Abstract
Zinc
air
battery
(ZAB)
provides
a
low‐cost
and
high‐energy
density
power
source,
particularly
in
wearable
portable
devices.
Despite
the
extensive
research
on
cathode
catalysts,
their
practical
application
is
hindered
by
low
zinc
utilization
rate
severe
corrosion
passivation
liquid‐based
alkaline
electrolytes.
Herein,
double‐layer
gel
(DLKgel)
developed
leveraging
distinct
kosmotropic
properties
of
ZnCl
2
ZnSO
4
.
Through
phase
separation
induced
differentiation
(instead
membrane
decoupled
systems),
this
DLKgel
electrolyte
serves
dual
purpose
shielding
from
irreversible
reaction
products
protecting
Zn
anode
passivation.
Neutral
ZABs
with
demonstrate
high
89.3%
stable
cycling
over
800
h
under
current
0.1
mA
cm
−2
The
integration
DLKgel‐based
into
flexible
GPS
tracking
device
demonstrated,
highlighting
potential
for
broad
adoption
logistics
applications.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 25, 2024
Zinc
dendrite,
active
iodine
dissolution,
and
polyiodide
shuttle
caused
by
the
strong
interaction
between
liquid
electrolyte
solid
electrode
are
chief
culprits
for
capacity
attenuation
of
aqueous
zinc-iodine
batteries
(ZIBs).
Herein,
mullite
is
adopted
as
raw
material
to
prepare
Zn-based
solid-state
(Zn-ML)
ZIBs
through
zinc
ion
exchange
strategy.
Owing
merits
low
electronic
conductivity,
diffusion
energy
barrier,
adsorption
capability,
Zn-ML
can
effectively
isolate
redox
reactions
anode
AC@I
Energy & Environmental Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
high-entropy
TiVNbMoC
3
MXene,
with
its
atom-dominated
relay
catalysis
effect
and
resilient
lattice
configuration,
promotes
a
cascade
of
sulfur
conversions
guides
uniform
Li
+
deposition,
enabling
shuttle-free
dendrite-free
Li–S
batteries.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(31), С. 20229 - 20237
Опубликована: Янв. 1, 2024
Sucralose
is
proposed
as
a
functional
electrolyte
additive
to
regulate
the
solvation
structure
of
Zn
2+
near
interface
electrode/electrolyte
for
inhibiting
dendrite
formation
and
facilitating
uniform
metal
plating.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
Aqueous
Zn
batteries
have
garnered
a
great
deal
of
attention
owing
to
environmental
benefits,
intrinsic
safety,
and
cost‐effectiveness.
However,
the
commercial
viability
these
is
hindered
by
anode
issues,
including
dendrite
formation
side
reactions.
Herein,
authors
modulate
deposition
behavior
2+
ions
through
3D
ZIF‐8@MXene
(Z@M)
composite
coating.
The
Z@M
coating
can
effectively
reduce
contact
area
with
electrolyte,
inhibiting
hydrogen
evolution
reaction
corrosion.
Notably,
theoretical
calculations
in
situ
experimental
observations
reveal
that
dual
coordination
mechanism
MXene
ZIF‐8
significantly
improves
adsorption
energy
atoms.
This
improved
capacity
capture
will
promote
desolvation
hydrated
ions,
resulting
dendrite‐free
process.
Therefore,
symmetry
cell,
Z@M‐Zn
demonstrates
an
impressive
cycle
life
1050
h
at
1
mA
cm
−2
.
When
applies
aqueous
Zn‐I
2
battery,
remarkable
lifespan
over
2400
cycles
5
C.
work
provides
straightforward
approach
designing
reversible
anode,
offering
promising
potential
for
broader
applications
across
various
metal‐based
systems.
