Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
Abstract
The
success
of
achieving
scale‐up
deployment
zinc
ion
batteries
is
to
selectively
regulate
the
rapid
and
dendrite‐free
growth
anodes.
Herein,
this
proposed
that
a
creative
design
strategy
constructing
multi‐functional
separators
(MFS)
stabilize
By
in
situ
decorating
metal‐organic‐framework
coating
on
commercial
glass
fiber,
upgraded
separator
remarkable
benefit
for
strong
anion
(SO
4
2−
)
anchoring,
uniform
flux
across
interface,
boosted
Zn
2+
desolvation.
Such
feature
promotes
transportation
efficiency,
which
enables
high
transference
number
0.81,
enhanced
ionic
conductivity,
superb
exchange
current
density
12.80
mA
cm
−2
.
Consequently,
anode
can
be
operated
stably
with
an
ultra‐long
service
lifetime
over
4800
h
symmetric
cells
improved
cycling
endurance
full
batteries.
This
work
paves
attractive
pathway
regulated
selectivity
toward
high‐energy
metal
beyond
chemistry.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Abstract
Aqueous
zinc‐iodine
batteries
(AZIBs)
hold
great
promise
for
large‐scale
energy
storage
due
to
their
inherent
safety,
cost‐effectiveness,
and
environmental
sustainability.
However,
practical
application
is
hindered
by
the
sluggish
redox
kinetics
of
iodine
species
“shuttle
effect”
polyiodides,
both
which
degrade
cycling
stability
capacity
retention.
Herein,
a
“polar‐nonpolar
strategy”
proposed
first
time,
couples
nonpolar
porous
carbon
(PC)
as
host
with
highly
polar
zinc
oxide
(ZnO)
separator
modification
materials.
Specifically,
PC
leverages
its
structure
properties
accommodate
immobilize
iodine,
simultaneously
enhancing
conductivity
cathode.
Meanwhile,
ZnO
on
accelerates
electron
transfer
polyiodides
through
strong
adsorption
catalytic
effects,
improving
reversible
transformation
species.
UV–visible
spectroscopy
electrochemical
kinetic
analyses
confirm
rapid
effective
polyiodide
inhibition
in
this
system.
As
result,
prepared
PC‐I
2
//ZnO@GF
battery
demonstrates
high‐rate
excellent
long‐term
stability,
surpassing
performance
other
recently
reported
AZIBs.
This
polar‐nonpolar
strategy
establishes
novel
design
rationale
developing
future
high‐performance
batteries.
International Journal of Energy Research,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Aqueous
Zn
ion
batteries
(AZIBs)
are
increasing
in
interest
as
next‐generation
rechargeable
due
to
the
nonflammability
of
aqueous
electrolyte,
high
theoretical
capacity
(820
mA
h
g
−1
)
anode,
and
their
price
competitiveness.
However,
cycle
life
characteristics
significantly
lower
than
those
current
lithium‐ion
(LIBs)
low
caused
by
dendrite
formation
on
anode
decreased
problem
structure
collapse
from
cathode.
In
this
work,
we
utilized
internal
phase
emulsion
(HIPE)
KOH‐derived
ring
cleavage
reaction
techniques
construct
a
hydrophilic
polyimide‐based
separator
(HPI)
with
enhanced
wettability
transfer
properties.
Comparing
HPI
glass
fiber
(GF)
separator,
which
is
widely
used
AZIBs,
was
increased
150
350
at
1
cm
−2
density.
Additionally,
full
cell
using
NaV
3
O
8
cathode
achieved
specific
162.2
after
1,000
cycles
density
0.5
A
.
This
higher
89.8
obtained
when
GF
2
,
194.8
much
greater
103.4
separator.
The
developed
study
will
probably
have
crucial
role
developing
AZIBs.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(28), P. 36304 - 36314
Published: June 27, 2024
Zn/alkali
metal
dual-ion
batteries
(ZM
DIBs)
with
highly
concentrated
water-in-salt
(WiS)
electrolytes
are
promising
next-generation
energy
storage
systems.
This
enhanced
design
of
Zn-ion
rechargeable
offers
intrinsic
safety,
high
operating
voltage,
satisfactory
capacity,
and
outstanding
cyclic
stability.
Herein,
taking
the
concept
one
step
further,
we
introduce
gel
biopolymer
(WiS-GBEs)
by
encapsulating
Zn/Li
or
Zn/Na
bisalt
compositions
in
a
cellulose
membrane.
WiS-GBEs
inherit
electrochemical
merits
(i.e.,
wide
voltage
window,
ionic
conductivity,
etc.)
excellent
durability
structures.
Both
types
apply
to
coin-
pouch-cell
compartments
ZM
DIBs,
offering
plateau
(>1.8
V
vs.
Zn2+/Zn),
good
reversible
capacity
(118
57
mAh
g–1
for
cells,
respectively),
cycling
stability
(more
than
90%
after
1,000
cycles).
Essentially,
pouch
cells
present
superior
durability,
flexibility,
endurance
under
various
bending
stress
conditions
(90%
retention
0–180°
modes),
indicating
their
potential
capability
power
wearable
electronics.
The
practical
powering
ability
Li-
Na-based
systems
is
demonstrated
example
digital
timer.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
137(1)
Published: Aug. 16, 2024
Abstract
Zinc–iodine
(Zn−I
2
)
batteries
are
gaining
popularity
due
to
cost‐effectiveness
and
ease
of
manufacturing.
However,
challenges
like
polyiodide
shuttle
effect
Zn
dendrite
growth
hinder
their
practical
application.
Here,
we
report
a
cation
exchange
membrane
simultaneously
prevent
the
regulate
2+
deposition.
Comprised
rigid
polymers,
this
shows
superior
swelling
resistance
ion
selectivity
compared
commercial
Nafion.
The
resulting
Zn−I
battery
exhibits
high
Coulombic
efficiency
99.4
%
low
self‐discharge
rate
4.47
after
48
h
rest.
By
directing
uniform
flux,
promotes
homogeneous
electric
field,
in
dendrite‐free
surface.
Moreover,
its
microporous
structure
enables
pre‐adsorption
additional
active
materials
prior
assembly,
boosting
capacity
287
mAh
g
−1
at
0.1
A
.
At
,
steady
running
for
10,000
cycles
with
retention
up
96.1
%,
demonstrating
durability
membrane.
practicality
is
validated
via
high‐loading
(35
mg
cm
−2
pouch
cell
impressive
cycling
stability,
paving
way
design
towards
advanced
batteries.
