Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Abstract
Rechargeable
aqueous
zinc
batteries
(AZIBs)
with
merits
of
high
safety
and
theoretical
capacity
are
regarded
as
next‐generation
energy
storage
devices.
However,
their
practical
application
is
hindered
by
the
instable
Zn
anodes
associated
dendrite
growth,
parasite
corrosion
side
reactions.
Developing
a
stable
solid
electrolyte
interface
crucial
for
improving
cycling
stability
anodes.
Herein,
hydrophobic
constructed
on
anode
through
simple
heptafluorobutyrate
acid
etching
route.
The
containing
organic
C─F,
O─C═O
inorganic
Zn─F
bonds
effectively
address
issues
dendrites
growth
parasitic
Consequently,
symmetric
cells
acid‐treated
Zn‐HA
achieve
prolonged
lifespan
over
2000
h
at
4.0
mA
cm
−2
1100
10.0
.
When
paired
MnO
2
cathode
,
full
deliver
lower
overpotential
outstanding
stability.
This
strategy
provides
feasible
method
to
construct
achieving
performance
AZIBs.
Batteries,
Journal Year:
2024,
Volume and Issue:
10(6), P. 178 - 178
Published: May 24, 2024
Aqueous
zinc
metal
batteries
(AZMBs)
are
considered
a
promising
candidate
for
grid-scale
energy
storage
systems
owing
to
their
high
capacity,
safety
and
low
cost.
However,
Zn
anodes
suffer
from
notorious
dendrite
growth
undesirable
surface
corrosion,
severely
hindering
the
commercialization
of
AZMBs.
Herein,
strategy
engineering
dense
ZnO
coating
layer
on
using
atomic
deposition
(ALD)
technique
is
developed,
aiming
improve
its
long-term
cycling
stability
with
fewer
dendrites.
The
surface-modified
anode
(ZnO@Zn)
exhibits
an
excellent
long-cycling
life
(680
h)
stable
coulombic
efficiency
when
being
used
in
symmetric
cell.
Moreover,
ZnO@Zn
electrode
shows
almost
no
capacity
decay
after
1100
cycles
at
2C
full
cell
MnO2
as
cathode.
conducive
reducing
corrosion
generation
by-products,
thus
increasing
reversibility
Zn2+/Zn
stripping/plating.
Particularly,
density
functional
theory
(DFT)
calculation
results
reveal
that
could
effectively
lower
adsorption
Zn(002)
plane
ZnO@Zn,
inducing
preferential
Zn2+
towards
(002)
crystal
protocol
provides
approach
achieve
dendrite-free
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
Abstract
It
is
commonly
accepted
that
batteries
perform
better
at
low
current
densities
below
the
mass‐transport
limit,
which
restricts
their
rate
and
capacity.
Here,
it
demonstrated
performance
of
Zn
metal
electrodes
can
be
dramatically
enhanced
cut‐off
capacities
exceeding
limit
by
using
pulsed‐current
protocols.
These
protocols
achieve
cumulative
plating/stripping
11.0
Ah
cm
−2
3.8
record‐high
80
160
mA
,
respectively.
The
study
identifies
understands
promoted
(002)‐textured
growth
suppressed
hydrogen
evolution
based
on
thermodynamics
kinetics
competing
reactions.
Furthermore,
over‐limiting
protocol
enables
long‐life
with
high
mass
loading
(29
mg
cathode
)
areal
capacity
(7.9
mAh
),
outperforming
cells
constant‐current
equivalent
energy
time
costs.
work
provides
a
comprehensive
understanding
current‐capacity‐performance
relationship
in
offers
an
effective
strategy
for
dendrite‐free
meet
practical
requirements
rates.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(6), P. 3308 - 3316
Published: Jan. 1, 2024
Diatomite
featuring
compositional
and
structural
advantages
was
employed
for
modifying
zinc
anode.
Uniform
rapid
Zn
2+
transport
is
realized
by
the
gradient
electric
field
of
high-entropy
composition
pore
structure
with
reactive
groups
enables
efficient
desolventization.
Energy Technology,
Journal Year:
2023,
Volume and Issue:
12(2)
Published: Dec. 12, 2023
Aqueous
rechargeable
zinc‐ion
batteries
are
suitable
for
the
demands
of
electrochemical
energy
storage
due
to
their
low
cost,
high
theoretical
capacity,
power
density,
and
safety.
Nevertheless,
anode
surface
with
an
uneven
electrical
field
causes
dispersive
distribution
that
can
form
dendrites
lead
hydrogen
evolution
during
stripping
plating
process,
resulting
in
decreasing
cyclability
a
rapid
capacity
fade.
Consequently,
solve
these
problems,
effective
strategy
zinc
is
promoted
regulate
interaction
generates
on
interface
between
electrolyte
electrode.
In
this
article,
first
challenges
aqueous
discussed
mechanisms
dendrite
growth
reviewed.
Then,
authors
conclude
recent
research
related
modifications
anode,
including
coating,
structural
modification,
alloyed
or
semiliquid
anode.
Finally,
existing
prospects
proposed
provide
guidance
future
development
boost
practical
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Abstract
Rechargeable
aqueous
zinc
batteries
(AZIBs)
with
merits
of
high
safety
and
theoretical
capacity
are
regarded
as
next‐generation
energy
storage
devices.
However,
their
practical
application
is
hindered
by
the
instable
Zn
anodes
associated
dendrite
growth,
parasite
corrosion
side
reactions.
Developing
a
stable
solid
electrolyte
interface
crucial
for
improving
cycling
stability
anodes.
Herein,
hydrophobic
constructed
on
anode
through
simple
heptafluorobutyrate
acid
etching
route.
The
containing
organic
C─F,
O─C═O
inorganic
Zn─F
bonds
effectively
address
issues
dendrites
growth
parasitic
Consequently,
symmetric
cells
acid‐treated
Zn‐HA
achieve
prolonged
lifespan
over
2000
h
at
4.0
mA
cm
−2
1100
10.0
.
When
paired
MnO
2
cathode
,
full
deliver
lower
overpotential
outstanding
stability.
This
strategy
provides
feasible
method
to
construct
achieving
performance
AZIBs.
