The
irreversible
chemistry
of
the
Zn
anode,
attributed
to
parasitic
reactions
and
growth
zinc
dendrites,
is
bottleneck
in
commercialization
aqueous
zinc-ion
batteries.
Herein,
an
efficient
strategy
via
constructing
organic
protective
layer
configured
with
a
honeycomb-like
globular-covalent
framework
(G-COF)
was
constructed
enhance
interfacial
stability
anodes.
Theoretical
analyses
disclose
that
methoxy
imine
groups
G-COF
have
more
negative
adsorption
energy
electrostatic
potential
distribution,
favorable
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(31), P. 20229 - 20237
Published: Jan. 1, 2024
Sucralose
is
proposed
as
a
functional
electrolyte
additive
to
regulate
the
solvation
structure
of
Zn
2+
near
interface
electrode/electrolyte
for
inhibiting
dendrite
formation
and
facilitating
uniform
metal
plating.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 13, 2024
Abstract
Zinc
(Zn)
emerges
as
an
ideal
anode
for
aqueous‐based
energy
storage
devices
because
of
its
safety,
non‐toxicity,
and
cost‐effectiveness.
However,
the
reversibility
zinc
anodes
is
constrained
by
unchecked
dendrite
proliferation
parasitic
side
reactions.
To
minimize
these
adverse
effects,
a
highly
oriented,
crystalline
2D
porous
fluorinated
covalent
organic
framework
(denoted
TpBD‐2F)
thin
film
in
situ
synthesized
on
Zn
protective
layer.
The
zincophilic
hydrophobic
TpBD‐2F
provides
numerous
1D
nanochannels,
which
facilitate
hopping/transfer
2+
repel
H
2
O
infiltration,
thus
regulating
flux
inhibiting
interfacial
corrosion.
resulting
enabled
stable
plating/stripping
symmetric
cells
over
1200
h
at
mA
cm
−2
.
Furthermore,
assembled
full
(Zn‐ion
capacitors)
deliver
ultra‐long
cycling
life
100
000
cycles
current
density
5
A
g
−1
,
outperforming
nearly
all
reported
materials.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Highly
stable
aqueous
Zn-ion
batteries
are
of
great
importance
for
commercial
applications.
The
challenging
issues
interfacial
side
reactions
and
rampant
dendrite
growth
cause
short
circuit
premature
failure
batteries.
Herein,
a
hydrated
deep
eutectic
electrolyte
is
formulated
to
tackle
such
problems,
which
adopts
1,3-propanediol
as
cosolvent.
1,3-Propanediol
molecules
can
enter
into
the
Zn
Rampant
dendrite
growth
and
severe
parasitic
reactions
at
the
electrode/electrolyte
interface
significantly
limit
cycle
life
of
aqueous
zinc
ion
hybrid
supercapacitors
(ZHSCs).
In
this
study,
sodium
lignosulfonate
(SLS)
as
one
green
polymer
was
introduced
into
ZnSO4
electrolyte
to
construct
a
multifunctional
layer
on
surface
Zn
plates.
Experimental
analyses
theoretical
calculations
show
that
presence
SLS
layer,
rich
in
oxygen-containing
functional
groups
(-SO3-),
can
not
only
modulate
structure
electric
double
(EDL)
suppress
interfacial
side
caused
by
free
H2O
SO42-,
but
also
promote
(101)-oriented
deposition
selectively
controlling
behavior
Zn2+
through
specific
adsorption
different
crystalline
surfaces.
The
optimized
allows
stable
Zn//Zn
symmetric
cells
achieve
cumulative
plating
capacity
exceeding
4
Ah
cm-2
high
areal
5
mAh
cm-2,
cycling
for
more
than
1000
cycles
with
an
excellent
average
Coulombic
efficiency
99.34%
Zn//Cu
asymmetric
cells.
Zn//AC
ZHSC
exhibits
ultralong
stability
over
40,000
electrolyte,
decay
rate
low
0.000285%
per
cycle.
Rechargeable
aqueous
Zn-ion
batteries
(AZIBs)
have
been
recognized
as
competitive
devices
for
large-scale
energy
storage
due
to
their
characteristics
of
low
cost,
safe
operation,
and
environmental
friendliness.
Nevertheless,
practical
applications
are
greatly
limited
by
zinc
dendrite
growth
side
reactions
occurring
at
the
anode/electrolyte
interface.
Herein,
we
propose
an
effective
simple
electrolyte
engineering
strategy,
which
is
introduction
l-lysine
additive
containing
two
amino
groups
one
carboxyl
group
into
a
ZnSO
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 23, 2025
Metallic
Zn
is
a
promising
anode
for
high-safety,
low-cost,
and
large-scale
energy
storage
systems.
However,
it
strongly
hindered
by
unstable
electrode/electrolyte
interface
issues,
including
zinc
dendrite,
corrosion,
passivation,
hydrogen
evolution
reactions.
In
this
work,
an
in
situ
protection
strategy
established
turning
the
corrosion/passivation
byproducts
(zinc
hydroxide
sulfates,
ZHSs)
into
stable
hybrid
layer.
The
hydrolysis
of
diglycolamine
buffer
layer
on
provides
homogeneous
basic
electrolyte
environment
generation
small-sized
ZHS,
thereby
leading
to
formation
ZHS-based
Benefiting
from
layer,
uniform
ion
flux
high
anticorrosion
ability
can
be
achieved.
As
result,
decorated
symmetric
cell
presents
long
cycling
lifespan
over
1500
h
at
current
density
1
mA
cm-2
area
capacity
mAh
cm-2.
It
also
contributes
appealing
rate
performance
Zn|NH4V4O10
full
cells.
This
work
insight
regulating
reusing
interfacial
high-performance
metal
batteries.
