Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
The
industrial
development
of
Zn‐ion
batteries
requires
high
performance
even
with
lean‐electrolyte.
Nevertheless,
lean‐electrolyte
can
exacerbate
concentration
polarization
at
the
interface
electrode/electrolyte,
leading
to
significant
Zn
corrosion
and
battery
failure.
Here,
a
stable
ion‐rich
protective
layer
(TMAO‐Zn)
is
constructed
by
unique
zwitterion
structure
trimethylamine
N‐oxide
(TMAO).
TMAO
characterized
direct
connection
between
positive
negative
charges
(N
+
‐O
−
)
minimal
dipole
moment,
which
renders
weak
interactions
form
TMAO‐Zn
2+
,
thereby
reducing
promoting
rapid
uniform
deposition
.
Furthermore,
O
exhibits
higher
electrophilic
index,
indicating
stronger
propensity
for
hydrogen
bond
active
free
water
in
inner
Helmholtz
(IHL),
mitigating
under
extreme
conditions
low
electrolyte‐to‐capacity
ratio
(E/C
ratio).
Consequently,
symmetrical
enables
cycling
over
250
h
15
µL
mA
−1
Additionally,
Zn/I₂
pouch
E/C
21.2
provides
ultra‐high
specific
capacity
96
cycles
(capacity
retention
rate
98.3%).
This
study
offers
new
concept
propel
practical
application
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Abstract
Aqueous
zinc
metal
batteries
(AZMBs)
have
attracted
increasing
attention
due
to
their
low
cost
and
high
energy
density.
However,
practical
applications
are
constrained
by
Zn
dendritic
growth,
self‐corrosion,
poor
low‐temperature
adaptability.
Herein,
a
multi‐component
hydrogel
electrolyte
is
proposed
address
these
challenges.
Specifically,
dimethyl
sulfoxide
added
substitute
H
2
O
in
the
2+
solvation
sheath
disrupt
intrinsic
H─bond
network,
suppressing
interfacial
parasitic
reactions
induced
active
water
achieving
ultra‐low
freezing
point
(−60
°C);
while
acylamino
groups
on
polyacrylamide
chains
utilized
coordinate
with
SO
4
2−
,
leading
homogeneous
flux
reduced
by‐products
accumulation.
Benefitting
from
synergistic
effects,
stable
plating/stripping
average
Coulombic
efficiency
of
99.5%
for
1200
h
at
0.5
mA
cm
−2
achieved.
To
manifest
superiority
electrolyte,
free‐standing
α‐MnO
/single‐walled
carbon
nanotube
film
designed
as
cathode.
The
resulting
AZMB
exhibits
large
specific
capacity,
prominent
rate
capability
(157.5
mAh
g
−1
10
C),
cyclic
stability,
good
performance
(68.8%
capacity
retention
−20
°C),
which
also
demonstrates
excellent
safety
under
extreme
conditions
hammering,
cutting,
burning,
punching,
soaking.
This
work
provides
an
inspired
strategy
build
robust,
multi‐functional,
inexpensive
aqueous
batteries.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
By
introducing
TMPEI,
a
stable
solid
electrolyte
interface
layer
is
formed
on
the
zinc
anode
surface,
effectively
enhancing
cycling
stability
and
long-term
performance
of
anode.
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.
Aqueous
zinc-ion
batteries
(AZIBs)
are
extensively
investigated
as
lithium
battery
alternatives
because
of
their
high
energy
density,
low
redox
potential,
and
enhanced
safety.
However,
zinc
dendrite
formation
severe
side
reactions
impede
practical
application.
A
polymer-functionalized
interlayer
(PVDF-CTFE/MCA-HOFs)
prepared
from
melamine
cyanurate
hydrogen-bonded
organic
framework
particles
(MCA-HOFs)
poly(vinylidene
fluoride)-trichloroethylene
(PVDF-CTFE
is
presented.
Not
only
do
they
play
a
role
in
enhancing
the
desolation
effect
battery,
but
uniformly
dispersed
also
form
uniform
electric
field
on
surface
to
guide
transport
ions.
The
results
demonstrate
that
PVDF-CTFE/MCA-HOFs
has
ionic
conductivity
(1.90
S
m-1),
nucleation
overpotential
(69.45
mV),
elevated
mobility
(0.65),
achieving
stable
cycling
for
950
h
at
2.5
mA
cm-2.
Compared
with
single
GF
separator,
it
reduces
overpotential,
accelerates
kinetics,
effectively
inhibits
growth
dendrites.
Furthermore,
full
incorporating
exhibit
peak
specific
capacity
274.9
mAh
g-1
3
g-1,
retaining
120.0
after
4000
cycles,
contrasting
rapid
decline
below
70.0
3000
cycles
alone.
This
innovation
significantly
enhances
charge/discharge
longevity.
Materials,
Journal Year:
2025,
Volume and Issue:
18(8), P. 1868 - 1868
Published: April 18, 2025
Rechargeable
metal
chloride
batteries,
with
their
high
discharge
voltage
and
specific
capacity,
are
promising
for
next-generation
sustainable
energy
storage.
However,
sluggish
solid-to-gas
conversion
kinetics
between
solid
chlorides
gaseous
Cl2
cause
unsatisfactory
rate
capability
limited
cycle
life,
hindering
further
applications.
Here
we
present
a
rechargeable
aluminum-chlorine
(Al-Cl2)
battery
that
relies
on
confined
chlorine
chemistry
in
molten
salt
electrolyte,
exhibiting
ultrahigh
excellent
cycling
stability.
Both
experimental
analysis
theoretical
calculations
reveal
reversible
solution-to-gas
reaction
AlCl4-
the
cathode.
The
designed
nitrogen-doped
porous
carbon
cathode
enhances
adsorption,
thereby
improving
lifespan
coulombic
efficiency
of
battery.
resulting
Al-Cl2
demonstrates
plateau
1.95
V,
remarkable
without
capacity
decay
at
different
rates
from
5
to
50
A
g-1,
good
stability
over
1200
cycles
10
g-1.
Additionally,
implemented
nanofiber
membrane
anode
side
mitigate
dendrite
growth,
which
extends
life
3000
an
30
This
work
provides
new
perspective
advancement
high-rate
batteries.
