Despite
the
high
safety
and
low
cost
associated
with
aqueous
Zn-ion
batteries
(ZIBs),
uncontrolled
Zn
dendrite
growth
parasitic
reactions
induced
by
water
significantly
diminish
their
stability.
Herein,
a
new
epoxy
functionalized
ionic
liquid,
4-methyl-4-glycidylmorpholin
bis[(trifluoromethyl)sulfonyl]imide
(MGM[TFSI]),
has
been
developed
to
mitigate
reactivity
for
stable
ZIBs.
It
was
found
that
MGM+
cation
disrupts
hydrogen
bond
network
of
water,
hindering
its
adsorption
on
anodes,
thereby
suppressing
decomposition
enhancing
anode
Additionally,
preferential
cations
surface
mitigates
tip
effects,
suppresses
growth,
promotes
formation
ZnF2
solid
electrolyte
interphase
layer,
effectively
isolating
from
bulk
electrolyte.
As
result,
benefiting
well-designed
MGM+-based
electrolyte,
Zn//Zn
cells
achieve
enhanced
cycling
stability,
lasting
over
2000
h
at
1
mA
cm-2
mAh
cm-2.
Furthermore,
Zn//MnO2
full
deliver
remarkable
retaining
approximately
89%
initial
capacity
after
3000
cycles
5
A
g-1.
This
work
proposes
MGM[TFSI]
additive
can
regulate
interfacial
chemistry
anode,
providing
an
opportunity
design
advanced
electrolytes
highly
reversible
ZIBs
beyond.
Aqueous
zinc-ion
batteries
represent
a
favorable
technology
for
stationary
energy
storage
systems
owing
to
their
safety,
reliability,
and
cost-effectiveness.
However,
Zn
anodes
suffer
uncontrollable
dendrite
formation
harmful
side
reactions
that
lead
short
lifespan.
Herein,
we
demonstrate
nanocluster
colloidal
electrolyte
strategy
stabilizing
the
zinc
anodes.
A
copper
(CuNC)
is
screened
out
validate
efficient
suppression
of
messy
dendrites
reactions.
CuNC
could
resurface
zincophilic
protective
interlayer
interfacially
steering
uniform
stripping/plating
mitigating
corrosion/hydrogen
evolution
Impressively,
enables
show
high
Coulombic
efficiency
99.8%
over
2100
cycles
extended
lifespans
2200
1300
h
under
0.5
5
mA
cm–2,
respectively.
full
cell
based
on
modified
exhibits
significantly
improved
cycling
durability
more
than
15
000
cycles.
This
work
will
aid
in
design
nanocluser
electrolytes
with
respect
stable
chemistry
beyond.
Abstract
The
development
of
aqueous
zinc
metal
batteries
(AZMBs)
is
hampered
by
dendrites
and
side
reactions
induced
reactive
H
2
O.
In
this
study,
a
hydrated
eutectic
electrolyte
with
restrictive
water
consisting
trifluoromethanesulfonate
(Zn(OTf)
),
1,3‐propanediol
(PDO),
developed
to
improve
the
stability
anode/electrolyte
interface
in
AZMBs
via
formation
water‐deficient
interface.
Additionally,
PDO
participates
Zn
2+
solvation
structure
inhibits
movement
molecules.
also
preferentially
adsorbs
along
(100)
plane,
thereby
inducing
organic/inorganic
SEI
layer
that
enables
cycle
life
Zn//Zn
symmetric
cell
reach
3000
h
at
1
mA
cm
−2
mAh
.
Further,
interfacial
modulation
improves
cycling
Zn//V
O
5
Zn//VO
cells.
Particularly,
specific
capacity
1.7
times
2M
Zn(OTf)
electrolyte,
retention
93%
after
100
cycles
0.5
A
g
−1
This
study
provides
new
perspective
on
modification
strategies
for
AZMBs,
highlighting
potential
PDO‐8
developing
energy
storage
devices
excellent
stability.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 18, 2025
Abstract
Zinc
anode
suffers
from
tough
issues
such
as
dendrite,
corrosion,
and
hydrogen
evolution,
which
lead
to
premature
battery
failure
thus
restrict
the
practical
application
of
aqueous
zinc‐metal
batteries
(ZMABs).
