Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Lithium
(Li)
and
zinc
(Zn)
metals
are
emerging
as
promising
anode
materials
for
next-generation
rechargeable
metal
batteries
due
to
their
excellent
electronic
conductivity
high
theoretical
capacities.
However,
issues
such
uneven
ion
deposition
uncontrolled
dendrite
growth
result
in
poor
electrochemical
stability,
limited
cycle
life,
rapid
capacity
decay.
Biopolymers,
recognized
abundance,
cost-effectiveness,
biodegradability,
tunable
structures,
adjustable
properties,
offer
a
compelling
solution
these
challenges.
This
review
systematically
comprehensively
examines
biopolymers
protective
mechanisms
Li
Zn
anodes.
It
begins
with
an
overview
of
biopolymers,
detailing
key
types,
properties.
The
then
explores
recent
advancements
the
application
artificial
solid
electrolyte
interphases,
additives,
separators,
solid-state
electrolytes,
emphasizing
how
structural
properties
enhance
protection
improve
performance.
Finally,
perspectives
on
current
challenges
future
research
directions
this
evolving
field
provided.
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
In
this
review,
the
formation
mechanism
of
sodium
dendrite
and
corresponding
battery
failure
causes
are
introduced
in
detail,
latest
advances
sodiophilic
design
strategies
systematically
discussed.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 24, 2024
Abstract
The
uncontrolled
polysulfide
shuttling
and
lithium
dendrite
growth
greatly
impede
the
practical
implementation
of
Li–S
batteries.
These
issues
can
be
alleviated
by
constructing
an
artificial
layer
that
immobilizes
soluble
polysulfides
regulates
Li
+
flux.
Here,
a
layer‐expanded
montmorillonite
is
fabricated
through
molecular
intercalation
to
serve
as
dual
regulator
for
lithiophilic
montmorillonite,
with
its
ordered
expanded
diffusion
channels,
exhibits
high
transference
number,
promotes
homogeneous
deposition.
Additionally,
moderate
adsorption
polysulfides,
combined
favorable
behavior,
enhanced
redox
kinetics
sulfur
species.
This
unique
structure
enables
prolonged
lifespan
1000
cycles
at
0.5C
low
capacity
decay
0.04%
per
cycle
Advanced Sustainable Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
Abstract
Lithium‐sulfur
(Li–S)
batteries
are
hindered
by
issues
such
as
the
polysulfide
shuttle
effect
and
Li
dendrite
formation,
which
leads
to
capacity
degradation.
To
address
these
issues,
a
bio‐strategy
involving
functionalization
of
commercial
separator
with
an
amino
acid‐polymer
system,
leucine‐polyacrylic
acid
(Leu‐PAA),
is
reported
here.
A
simple
soaking
method
used
in
preparing
Leu‐PAA,
effective
viable
for
practical
application.
The
Leu‐PAA
soaked
exhibits
improved
wettability
thermal
stability,
well
enhanced
trapping
regulated
lithium
ion
flux.
As
result,
Li–S
cell
using
achieves
initial
599.9
mAh
g
−1
at
0.5
retains
53.5%
after
500
cycles.
properties
attributed
synergistic
effects
Leu
PAA,
suppress
ensure
uniform
transport,
resulting
electrochemical
performance.
This
work
provides
promising,
bio‐inspired
solution
improving
performance
cycle
life
batteries.