Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 24, 2024
Abstract
Aqueous
zinc–iodine
batteries
show
immense
potential
in
the
electrochemical
energy
storage
field
due
to
their
intrinsic
safety
and
cost‐effectiveness.
However,
rampant
dendritic
growth
continuous
side
reactions
on
zinc
anode,
coupled
with
shuttling
phenomenon
of
polyiodides,
severely
affect
cyclic
life.
In
response,
this
study
utilizes
a
carboxyl‐functionalized
metal‐organic
framework
UiO‐66‐(COOH)
2
(UC)
modify
commercial
glass
fiber
(GF)
develop
novel
ionic
selective
separator
(UC/GF).
This
exhibits
cation
exchange
ability
for
Zn
2+
thereby
simultaneously
stabilizing
anode
inhibiting
shuttle
effect
polyiodides.
Enhanced
by
abundant
polar
carboxyl
groups,
UC/GF
can
effectively
facilitate
ion
transport
accelerate
desolvation
hydrated
ions
its
zincophilicity
hydrophilicity,
while
significantly
hindering
transfer
polyiodides
via
electrostatic
repulsion.
Consequently,
Zn|UC/GF|Zn
symmetric
battery
enables
long
lifespan
over
3400
h
at
current
density
5.0
mA
cm
−2
,
Zn|UC/GF|I
an
exceptional
discharge
capacity
103.8
mAh
g
−1
after
35
000
cycles
10
C
decay
rate
only
0.0013%
per
cycle.
modification
strategy
that
synergistically
optimizes
cathode
performance
provides
unique
insights
into
commercialization
batteries.
ACS Nano,
Год журнала:
2024,
Номер
18(33), С. 21779 - 21803
Опубликована: Авг. 12, 2024
Aqueous
zinc-ion
batteries
(AZIBs)
are
widely
regarded
as
desirable
energy
storage
devices
due
to
their
inherent
safety
and
low
cost.
Hydrogel
polymer
electrolytes
(HPEs)
cross-linked
polymers
filled
with
water
zinc
salts.
They
not
only
used
in
flexible
but
also
represent
an
ideal
electrolyte
candidate
for
addressing
the
issues
associated
Zn
anode,
including
dendrite
formation
side
reactions.
In
HPEs,
abundance
of
hydrophilic
groups
can
form
strong
hydrogen
bonds
molecules,
reducing
activity
inhibiting
decomposition.
At
same
time,
special
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Март 4, 2024
Abstract
Electrolytes
play
a
crucial
role
in
facilitating
the
ionic
movement
between
cathode
and
anode,
which
is
essential
for
flow
of
electric
current
during
charging
discharging
process
rechargeable
batteries.
In
particular,
electrolyte
additives
are
considered
as
effective
economical
approaches
into
advancements
battery
technologies
both
conventional
non‐aqueous
burgeoning
aqueous
systems.
Herein,
systematic
comprehensive
review
reported
interfacial
engineering
Li
Zn
metal
anodes
electrolytes,
respectively.
The
types
their
corresponding
functionalities
protection
these
two
discussed
along
with
electrochemical
features
solid
interphase
(SEI)
derived
from
additives.
recent
progress
on
systems
also
addressed
perspectives
electrode,
electrolyte,
associated
SEI.
Finally,
outlook
perspective
issues
future
directions
field
additive
presented
next‐generation
beyond
Li‐ion
ACS Nano,
Год журнала:
2024,
Номер
18(8), С. 6487 - 6499
Опубликована: Фев. 13, 2024
Rechargeable
aqueous
zinc
ion
batteries
(AZIBs)
have
gained
considerable
attention
owing
to
their
low
cost
and
high
safety,
but
dendrite
growth,
plating/stripping
efficiency,
surface
passivation,
self-erosion
of
the
Zn
metal
anode
are
hindering
application.
Herein,
a
one-step
in
situ
molecular
engineering
strategy
for
simultaneous
construction
hierarchical
MoS2
double-layer
nanotubes
(MoS2-DLTs)
with
expanded
layer-spacing,
oxygen
doping,
structural
defects,
an
abundant
1T-phase
is
proposed,
which
designed
as
intercalation-type
"rocking-chair"
AZIBs,
avoiding
issues
therefore
displaying
long
cycling
life.
Benefiting
from
optimization
engineering,
Zn2+
diffusion
efficiency
interface
reaction
kinetics
MoS2-DLTs
enhanced.
When
coupled
homemade
ZnMn2O4
cathode,
assembled
MoS2-DLTs//ZnMn2O4
full
battery
exhibited
impressive
stability
capacity
retention
86.6%
over
10
000
cycles
under
1
A
g–1anode,
outperforming
most
reported
AZIBs.
The
Zn2+/H+
cointercalation
mechanism
investigated
by
synchrotron
powder
X-ray
diffraction
multiple
ex
characterizations.
This
research
demonstrates
feasibility
Zn-storage
anodes
that
can
be
used
construct
reliable
batteries.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 24, 2024
Abstract
Aqueous
zinc–iodine
batteries
show
immense
potential
in
the
electrochemical
energy
storage
field
due
to
their
intrinsic
safety
and
cost‐effectiveness.
However,
rampant
dendritic
growth
continuous
side
reactions
on
zinc
anode,
coupled
with
shuttling
phenomenon
of
polyiodides,
severely
affect
cyclic
life.
In
response,
this
study
utilizes
a
carboxyl‐functionalized
metal‐organic
framework
UiO‐66‐(COOH)
2
(UC)
modify
commercial
glass
fiber
(GF)
develop
novel
ionic
selective
separator
(UC/GF).
This
exhibits
cation
exchange
ability
for
Zn
2+
thereby
simultaneously
stabilizing
anode
inhibiting
shuttle
effect
polyiodides.
Enhanced
by
abundant
polar
carboxyl
groups,
UC/GF
can
effectively
facilitate
ion
transport
accelerate
desolvation
hydrated
ions
its
zincophilicity
hydrophilicity,
while
significantly
hindering
transfer
polyiodides
via
electrostatic
repulsion.
Consequently,
Zn|UC/GF|Zn
symmetric
battery
enables
long
lifespan
over
3400
h
at
current
density
5.0
mA
cm
−2
,
Zn|UC/GF|I
an
exceptional
discharge
capacity
103.8
mAh
g
−1
after
35
000
cycles
10
C
decay
rate
only
0.0013%
per
cycle.
modification
strategy
that
synergistically
optimizes
cathode
performance
provides
unique
insights
into
commercialization
batteries.
