ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(43), С. 16012 - 16020
Опубликована: Окт. 18, 2024
As
a
high-capacity
and
cost-effective
anode,
zinc
metal
is
garnering
significant
attention
for
aqueous
energy
storage
systems.
However,
it
suffers
from
serious
issues,
such
as
undesirable
side
reactions,
polyiodide
shuttle,
uncontrolled
Zn
dendrite
growth.
Herein,
an
innovative
solution
proposed
by
constructing
hybrid
artificial
interfacial
layer
on
anode
surfaces
to
protect
anodes.
Benefiting
the
compact
structure
negatively
charged
ionic
channels,
as-obtained
protective
can
not
only
promote
nucleation
accelerate
ion
migration,
thereby
resulting
in
remarkable
dendrite-free
highly
reversible
anodes,
but
also
serves
armor
suppress
reactions
avoiding
corrosion
of
Consequently,
both
assembled
symmetric
cells
deliver
prolonged
cycle
life.
The
work
offers
promising
avenue
achieving
ultrastable
anodes
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
are
considered
one
of
the
most
promising
next‐generation
energy
storage
devices
due
to
cost‐effectiveness
and
high
safety.
However,
uncontrolled
dendrite
growth
intolerance
against
low
temperatures
hinder
application
AZIBs.
Herein,
hydrogen‐bonding‐rich
dulcitol
(DOL)
is
introduced
into
ZnSO
4
,
which
reshaped
hydrogen‐bond
network
in
electrolyte
optimized
solvation
sheath
structure,
effectively
reducing
amount
active
water
molecules
inhibiting
hydrogen
evolution
parasitic
reaction
at
zinc
anode.
In
addition,
higher
adsorption
DOL
preferentially
adsorbs
on
surface
anode,
guiding
uniform
deposition
Zn
2+
formation
dendrites.
also
enhances
interaction
between
free
improves
resistance
freeze
electrolyte.
Consequently,
Zn//Zn
symmetric
cells
assembled
with
extremely
stable
cycled
for
2000
h
2
mA
cm
−2
.
The
NH
V
O
10
(NVO)//Zn
full
cell
showed
more
excellent
specific
capacity
183.07
mAh
g
−1
after
800
cycles.
Even
temperature
−10
°C,
still
maintains
155.95
600
This
work
provides
a
new
strategy
subsequent
study
AZIBs
stability
temperatures.
Langmuir,
Год журнала:
2024,
Номер
40(47), С. 25143 - 25153
Опубликована: Ноя. 13, 2024
Constructing
an
artificial
solid
electrolyte
interface
protective
layer
on
the
surface
of
zinc
anode
is
effective
strategy
for
addressing
dendrite
growth,
passivation,
and
hydrogen
evolution
reaction
in
aqueous
zinc-ion
batteries.
This
study
introduces
a
robust
interlayer
composed
polyvinyl
butyral
matrix
decorated
with
SiO
Developing
a
functional
separator
is
an
important
strategy
to
improve
the
electrochemical
performance
of
Zn
anode
by
suppressing
dendrite
growth
and
parasitic
side
reactions,
thus
advancing
aqueous
zinc-ion
batteries.
Herein,
we
experimentally
realize
with
gradient-structure
based
on
CeF3
nanoparticles
functionalized
glass
fibers.
The
experimental
theoretical
results
confirmed
that
can
tailor
Zn2+
flux
restrain
SO42-
transport,
promoting
dense
deposition.
strong
interaction
between
H2O
separates
at
electrolyte/Zn
interface,
reactions.
Consequently,
Zn||Zn
this
achieves
excellent
cycling
stability
2500
h
1
mA
cm-2
mAh
1000
5
cm-2.
This
design
provides
distinctive
solution
for
development