Herein,
a
polydentate‐ligand
tactic
is
introduced
reconstruct
solvation
structure,
improve
corrosion
resistance,
trigger
selective
dendrite‐free
deposition
via
β‐Alanyl‐L‐histidine
(AH).
With
abundant
amino,
amide,
carboxyl,
imidazolyl
groups,
AH
shows
chelation
effect,
partially
substitutes
solvated
SO
4
2−
enters
Zn
2+
sheath
facilitate
desolvation.
Those
groups
also
increase
strong
H‐bond
proportion
electrolyte,
stabilizing
water
suppressing
evolution
reactions.
Moreover,
with
multisite
coordination,
preferentially
adsorbs
on
Zn(002)
induce
stable
functional
C,
N,
O,
S‐rich
solid‐electrolyte
interphase
zincophilic
hydrophobic
properties.
It
homogenizes
both
electric
field
concentration
guides
preferential
growth
along
(002),
realizing
anode.
As
result,
obtained
electrolyte
exhibits
high
CE
99.28%,
extended
stability
over
6000
h,
long
lifespan
1000
cycles
for
Zn//MnO
2
batteries.
This
work
offers
novel
design
strategy
additive
toward
stabilization
anodes
ZMABs.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 15, 2025
There
is
a
key
missing
point
in
the
research
field
of
zinc
metal
batteries
(ZMBs);
that
is,
no
one
pays
attention
to
crystal
growth
byproducts.
In
this
paper,
from
perspective
crystallography,
method
disturbing
corrosion
byproducts
proposed
improve
serious
water-related
ZMBs.
consideration
thermodynamics
and
dynamics
crystallization,
inhibitor
(CI)
molecules
are
introduced
envelop
active
sites
byproduct
crystals
increase
surface
free
energy
change
(ΔGs),
thus
leading
positive
(ΔG)
unfavorable
for
formation
growth.
Therefore,
expansion
lattice
(that
growth)
impeded,
resulting
distortion
inhibition
structure,
which
have
been
comprehensively
validated
through
density
functional
theory
(DFT)
calculations
situ
X-ray
diffraction
(XRD)
measurements.
Extensive
also
conducted
on
various
CI
compounds
with
an
adjusted
number
phosphate
groups
carbon
chain
length.
This
work
innovatively
focuses
inhibiting
crystallization
process
byproducts,
great
significance
study
corrosion,
showcasing
significant
potential
enhancing
longevity
aqueous
batteries.
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 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.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
have
garnered
significant
attention
as
promising
alternatives
to
lithium‐ion
batteries,
offering
advantages
such
high
safety,
cost‐effectiveness,
and
environmental
friendliness.
Despite
their
potential,
achieving
energy
density
(ED)
remains
a
key
challenge
for
AZIBs
compete
with
state‐of‐the‐art
storage
technologies.
This
review
explores
the
fundamental
principles,
challenges,
recent
advances
in
focus
on
enhancing
ED.
Key
developments
cathode
materials,
including
high‐voltage
high‐capacity
designs,
are
discussed
alongside
innovations
zinc
anode
engineering
suppress
dendrite
formation
improve
utilization
rates.
Advances
ultrathin
separator
technologies
lean
electrolyte
configurations
also
highlighted,
showcasing
contributions
improving
volumetric
gravimetric
EDs.
Additionally,
identifies
strategies
address
practical
challenges
scaling
up
industrial
applications.
By
integrating
breakthroughs
electrolytes,
battery
design
techniques,
hold
promise
next‐generation
solutions
grid‐scale
systems.
Moreover,
perspective
future
directions
is
proposed,
emphasizing
need
interdisciplinary
collaboration
overcome
remaining
barriers
realize
full
potential
of
AZIBs.
