ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 7, 2025
Aqueous
zinc-ion
batteries
have
attracted
intensive
attention
because
of
their
safety,
low
cost,
and
high
theoretical
capacity;
however,
practical
application
is
hindered
by
challenges,
such
as
Zn
dendrite
formation,
the
hydrogen
evolution
reaction,
a
limited
cycle
life.
Herein,
zinc
anode
interface
prepared
combining
sodium
alginate
(SA)
with
hydroxyl
carboxyl
groups
binder
zeolite
imidazole
framework
(ZIF-7)
ion
transport
channel.
The
in
SA
exhibit
strong
Zn2+-ion
affinity,
forming
cross-linked
structure
ZIF-7
creating
self-reinforcing
coating
that
promotes
uniform
Zn2+
flux
while
provides
suitable
ionic
channels
to
enable
oriented
deposition.
A
ZIF-7/SA
coated
(ZIF-7/SA@Zn)
exhibited
Coulombic
efficiency
99.7%
after
1500
cycles
at
10
mA
cm-2
1
h
cm-2.
Even
under
high-current
high-capacity
conditions
(20
cm-2,
20
cm-2),
ZIF-7/SA@Zn
maintained
stable
cycling
for
500
h.
When
was
paired
Zn0.25V2O5
cathode,
resultant
full
cell
retained
more
than
77.2%
its
capacity
10,000
3000
g-1.
This
work
proposes
strategy
stabilize
anodes
currents,
advancing
high-performance
Zn-based
energy
storage
systems.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
liquid-infiltrated
Al
2
O
3
framework
electrolyte
(LIAFE)
addresses
zinc
dendrite
growth
and
side
reactions,
enabling
stable
anodes
with
over
4000
hours
of
cycling,
significantly
enhancing
the
performance
aqueous
zinc-ion
batteries.