review
provides
broader
perspective
comprehensively
examining
MOFs
in
LSBs,
covering
roles
cathodes,
separators,
electrolytes
from
multiple
dimensions,
including
reaction
mechanisms,
development
potential
cathode
materials,
positive
impacts
on
LSBs’
performance
achieved
through
preparation
modifications
intermediate,
separator,
electrolyte.
Finally,
we
provide
perspectives
future
directions
this
field.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 23, 2025
Abstract
Separators
are
crucial
in
lithium‐sulfur
batteries
(LiSBs)
to
ensure
optimal
ion
transport
and
prevent
internal
short
circuits.
High‐performance
separators
with
excellent
thermal
stability,
electrolyte
wettability,
porosity,
Li
+
selectivity
essential
for
the
safety
enhancing
energy
density
of
LiSBs.
This
is
particularly
important
mitigating
polysulfide
(LiPS)
shuttling,
which
degrades
both
capacity
cycling
stability
In
this
work,
a
novel
separator
design
high‐performance
LiSBs
introduced
that
combines
poly(ether
ether
ketone)
(PEEK)‐based
inverse
opal
(PIO)
architecture
an
situ
grown
cobalt‐imidazole
metal‐organic
framework
ZIF‐67
on
polymeric
surface.
The
PIO
provides
improved
conductivity
due
unique
structural
characteristics
thermal/mechanical
properties
PEEK.
Additionally,
imparts
enhanced
electrochemical
system
through
its
selective
permittivity
LiPS.
chemical
configuration
significantly
suppresses
LiPS
shuttling;
negative
imidazole
sites
accelerate
mobility
while
Lewis
acidic
Co
2+
centers
strongly
interact
S
x
2−
base.
Consequently,
developed
exhibits
remarkable
inhibition
shuttling
synergistic
effects
from
acid‐base
interactions
physical
separator.
It
also
demonstrates
effective
regulation
Li‐dendrite
growth,
leading
With
greatly
performance,
rate
capability,
ZIF‐PIO
presented
work
promising
solution
practical
applications.
