Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Aqueous
zinc‐ion
batteries
are
widely
recognized
as
promising
alternatives
to
lithium
due
their
excellent
safety,
environmental
compatibility,
and
cost‐effectiveness.
Nonetheless,
the
formation
of
dendrites,
corrosion,
undesirable
side
reactions
on
zinc
surface
pose
significant
challenges
cycling
stability
batteries.
In
this
study,
polar
propylene
carbonate
(PC)
is
paired
with
tetrafluoroborate
anions
establish
a
strong
ion‐dipole
interaction.
Strong
interaction
can
not
only
alter
solvation
structure
ions
but
also
facilitate
dynamic
double
electric
layer
electrode,
suppressing
ZnF
2
interface
carbonate,
thereby
facilitating
uniform
ion
deposition,
consequently
improving
battery
over
broad
temperature
range.
Concretely,
formulated
electrolyte
enhances
wide
range
−30
40
°C,
accompanied
by
capacity
retention
≈100%
even
after
10
000
cycles
at
°C.
The
symmetrical
utilizing
exhibits
stable
performance
for
1200
h
25
°C
1900
respectively.
findings
provide
direction
development
long‐cycle
capable
operating
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Aqueous
zinc‐ion
batteries
are
widely
recognized
as
promising
alternatives
to
lithium
due
their
excellent
safety,
environmental
compatibility,
and
cost‐effectiveness.
Nonetheless,
the
formation
of
dendrites,
corrosion,
undesirable
side
reactions
on
zinc
surface
pose
significant
challenges
cycling
stability
batteries.
In
this
study,
polar
propylene
carbonate
(PC)
is
paired
with
tetrafluoroborate
anions
establish
a
strong
ion‐dipole
interaction.
Strong
interaction
can
not
only
alter
solvation
structure
ions
but
also
facilitate
dynamic
double
electric
layer
electrode,
suppressing
ZnF
2
interface
carbonate,
thereby
facilitating
uniform
ion
deposition,
consequently
improving
battery
over
broad
temperature
range.
Concretely,
formulated
electrolyte
enhances
wide
range
−30
40
°C,
accompanied
by
capacity
retention
≈100%
even
after
10
000
cycles
at
°C.
The
symmetrical
utilizing
exhibits
stable
performance
for
1200
h
25
°C
1900
respectively.
findings
provide
direction
development
long‐cycle
capable
operating
