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.
Multivalent-ion
batteries
have
garnered
significant
attention
as
promising
alternatives
to
traditional
lithium-ion
due
their
higher
charge
density
and
potential
for
sustainable
energy
storage
solutions.
Nevertheless,
the
slow
diffusion
of
multivalent
ions
is
primary
issue
with
electrode
materials
multivalent-ion
batteries.
In
this
review,
suitability
MXene-based
applications
explored,
focusing
onions
such
magnesium
(Mg
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(48)
Опубликована: Авг. 27, 2024
Abstract
Interfacial
stress
caused
by
semi‐coherent
and
incoherent
interfaces
during
zinc
(Zn)
plating
its
effect
on
subsequent
Zn
deposition
are
important
considerations
for
designing
electrode/electrolyte
to
improve
the
electrochemical
performance
of
anodes.
Although
some
studies
have
paid
attention
this
issue,
influence
lattice
strain
induced
ion
diffusion
in
interface
coating
is
infrequently
discussed.
Herein,
a
tin‐doped
indium
oxide
(ITO)
interfacial
constructed,
evolution
oxygen
vacancy
(O
V
)
generated
migration
confirmed.
The
formed
O
‐rich
ITO
exhibits
strong
affinity
low
barrier,
accelerating
transport
kinetics.
Meanwhile,
layer
can
appropriately
capture
anions
electrolyte
corrosion
resistance
electrode
through
electrostatic
repulsion
effect.
As
result,
ITO‐decorated
anode
achieves
stable
plating/stripping
more
than
4500
h
delivers
high
average
Coulombic
efficiency
99.6%
after
1400
cycles
at
1.0
mA
cm
−2
.
This
work
provides
new
horizon
rational
construction
achieve
highly
reversible
dendrite‐free
metal
anode.
